"I served on the AGC because I enjoyed working with a group of individuals whom I might not otherwise know but with whom I share a common bond and a real purpose for preserving the spirit of Potomac, connecting alumni to the school, and giving back to a school that shaped me into who I am today."

Ann Renzy Maclean '86

Meet the Alumni Governing Council

George Barsness '06

Sameer Bhargava.jpg

George grew up with his brother, Zach '11, in Alexandria, VA, and was a lifer at Potomac. He attended Washington and Lee University, where he majored in business administration. George started his professional career as an investment banker first in M&T's Investment Banking Group and then in Houlihan Lokey's Aerospace & Defense Group. He subsequently was employed at The Carlyle Group, where he worked with the co-chief executive officers and co-chief investment officers on all aspects of the business, including investing, fundraising, and corporate strategy initiatives. He is currently attending Harvard Business School and living in Cambridge, MA, with his wife, Alden.

Hamilton Brooks '18


Hamilton grew up with his brother, Cornel '15, in Woodbridge, VA, and has attended Potomac since 5th grade. Hamilton has been a member of the student government for four years, serving in the highest position available for each grade, and he currently serves as Potomac's student body president. Hamilton has a deep passion for politics, and he is a member of the Global Perspectives and Citizenship (GPAC) concentration and the Model Congress club. Hamilton is also passionate about social and civic activism and is a part of Potomac's X-Alliance and Black Student Alliance. These interests inspired him to pursue summer jobs at both the National Association for the Advancement of Colored People (NAACP) and the Religious Action Center for Reform Judaism (RAC), working on issues ranging from voter registration to immigration. At Potomac, Hamilton is also a devoted scholar-athlete, having participated in cross country and track and field for eight seasons.

Rory Byrnes '01


Rory is the principal and owner of Vici Investments, a local DC-area real estate development company that he started in 2015. Before forming his own company, Rory spent three years as a development manager at CAS Riegler, where he focused on urban redevelopment. Rory earned his M.B.A. from UNC's Kenan-Flagler Business School in 2012.

Previously, he worked in commercial real estate for Lincoln Property Company and at Cassidy & Pinkard in leasing, investment sales, and property management roles. Rory earned a B.A. in history from the University of Pennsylvania, where he was also a member of the football team and the Delta Kappa Epsilon Fraternity. He grew up in McLean and was a Potomac lifer with his two older brothers, Carter '95 and Spencer '98. Rory has been a member of the Potomac AGC since 2013 and now lives in Washington, DC, with his wife, Alexandra.

Leonard "Skip" Calvert IV '01


Skip grew up in Alexandria, VA, and attended Potomac beginning in the first grade. He graduated from Vanderbilt University, where he majored in English and history, joined the Sigma Alpha Epsilon fraternity, and completed four years of Naval Reserve Officer Training Corps. Upon graduation in 2005, he was commissioned as an officer in the United States Navy and was selected for the naval aviation jet training program, receiving his “Wings of Gold” and designation as a naval aviator in 2007.

Over the next eight years, Skip would fly the F/A-18E/F Super Hornet off the aircraft carrier USS ENTERPRISE, leading missions in support of combat operations in Afghanistan and Iraq and as an instructor pilot training newly winged F/A-18 pilots for combat. He finished his career as a department head, managing the personnel and operations of the Navy’s largest aviation squadron, and rose to the rank of lieutenant commander. In 2016, Skip left active duty, moved back to his hometown of Alexandria, and transitioned to the Naval Reserves flying C-130s out of Andrews Air Force Base, MD. He currently works for Alexandria's very own fast-casual burger restaurant chain Five Guys Enterprises LLC as a regional construction manager, overseeing all corporate and franchisee construction and development projects in the central U.S.

Caroline Dalton '03


Caroline grew up in Washington, DC, and graduated from Potomac as a proud lifer (Go Red!). She went on to study art history at Tulane University and at The American University of Paris during her junior year abroad. After college, Caroline returned home to DC, where she started a career in retail and was the co-owner of Dalton Pratt, a high-end women’s personal accessories and home furnishings boutique. She is currently a member of the Abrams Finnell Group at TTR Sotheby’s International Realty and lives in the Logan Circle neighborhood of Washington, DC.

