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Potomac Trustees

Noha Abdalla

Noha Abdalla

NOHA ABDALLA serves as Chief Marketing Officer at Choice Hotels where she leads marketing and communications for the 22 brand hotel chain. Noha previously served as Chief Marketing Officer at MyEyeDr., a Goldman Sachs private equity backed company. She also held senior roles in digital and social media marketing at both Hilton and Capital One. She joined Capital One from Discovery where she led marketing for Animal Planet. Noha also spent time leading national blood donor awareness campaigns for the American Red Cross and was a management consultant at Corporate Executive Board and Mercer Management Consulting. A member of the Potomac community since 2011, she has served as Parent Association Treasurer, a parent rep for the Middle School, a member of the Nearly New committee and a member of the Auction Acquisitions team. Noha also serves on the Brand Awareness Leadership Council for the Capital Area Food Bank and served for seven years on the Board for Dolley Madison Preschool. Noha holds an MBA from the McDonough School of Business at Georgetown University and a BS in International Economics from Georgetown University. Noha grew up in Mclean, where she continues to live with her husband and three children.

Yousef Al Otaiba

Yousef Al Otaiba

Yousef Al Otaiba is the Ambassador of the United Arab Emirates (UAE) to the United States (US). He has led the permanent mission of the UAE to the US since July 2008. He was recognized by the National U.S.-Arab Chamber of Commerce as Ambassador of the Year for 2010, and promoted to Minister of State in 2017. In Washington, DC, Ambassador Al Otaiba has focused his diplomatic career on growing UAE-US ties through economic, cultural, security, defense and military cooperation. Since he was sworn in, Ambassador Al Otaiba has influenced several shared successes including the US-UAE 123 agreement, the strongest nuclear nonproliferation deal in global history. Beyond US foreign policy, his ongoing efforts to enhance UAE-US economic relations have formed groundbreaking partnerships with some of the most prestigious organizations across America. He’s also brought innovation to healthcare facilities including Children’s National Medical Center, Johns Hopkins and the Cleveland Clinic.

Ambassador Al Otaiba studied at Cairo American College, Georgetown University and the Industrial College of the US Armed Forces at the National Defense University. He is the parent of two Potomac students and resides in McLean, Virginia with his wife, Abeer.

Sameer Bhargava

Sameer Bhargava

SAMEER BHARGAVA is Executive Vice President and Chief Financial Officer of Clark Construction Group, LLC where he oversees the company's overall growth, innovation, and financial health. Previously, Mr. Bhargava was a Managing Director and Director of Corporate Development at The Carlyle Group in Washington, DC. At Carlyle, Mr. Bhargava also spent time in Carlyle’s U.S. Buyout Fund investment team, both in its Global Aerospace and Defense Group and its Global Industrial Group.

Mr. Bhargava has served as Chairman of the Board for Higher Achievement, an award-winning program serving more than 1,000 at risk middle school students in Washington, DC; Baltimore; Richmond; and Pittsburgh. Its proven model has demonstrated consistent increases in students’ GPAs, test scores and high school graduation rates. Mr. Bhargava also serves on the Board of Viagogo and the Dean’s Leadership Committee of the Harvard School of Design.

Prior to joining Carlyle, Mr. Bhargava was at Bain Capital, LLC, Advent International Corporation and McKinsey & Company.

Mr. Bhargava graduated from Harvard University with an honors degree in biology and received his MBA with distinction from Harvard Business School. He resides in McLean with his wife, Nimisha, and their four children.

Natalie Bush

Natalie Bush

NATALIE F. BUSH earned both her Bachelor of Science in Nursing and her Master of Science in Nursing at West Virginia University School of Nursing. Upon graduation, she moved to Australia, where she established the first women’s counseling program in her region of the Northern Territory. The program provided free services to clients, with a focus on female health issues. Mrs. Bush also worked for the Manhattan Beach, CA, School District as a nurse. She has always been involved in school programs as she raised her three children. She served as a “Young at Art” docent for the Manhattan Beach School District and was a volunteer leader for the Chadwick School’s annual fund campaign, which raised $1.5 million annually with almost 100% participation. In addition, she served on the Chadwick School Board as a parent representative and, more recently, as a parent representative at The Potomac School.

Mrs. Bush is involved in nursing advisory board roles at several universities. She serves as the co-chair at Johns Hopkins University, and she chairs the West Virginia University Nursing Advisory Board. She also serves on the Inova Foundation Board and is a member of their Nursing Council. Mrs. Bush is on the Board of Directors at the West Virginia University Foundation.  In addition, Mrs. Bush volunteers at the Arlington Free Clinic and is a pet therapy volunteer at various DC-area facilities. She is married to Wes Bush, the former CEO and chairman of the board, at Northrop Grumman Corporation. The Bushes reside in the Washington, DC, area.

Michael Davis

Michael Davis

MICHAEL L. DAVIS is head of U.S. institutional defined contribution plan specialists for T. Rowe Price. In this role, he leads the team responsible for expanding the firm’s reach and strategic engagement capabilities in the U.S. institutional DCIO segment. He is a member of the Americas leadership team and plays a key role in guiding the group’s U.S. DCIO strategy.

Mr. Davis has almost 25 years of industry experience. Prior to joining T. Rowe Price in 2016, Mr. Davis spent 17 years with JP Morgan, where he ultimately became head of the Western U.S. region for JP Morgan Asset Management and was later appointed deputy assistant secretary for the U.S. Department of Labor’s Employee Benefits Security Administration. He has also held senior positions with Prudential Financial and Calvert Investments. Mr. Davis has received a variety of civic awards and held several board positions. He earned a B.B.A. in finance from the University of Texas at Austin and an M.P.P. in public policy from the JFK School of Government at Harvard University.

Victoria Davis

Victoria Davis

Originally from Los Angeles, California, VICTORIA EDMOND-DAVIS is a diagnostic radiologist
who specializes in breast imaging, diagnosing breast cancer, and managing breast health. Most
recently Dr Edmond-Davis worked with Fairfax Radiological Consultants. Prior to working at
FRC, Victoria was an Assistant Professor and Section Head at Indiana University’s Department of
Radiology, where she did her residency and breast fellowship training. There she was involved
with teaching, conducting research, and managing the Breast Imaging Department. Victoria
earned her undergraduate degree at Stanford University and completed medical school at UC
San Diego.

Victoria and her husband Lonnie Davis reside in McLean, Virginia and are the parents to two Potomac students.


Ellen Dwyer

Ellen Dwyer

ELLEN M. DWYER is a partner in the law firm of Crowell & Moring LLP, where she serves as Chair of the Firm’s Executive Committee and a member of its Management Board. Ellen represents employers in the full array of labor and employment matters, including litigation under federal and state anti-discrimination laws, trade secret and related fiduciary breach and wrongful discharge claims. She also conducts investigations and counsels employers across diverse industries on compliance issues ranging from sexual harassment to gender pay equity to whistleblower protections. 

Ellen serves as the Chair of the Leadership Council on Legal Diversity, an organization of law firm leaders committed to enhancing the diversity of the legal profession. Additionally, Ellen is a fellow of the American Bar Foundation.

Ellen earned her Bachelor of Arts degree from St. Lawrence University and her law degree from Cornell Law School. She resides in Arlington with her husband and three children.


Mina Faltas

Mina Faltas

MINA C. FALTAS ‘96 is the Founder and Chief Investment Officer of Washington Harbour Partners LP, an investment firm that manages public and private investments. Previously, Mr. Faltas was the Co-Founder, Co-Managing Partner, Co-Portfolio Manager, and Head of Research at Nokota Management LP, which was an opportunistic, event-driven hedge fund in New York that invested across the capital structure. Before starting Nokota, he was a senior analyst at Viking Global Investors. Prior to Viking Global, Mina was a Vice President at JPMorgan in the Proprietary Positioning and Mergers & Acquisitions groups.