Tristan Dellar '10


Tristan was a lifer at Potomac, where he played on both the football and lacrosse teams. He was also active in the arts world, as a member of chorus, the Madrigals, a cappella, and the winter musical. After Potomac, Tristan enrolled at the University of Virginia and graduated in 2015 with a bachelor's degree in history. After graduation, he moved back to Falls Church, VA, and is active in coaching youth lacrosse in the area.

Delara Derakhshani '04


Delara attended Potomac for high school and subsequently graduated from the University of Virginia, where she majored in cognitive science with a concentration in neuroscience and worked in the program’s research lab conducting experiments involving virtual reality. In 2011, Delara received a J.D. certificate in telecommunications from The Catholic University of America's Columbus School of Law. After law school, Delara worked in the DC Government Affairs office of T-Mobile, followed by the DC office of Consumers Union, the advocacy arm of Consumer Reports, where she advocated on behalf of consumers on telecommunications and privacy issues before Congress, federal agencies, and national media outlets. She recently began a position as counsel with the Entertainment Software Association, the U.S. trade association for the video game industry, where she advocates on behalf of leading video game publishers and console makers on technology, privacy, and security issues at the federal and state level.

Emily Duncan '00


Emily grew up with her sister, Sarah '03, in McLean, VA, and attended Potomac for high school. She is a director of federal relations at National Grid, an electric and natural gas transmission and distribution utility with customers in Massachusetts, New York, and Rhode Island. Previously, she was director of government affairs and counsel at the Solar Energy Industries Association, the national trade association for the solar industry. Before joining SEIA, Emily was an energy attorney at Winston & Strawn, LLP, in Washington, DC, where she represented various utilities and development companies before the Federal Energy Regulatory Commission and the Nuclear Regulatory Commission. She received her undergraduate degree from the University of Pennsylvania and earned a law degree from Duke University. Emily lives in a 100-plus year old house in Northwest DC with her husband, Matt '00, their son, Harrison, and their daughter, Ellie.

Win Huffman '01


Win grew up in McLean, VA, with his brother, Keith '99, and sister, Libby '96. and was a lifer at Potomac. He majored in history at Gettysburg College, where he also was a member of the men's lacrosse team. After college, Win joined ManTech Security and Mission Assurance supporting OCONUS military programs before moving to Collaborative Fusion, Inc. where he managed state and federal first responder programs. He currently works in government affairs and consulting for Medora Ventures, an advisory group representing clients with a focus in sustainability and socially conscious programs.

Catherine Kahl '09


Catherine grew up in Alexandria, VA, and was a lifer at Potomac, as was her younger brother, Cameron ’12. After Potomac, Catherine attended Colby College, where she earned her degree in international studies. During college, Catherine was a member of the women’s lacrosse team and spent a semester studying in Paris. After college, Catherine started an internship at Tyco, a global fire protection and security systems company, which led to a position with Tyco’s social responsibility program and Tyco Cares Foundation. Currently, Catherine works in DC as a member of the Johnson Controls public affairs team, assisting in the management of their corporate social responsibility and sustainability programs. In her free time, Catherine enjoys playing with her dog, Weston, and coaching lacrosse.

Mark Kington '12


Mark grew up in Alexandria, VA, and began attending Potomac in the fifth grade. After graduating from Potomac, he attended the University of Virginia, where he earned a bachelor's degree in public policy and leadership from UVA's Batten School. Mark is currently a staff assistant for Senator Mark Warner where he works on behalf of Virginians in Senator Warner’s front office. Mark lives in Arlington with two other Potomac alums, Cameron Kahl '12 and Zach Meza '12. They live in a beautiful, one-story, 1930’s Sears kit-house on a slightly overgrown half-acre of rented land.

Matt Kline '01


Matt grew up in Chevy Chase, MD, and was a lifer at Potomac. While in high school, he was class president and a three-sport athlete. Matt attended the University of Michigan’s School of Literature, Science, and Arts and was also a member of the university's varsity wrestling team. At Michigan, he majored in history and graduated with honors.

Matt moved to Venice, CA, to help start a sports agency for professional hockey players, and then joined Creative Artists Agency (CAA), a group that led the convergence of sports and entertainment. At CAA, Matt specialized in film and endorsements, where he worked with and helped sign celebrity clients, including Anne Hathaway, Eddie Redmayne, Jason Statham, and Warren Sapp. Matt left CAA to work for Todd Shemarya Artists, where he would go on to broker global ad campaigns for Brad Pitt, Jennifer Aniston, and Matthew McConaughey. For the past five years, Matt has worked at Zambezi, an award-winning creative agency that develops brand strategy and communications campaigns for Fortune 100 companies such as Samsung and Nike. Matt enjoys serving his community as a three-time publicly elected board member of the Venice Neighborhood Council. He lives with his wife, Ashleigh, and their ferocious chihuahua, Dooce.

Aaron Kur '07


Aaron grew up with his sister Alissa '05, and brother Alexander '10, in McLean, VA. He and his siblings were all Potomac lifers. Aaron studied finance at the University of Virginia, where he was a member of the men's squash team and was involved in the university's entrepreneurship community. After graduating, Aaron moved to New York City to work as an analyst at Goldman Sachs. He currently works as VP of sales for Ambra Health, a digital health company focused on cloud-based medical image management. Aaron lives in New York City and travels back to the Washington, DC, area frequently to visit friends and family.

Katie Fabiani Jaffe '05


Katie grew up with her two sisters, Elizabeth ’03 and Maddy ’14, in McLean, VA, and was a lifer at Potomac. Katie attended Boston College and graduated with a bachelor's degree in management with a concentration in finance. After college, Katie worked as an analyst within the private wealth management division at Goldman Sachs in Boston. Katie moved to New York in the fall of 2012 and joined a technology startup, Relationship Science, as its fourth employee on the business development team, where she worked to find and manage relationships with financial service clients. Last May, Katie joined Gerson Lehrman Group (GLG), a professional learning platform, where she manages relationships with hedge fund clients. Katie and her husband Andrew live on the Upper East Side in New York.

Reed Landry '99


Reed grew up in McLean, VA, and was a lifer at Potomac, graduating in 1999. He graduated from the University of Virginia, where he majored in psychology and Spanish and was a member of the varsity wrestling team. After college, Reed moved back to the DC area and launched Sugar Media Group, an internet advertising company that focused on affiliate arbitrage and provided a social networking platform for more than 30,000 DC residents. He leveraged the network to regularly host events for between 1,000 and 6,000 attendees at downtown museums and stadiums, and subsequently opened four bars and restaurants -- George (Georgetown), Mason Inn (Glover Park), Mission (Dupont Circle) and Hawthorne (U Street). Reed lives in Georgetown with his wife Julie and their two sons.

Sam Lee '03


Sam is the global head of sales strategy and operations at WeWork, a high growth start-up that’s redefining the way people live and work. His responsibilities include leading WeWork's go-to-market strategy; developing its sales process, systems and tools; and recruiting and training its first professional sales team.

Prior to joining WeWork’s leadership team in 2016, Sam held various strategy and general management roles in the financial services at Goldman Sachs, AOL, and UNTD industries. Most recently, he was senior vice president and general manager at United Online, Inc., where he was responsible for UNTD's digital content, advertising, and ISP businesses. Outside of the office, Sam serves as an advisor to various organizations that are developing educational and workplace strategies to unlock the passion and potential of the next generation. After Potomac, Sam earned his B.A. from the University of Pennsylvania and his master's in finance and public policy from Harvard University.

Amelia Mazloom '18


Amelia is a lifer who lives in Arlington, VA, with her younger brother, George, and younger sister, Adele '22. She is enrolled in Potomac's Science and Engineering Research Center (SERC) program, where she has spent the past two years researching various autoimmune diseases. This past summer, Amelia interned at an immunology lab, helping to secure a grant in order to pursue patient specific research. Amelia is an active school advocate as she participates in Potomac's youth group FOCUS, attends yearly Model Congress conferences, is a leader of the Science and Engineering Club, and serves as Senior Class President. She takes part in a diverse array of Potomac teams as she is a member of the soccer, swim, track and robotics teams. She has also played the flute in Potomac's band since 5th grade. Amelia founded and has chaired the Parent/Teen Golden Gala to benefit St. Jude Children's Research Hospital for the past two years. In this role, she has brought together over 40 high school students from 18 schools in the DMC area to raise more awareness to teenagers battling cancer. Amelia loves to spend her free time outside hiking, rock climbing, fishing, camping, skiing and coaching youth sailing.