Mina has a B.S. in Commerce (finance) from the University of Virginia. Mina is a Potomac lifer and is the parent of two current Potomac students. He resides in McLean, Virginia with his wife, Kristin Jensen, and their two children.


James Fleming

James Fleming

James B. Fleming Jr. is a parent of a current Potomac student and two Potomac alumni. As an investor and partner at Columbia Capital, Jim focuses on investments in the cyber security, media and mobile sectors. He serves as a board member for numerous private companies and not-for-profit entities and previously served on the Potomac Board of Trustees from 2012-2021.

Jim received his Bachelor of Arts degree from Stanford University. He resides in Alexandria, Virginia with his wife, Sheila.


Christopher Graham


CHRISTOPHER D. GRAHAM is a current parent of two Potomac students. He is a Senior Managing Director at Starwood Capital Group, where he supervises the firm’s investments in the Americas. Chris is responsible for originating, structuring, underwriting and closing investments in all property types. He is also a member of the Starwood’s Executive, Investment and Disposition Committees. Prior to joining Starwood Capital in 2002, Chris worked at CB Richard Ellis in Washington, D.C.

Chris received his BBA degree in finance from James Madison University and an MBA from Harvard Business School. He resides in McLean, Virginia with his wife, Jen.


Won Kim

Won Kim

WON KIM served 21 years at the Federal Communications Commission before retiring in 2016, working as a senior attorney in the spectrum and competition policy division of the Wireless Telecommunications Bureau. After her retirement, Ms. Kim has been devoting her time to her family, friends and the Potomac School. Mostly recently, she took up on her new role as Vice President of SML Genetree Sciences, Inc., US subsidiary of SML Genetree, a leading developer of molecular diagnostics and sequencing technologies in Korea. At SML Genetree, Ms. Kim is in charge of the regulatory compliance and the legal affairs, as well as overseeing the commercialization of their IVD products in the US market.

Born and raised in Seoul, Korea, Ms. Kim is a graduate of Ewha Womans University, where she majored in English Literature. After earning a master’s degree from Ewha, she became a lecturer in the English Department and later won the British Council Fellowship to receive her second master’s degree in English literature from the University of Exeter, England. She continued her teaching at Ewha until she came to the United States in 1988 to start a family with her husband, Dr. Mu Hong.

As her second career path toward public policy and community service, Ms. Kim attended and graduated cum laude from Georgetown University Law Center in 1995. After law school, she has been actively involved in several community organizations and served on the boards of various non-for-profit organizations. At the Potomac School, her volunteer works include service as head parent representative for the Lower School, a parent representative for the Upper School, and as a mentor to many new families. Ms. Kim and her husband live in McLean with their two daughters.

John Kowalik


JOHN KOWALIK became Potomac’s 14th head of school in 2013 after a decade as headmaster of The Peck School in Morristown, NJ.

Raised in the Boston area, Mr. Kowalik is a graduate of Archbishop Williams High School in Braintree, MA, and a member of that school's athletic and academic halls of fame. At Williams College, he majored in political science and captained teams in football and winter and spring track. He also has completed the Executive Management Program at Dartmouth’s Tuck Business School and earned a master’s degree in educational administration from Columbia University.

Mr. Kowalik spent 19 years at Delbarton School in Morristown, NJ, serving as a teacher and later dean of school and assistant headmaster. As head football coach for 16 years, he compiled a 138-29 record and won two state titles and nine conference championships. During his tenure at Peck, the school maintained a rigorous academic program distinguished by excellent teaching and developed a nationally recognized character program.

Mr. Kowalik and his wife, Carolyn, have four children: Jack, Liza, Mark, and Sara are graduates of Notre Dame.