Chris McNerney '04


Chris started at Potomac as a seventh grader in the fall of 1998 and was quickly followed by his three brothers and his sister. After six wonderful years at Potomac, he studied history at the University of Virginia, where he was president of the Pi Kappa Alpha fraternity during his third year. After graduating in 2008, he moved back up to Arlington, VA, where he has lived ever since. He began his career in the business development division of a government contractor out in Reston, VA, before switching over to technology companies in 2011. From 2011 to 2013 he worked at LivingSocial, a daily deals start-up based in Chinatown, before beginning a four year stint as an account manager for Cvent, Inc., an event management technology company based out of Tyson's Corner. He is now an account executive for Hobsons, a college and career readiness software provider based in Arlington, where he sells to public school districts across Pennsylvania. In his free time, Chris loves to read, exercise, spend time with friends and family, and cook. His closest friends outside of his family are all Potomac classmates.

Michelle O'Hara Levin '93


Michelle is an educator who adores good old-fashioned childishness. She comes from a family of book lovers and storytellers, so at an early age she learned to appreciate a good laugh, a good cry, and a tall tale. Once upon a time, she worked in the for-profit education world; then, she taught kindergartners at The Potomac School and reveled with them in perpetual discovery and everyday magic. After a few years home with her two sons, she is back exploring and adventuring with children as the lead teaching librarian in the Lower School's Granger Library. Michelle loves sharing stories and the power of books with children. When not teaching, she is writing stories for children, reading, breathing her way into yoga poses, and laughing with her husband, sons, and (usually) adorable puppy in Washington, DC. Michelle was a lifer at Potomac. A southerner at heart, Michelle graduated cum laude from Rice University and holds a Master of Education from the University of Virginia.

Olivia Pavco-Giaccia '12


Olivia grew up in Arlington, VA, and began attending Potomac in the fourth grade. She graduated with honors from Yale University in 2016, receiving a bachelor's degree in cognitive science. In college, Olivia was also a member of the Yale Symphony Orchestra and Low Strung, the world's largest all-cello rock band. Olivia is the founder and CEO of the social venture LabCandy, whose mission is to inspire young kids' – especially girls' – interest in STEM. Olivia was named as a national innovator for positive change by NationSwell, and her first book, Ava & The Copper Key, was awarded a Gold Medal in Moonbeam’s Children’s Book Awards. Olivia was also selected as one of Glamour magazine’s Top 10 College Women and named one of HerCampus’s “22 Under 22 Most Inspiring College Women.” She is the recipient of the Upstart Award from online magazine Bustle. The award recognizes recent graduates “who are poised to make a difference in business, arts, fashion, beauty and beyond.” Olivia currently serves on the Champions Board of the National Girls Collaborative Project, one of the country’s largest non-profit organizations committed to girls in STEM, and co-chairs the Young Girls’ Advisory Board there. This past March, Discovery’s Science Channel honored Olivia and her work by naming her as one of their Science Super Heroes.

Brian Pence '95

block1-marjorie_brennan.jpgBrian attended Potomac for high school and then graduated from Tulane University with a degree in philosophy. Following his graduation, Brian received his master's degree in hospitality and tourism management from Virginia Polytechnic Institute and State University's Pamplin School of Business. He is the owner of Grand Duke Hotels, LLC. The company manages the Staybridge Suites in McLean, VA, and the Holiday Inn in Chantilly, VA. Mr. Pence and his wife have three children, all students at Potomac.

Derrick Plummer '99


Derrick and his brother, Andre '00, are from Bowie, MD, and attended Potomac for middle and intermediate school. He holds a bachelor's degree in political science from Morehouse College and a M.B.A. from Howard University.

Derrick is a vice president at Edelman and has 13 years of experience as a strategic communicator specializing in public affairs, crisis and political communications, stakeholder engagement, and multicultural and media relations. He has led multiple high-profile, multi-office communications efforts for Edelman. His client work includes providing strategic counsel and communications support for companies including Delta, Nissan, Krispy Kreme, Under Armour, Arby’s, Barilla, Koch, Boston Consulting Group, and MailChimp. Additionally, he manages the development and execution of insights-driven, brand building communications programs to effectively help clients achieve their business goals and objectives. His clients include organizations in the transportation, technology, QSR, healthcare, food, and professional services industries.