Kimberly Kuryea


KIMBERLY A. KURYEA is Senior Vice President, Human Resources and Administration at General Dynamics, where she responsible for the human capital practices impacting the company’s 100,000 employees. Her areas of focus include leadership development, compensation, benefits strategy and delivery, diversity and inclusion, ethics, security, and information technology. Prior to this position, she served as the company’s controller and chief accounting officer responsible for accounting, financial reporting, government accounting and financial systems. Previously, she was chief financial officer of General Dynamics Advanced Information Systems and staff vice president, Internal Audit for General Dynamics. Prior to joining General Dynamics in 2000 as director of financial planning and analysis, Kim worked for Arthur Andersen LLP in its government contracting practice.  Kim is a certified Public Accountant and serves on the board of the Army Distaff Foundation. 

Kim holds BSBA degree in accounting from Georgetown University and an MBA from the Fuqua School of Business at Duke University. She is the parent of a current Potomac student and resides in Mclean, Virginia with her husband, Steve Martin, and son.

Tanya La Force

Tanya La Force

TANYA LA FORCE is an accomplished nonprofit and business leader with a track record of recruiting, leading and mentoring volunteers and employees to accomplish aggressive goals. She is a creative problem solver with more than 15 years of experience in the nonprofit sector. She currently is Chair and Founding Member of the Community Foundation for Northern Virginia’s Business Women’s Giving Circle, investing in innovative STEM and entrepreneurship programs for girls and young women. Prior to that, Ms. La Force was the Chairman of the Board and Founding Partner of the Children’s Science Center, building the first hands-on interactive science museum in Northern Virginia. Ms. La Force is a graduate of Leadership Fairfax and has strong ties in Northern Virginia. She cares deeply about the power of local nonprofit work and launched Mission Focused Consulting to help other organizations meet their potential. Prior to her nonprofit work, Ms. La Force was a CPA and Controller for industry leading companies. As a Potomac parent, she has volunteered on many committees, most recently serving on the Parent Association Executive Committee as the Intermediate School Head Parent Representative.

Ms. La Force is a graduate of Lafayette College with a BA in Economics and Business. She and her husband live in Northern Virginia with their three sons, all Potomac students.

Reed Landry '99

Reed Landry

REED W. LANDRY is Managing Partner and Co-Founder of Mission Group, a hospitality company that owns and operates large format bar and restaurant concepts in Washington, DC, including Mission Dupont, Hawthorne, Mission Navy Yard, The Admiral, Salazar and Royal Sands. 

Mr. Landry is a graduate of the University of Virginia, where he was a member of the varsity wrestling team. He remains active in the sport, serving on the Board of Directors of Beat The Streets, an organization working to reinstate wrestling programs at all DC public high schools and provide support programs for athletes. Mr. Landry also serves as Vice Chair of the Dupont Circle Business Improvement District. He was a lifer at Potomac, graduating in 1999. His brother Clark ('95) is also a Potomac School graduate. Prior to joining the Board of Trustees, Mr. Landry served as President of the Potomac School Alumni Governing Council. He lives in Washington, DC with his wife Julie and their three sons.

Maryanne Lavan

Maryanne Lavan

MARYANNE R. LAVAN is Senior VP, General Counsel & Corporate Secretary at Lockheed Martin Corporation. In this role, she is responsible for the corporation’s legal affairs and law department, including serving as counsel to its senior leadership and Board of Directors. Maryanne previously served as Vice President of Corporate Internal Audit, providing independent assessments of governance, internal controls, and risk management. In November 2019, she was appointed to the Board of Directors of the Leadership Council on Legal Diversity, which aims to promote diversity across the legal sector. She contributed to the Leadership Council on Legal Diversity’s Fellows and Success in Law School Mentoring Program and hosted its Fellows Alumni Regional Roundtable and Sustainable Partnership Program. She serves on the governing bodies of the University of Albany Foundation, and Fordham University.

Maryanne graduated magna cum laude from the State University of New York with a Bachelor of Science and from the Washington College of Law, American University, with a J.D. She resides in Bethesda, Maryland and is the parent of two children, one of whom is a Potomac graduate.

Patricia Potts

Patricia Potts

Patricia Potts has worked at the National Association of Home Builders for 18 years and currently oversees its publishing arm. She is the proud publisher of her first children’s book, The House That She Built, inspiring and empowering young girls and boys. Previously Patricia served for 12 years as a parent volunteer at Reid Temple Christian Academy where she successfully managed the academy’s fundraising efforts and community service projects. In addition, she served on the of board of Tiny Findings Child Development Center Inc.

Patricia is the co-founder of the Parents of Black Students Family Network at Potomac. She has taken her passion for education and children and co-founded CONNECTdmv, a nonprofit that helps close the opportunity gaps for students and families of color at independent schools by empowering students, creating opportunity, building community, and activating change.

Patricia is a graduate of the University of Maryland and currently serves on the Robert H. Smith School of Business Alumni Chapter Board. She resides in Bowie, Maryland, with her husband, Anthony and is a parent to two sons, one of whom is a Potomac graduate.

Norma Ramsey

NORMA C. RAMSEY is president of the W. Russell and Norma C. Ramsey Foundation.  Mrs. Ramsey is actively committed to philanthropic causes dedicated to at-risk families through education and health programs.  Along with her husband Russ, Mrs. Ramsey is a founding investor of Venture Philanthropy Partners which has invested over $100 million in Greater Washington’s most high performing non-profit institutions.

In addition to serving on the Dean’s Advisory Council of the Milken Institute School of Public Health at The George Washington University, Mrs. Ramsey serves on the Executive Committee of Children’s National Medical Center, the Foundation Board of Inova Health System, the Executive Committee of Knock out Abuse, the We Are Family Foundation and the Executive Committee of the University of Virginia Parents Council.  Mrs. Ramsey has also served as a member of the Executive Committee of the Wolf Trap Foundation for the Performing Arts as well as the Deacon Club Board at Wake Forest University.

An Emerita Trustee, Mrs. Ramsey served the Potomac School Board of Trustees from 2002-2011. During that time, she chaired the Building and Grounds Committee and personally oversaw the development of and initial implementation of the Master Plan.  Mrs. Ramsey currently serves as Chair of the Committee on Trustees and also serves on the Strategic Priorities Committee, the Building and Grounds Committee, the Development Committee, and Growing Ever Greater - The Campaign for The Potomac School.

Mrs. Ramsey earned a Bachelor of Arts from the University of Maryland and resides in Great Falls, VA along with her husband Russ, current student Paige ’24, and three alumni – Bailey ’10 (UPenn/GWU); Eric K-8 (WFU) and Mark ’14 (UVA).

James Rooney

James Rooney

JAMES H. ROONEY is President of Avenir Corporation, a value oriented investment management firm located in Washington, DC that manages over $1 billon in separate accounts for individuals, families and institutions, including limited partnerships, foundations, pensions and endowments. Prior to joining Avenir in 1998, he worked in the energy business for Columbia Energy Group and Sonat, Inc., and held positions at Deloitte & Touche, LLP and J. & W. Seligman & Co., Inc.

Mr. Rooney has a BA in Economics and History from Duke University and an MBA from the Fuqua School of Business at Duke University. In addition, he is a CFA Charterholder and a member of the CFA Society of Washington. He has served on the boards of various charities and not-for-profits in Alexandria and northern Virginia.

As a Potomac parent, Mr. Rooney has been involved in the Fathers Association (FAPS). He and his wife, Jennifer, have three children, two of whom are Potomac graduates and one who is a current student.

Eric Rosenthal

ERIC W. ROSENTHAL ‘03 is the Managing Partner at Machine Investment Group LP, (“MIG”) a private equity firm based in New York, NY, focused on distressed commercial real estate. The firm manages discretionary capital on behalf of institutional limited partners. 

Mr. Rosenthal is a graduate of the University of Virginia. He served on Potomac’s Alumni Governing Council from 2011 to 2017, co-chairing its development committee for much of his tenure. He is a 2003 graduate of Potomac, as is his wife, Pamela Barris Rosenthal. They live in Washington, D.C. with their three children.