Derrick served as press secretary for the U.S. Department of Housing and Urban Development during the first term of the Obama administration. His political work includes serving on the Kerry/Edwards 2004 presidential campaign, as a regional press secretary and director of African American media affairs for the Democratic National Committee, and as communications director for Congresswoman Gwen Moore (D-WI). Currently, Derrick's niece Sasha is a student at Potomac. His wife, Anita W. Plummer, Ph.D., is an assistant professor at Howard University. This summer, they are expecting their first child.

Stuart Price '09

block1-marjorie_brennan.jpgStuart is a consultant with Vantage Partners, a strategy and management consulting firm in Boston, MA. During his time at Vantage, Stuart has worked with companies across the pharmaceutical, biotechnology, healthcare, and financial services industries, with a focus on helping organizations develop go-to-market strategies, negotiate agreements with key partners, customers, and suppliers, and enhance organizational decision-making and execution capabilities.

Stuart attended Potomac beginning in first grade. His sisters, Madeline '15 and Gillian '15, are both Lifers. After Potomac and before joining Vantage, Stuart attended Duke University, and received bachelor's degrees in economics and public policy studies with distinction in 2013. During his free time, Stuart enjoys coaching Little League in South Boston and mentoring aspiring young professionals through Year Up Boston.

Lara Ramsey '91


Lara was one of the first high school students at Potomac and was a member of its second graduating class. In 1995, she graduated with honors from the University of North Carolina at Chapel Hill with a major in psychology and a minor in history. Lara then spent a year in Glasgow, Scotland, working as a bartender and exploring the United Kingdom and continental Europe. Upon returning to the States, Lara attended the University of Virginia School of Law, earning her J.D. in 1999. She joined Brobeck, Phleger, and Harrison, LLP, in San Francisco as an associate in the insurance coverage litigation department, focusing primarily on environmental issues. She switched from plaintiff-side to insurer-side when she moved home and joined the DC office of Shaw Pittman, LLP. After some soul-searching, Lara left corporate law and spent five years running leadership programs for high school students for the National Youth Leadership Forum on Law, and its parent company, Envision EMI. Continuing a career in education, Lara graduated in 2011 from the George Washington University with a degree in school counseling, and spent several years working in Arlington elementary and middle schools. Lara now works (very) part-time as General Counsel for Acorn Capital, a small real estate investment company, and spends most of her time as a stay-at-home mom. While she lives nearby in the Falls Church, VA, with her wife, Kristin, and their three kids, Forbes, Campbell, and Blythe, Lara grew up walking to Potomac from her childhood home, which is now part of the school grounds.

Cate Rooney '08


Cate followed in the footsteps of her mother, Mittie '78, and uncle, John '76, attending Potomac for high school. After Potomac, Cate attended Vanderbilt University and graduated with a degree in human and organizational development. After spending a few years working at IBM's federal consulting practice, Cate moved to Eagle Hill Consulting; a boutique firm specializing in human capital consulting. Cate currently lives in Bethesda, MD.

Ben Rose '00


Ben is an investment advisor in Goldman Sachs's Washington, DC, office where he advises private business owners, public company chief executive officers, families, and non-profit organizations, and foundations. Prior to joining Goldman Sachs’s Investment Management division, Ben worked in a variety of roles throughout the firm, serving as an investment banker and later directly supporting the firm’s chief administrative officer, who was responsible for the firm’s infrastructure globally. Ben received a bachelor's degree in history with distinction from Yale University, where he was also a member of the varsity lightweight crew team. He received his Master of Business Administration from Harvard Business School and was awarded a HBS Leadership Fellowship to work alongside the senior management team at the Hospital for Special Surgery in New York following graduation. Ben serves on the Advisory Board of the National Executive Service Corps, which recruits former executives to serve on consultant teams to deliver high quality solutions to nonprofit organizations.

Steve Shashy '04


Steve attended Potomac for high school. While there, he discovered that there was more to life than playing football – there was also running track. After graduating from Potomac the summer that "Mr. Brightside" first hit the radio waves (when radio was still a thing), Steve attended Amherst College. There, he briefly played football, had a moderately successful track and field career, called football and ice hockey games for the college's sports radio program, and – most significantly (to him at least) – started the best cover band you've never heard of, which has continued playing until today.

Steve liked Amherst so much that he stuck around after he graduated, working as an assistant coach and recruiting coordinator for the men's and women's track and field teams until 2012. In 2012, Steve departed Amherst for Charlottesville (another lovely college town), to attend law school. He graduated in 2015, and is now an associate with Latham & Watkins, LLP, in Washington, DC, where he practices tax law, with a generous side of pro bono work that deals with issues of juvenile criminal justice, federal civil rights, and family law. Steve and his girlfriend live in Old Town Alexandria.

Robbie Shiver '06


Robbie Shiver attended the University of Miami after graduating from Potomac. There, he received a bachelor's degree in journalism and sports administration. While in school, Robbie was an active baseball player.

Today, Robbie serves as the director of business development and marketing at Shugoll Research. Robbie is responsible for managing the initial aspects of client and prospect engagement, as well as closing business for both the full service and field service divisions of the company. His role includes outreach to new prospects as well as maintaining relationships with current clients and partners; attending networking events, seminars, conferences, and trade shows; and assisting with management of Shugoll Research’s social media pages and blogs in an effort to continue to build awareness of the Shugoll Research brand.

Prior to joining the Shugoll Research team, Robbie worked in business development positions with Liquidity Services, Inc. and Monumental Sports & Entertainment, where he thrived at building relationships and developing a consultative sales process that allowed his clients, prospects, and partners to feel valued. In his spare time, Robbie enjoys mentoring kids, playing and watching sports (rooting for the University of Miami Hurricanes and Washington DC’s professional teams), traveling, and spending time with his family and friends.

Margo Thronson '10


Margo Thronson graduated from Potomac in 2010 and attended the school with her siblings, Lauren '12, and Eric '17. While at Potomac, Margo was Senior Class President, co-captained the cross-country team, and co-led Breakfast Club and Model UN. She has fond memories of making new friends when she joined the school in ninth grade, being on the state championship cross-country team her freshman year, and playing the clarinet in band for four years. Her favorite classes included eleventh grade English with Faye Kronish and AP Spanish Literature with Alex Thomas.

Margo graduated summa cum laude from William & Mary in 2014 with a degree in Accounting and Finance. She received the Gibbs Award for outstanding academic achievement at William & Mary's Mason Business School, and now she is a licensed Certified Public Accountant. Margo currently works for Ernst & Young in McLean, assisting with financial due diligence for mergers and acquisitions. In her spare time, Margo enjoys traveling and spending time with friends and family in the DC area.

Anita Winsor-Edwards '79


Anita attended Potomac from first through sixth grade, along with her siblings Curt '78, Monica '83, and Rebecca '97. She graduated from Smith College and received a Master of Philosophy at Cambridge University. She served as trade representative for the US-Mexico Chamber of Commerce and authored the best-selling business book The Complete Guide to Doing Business in Mexico. She was a professional staff member on the Western Hemisphere Subcommittee of the House International Relations Committee and Deputy Director of the Pan American Development Foundation. She recently launched Starpath Dolls, an online retail business featuring dolls and personalized books. Her daughter Natasha is in Potomac’s class of ’22.

Frank Zarb '77


Frank is a partner in the corporate department of Proskauer Rose, LLP, where he concentrates his practice on regulatory matters under the U.S. federal securities laws, as well as on equity finance transactions regulated under those laws.

Frank held senior positions with the Securities and Exchange Commission and served as deputy general counsel and chief securities counsel for Bristol Myers Squibb Co. Frank attended Brown University, where he majored in history, and also went to law school at the University of Michigan, where he was an editor of the University of Michigan Law Review. After graduating from Potomac, he attended Phillips Exeter Academy for high school.

Frank is a trustee of the Gerald R. Ford Presidential Foundation. He also serves as a member of the board of directors of Horizons Greater Washington, which develops public-private partnerships between independent and public school communities to provide academic, cultural, and recreational programs designed to empower economically disadvantaged students. He also is a member of the board of directors of the Charities Aid Foundation of America, which offers global grant-making and philanthropic advisory services to corporations, foundations, and individuals.