Charles Rossotti

Charles Rossotti

CHARLES ROSSOTTI is currently an advisor to The Carlyle Group where he works on evaluating investments and advising  managements of portfolio companies, primarily in the fields of information technology and business services.

He serves on the boards of three Carlyle companies: Booz Allen and Hamilton;  Coalfire Systems; and Novetta Corporation. He previously served on the boards of  ECI Software; Quorum Management Solutions; Primatics Financial.   Compusearch Software, and the Wall Street Institute, all successfully exited from  2010 to 2016, and Apollo Global, partially exited in 2012.

In addition, he recently retired as non-executive chairman of the board of AES Corporation, a publicly owned global electric power company. He served on the board of Bank of America Corporation where he was chair of the audit committee until retiring in 2013 and on the board of Merrill Lynch before its merger with Bank of America.

On November 6, 2002,  Rossotti completed a five-year term as Commissioner of the Internal Revenue Service.  In 1970 Rossotti co-founded American Management Systems, an IT services and software company,  and until 1997 served at various times as President, CEO and Chairman.Prior to founding AMS, Rossotti served for four years in the Office of the Secretary of Defense, completing his service as Principal Deputy Assistant Secretary of Defense for Systems Analysis

In addition to his business activities, Mr. Rossotti serves on the boards of Capital Partners for Education and the  Comptroller General’s Advisory Committee of the Government Accountability Office (GAO). In 2005, he served as a member of President Bush’s advisory panel on reform of the income tax.

Mr. Rossotti is the author of Many Unhappy Returns, a book about his experience turning around the IRS, published by Harvard Business School Press in March 2005. He was awarded his A.B. in Economics, magna cum laude, from Georgetown University and his M.B.A with high distinction from Harvard Business School. 

Paul F. Sheridan, Jr.

Paul Sheridan

PAUL SHERIDAN  is a partner in the Washington, DC office of Latham & Watkins LLP and the Global Chair of the firm’s Private Equity Practice, having previously served multiple terms on the firm's executive committee. He has significant experience in representing companies and private equity firms in corporate and transactional matters, including mergers and acquisitions, private and public offerings, and general company representation.

Paul received his Bachelor of Arts from Harvard College and his J.D. from University of Virginia Law School. He resides in McLean, Virginia, with his wife, Rachel, and their three children.



Martin W. Sumner

Martin Sumner

MARTIN W. SUMNER is a Managing Director of The Carlyle Group where he focuses on investment opportunities in the industrial and transportation sectors.

Since joining Carlyle in 2003, Mr. Sumner has led or been a key contributor to a number of the firm’s investments including Allison Transmission, Atotech, AxleTech International, Axalta Coating Systems, Centennial Resources Development, Nouryon, United Components, Veyance Technologies, and Wildhorse Resources, among others. Prior to joining Carlyle, he held positions with Thayer Capital Partners, a private equity firm and the strategy consulting group of Mercer Management Consulting.

Mr. Sumner received his M.B.A. from Stanford University, where he was an Arjay Miller Scholar and a B.S. in Economics, magna cum laude, from the Wharton School of the University of Pennsylvania. He is currently a member of the Board of Directors of Atotech, AxleTech International and Nouryon and resides in Washington D.C. with his wife Meredith and three children.

Stefanie Thomas '03

Stephanie Thomas

STEFANIE A. THOMAS '03 is a venture investor at Impact America Fund. She joined the firm in 2015 and is particularly interested in the network effects that propel bootstrapped entrepreneurs, a focus inspired by her father who overcame tremendous challenges as a low-income business owner. Prior to joining Impact America Fund, she co-founded Quarterback Impact while also managing fund development for an impact investment evergreen project.

In 2014, she led a 6,000-mile road trip across the U.S. to meet and work with entrepreneurs who are focused on making an impact in their local communities. She co-founded and is an advisor for Women Who Launch, an organization that fosters a gender equal entrepreneurial ecosystem and was recognized as an emerging voice of “Black Women VCs” by Fast Company.