Independent Board Member Profiles

Larry G. Massanari

Chairman; Regional Commissioner for Social Security Mid-Atlantic States (retired)

Larry G. Massanari joined the Mathematica board in 2008 and became chairman of the board in 2010. Massanari enjoyed a long career at the Social Security Administration (SSA). He served as acting commissioner of SSA from March through November 2001. Before and after that time, he was the regional commissioner for the Mid-Atlantic states and served as the agency lead for developing disability program policy. Prior to becoming regional commissioner, Massanari was the associate commissioner for policy and was instrumental in revitalizing SSA's research component.


Harold S. Beebout

Former Senior Vice President; Senior Fellow (retired)

Harold Beebout joined Mathematica in January 1974. He has served on Mathematica’s board of directors since 1986 and served as the senior vice president and director of the Research Division from 1986 to 2000. As senior vice president of corporate strategy from 2000 to his retirement in 2002, he was responsible for planning the transition from first generation to current leadership. Beebout currently serves as an independent board member and is a member of the board’s Governance Committee.


Nancy Birdsall

Senior Fellow and President Emeritus, Center for Global Development

Nancy Birdsall is a senior fellow and president emeritus of the Center for Global Development, having served as founding president for its first 15 years from 2001-2016. From 1993 to 1998, Birdsall served as executive vice president of the Inter-American Development Bank where she oversaw a $30 billion public and private loan portfolio. Before that she worked for 14 years in research, policy, and management positions at the World Bank. Prior to launching the Center, she served for three years as senior associate and director of the Economic Reform Project at the Carnegie Endowment for International Peace where her work focused on globalization, inequality and the reform of the international financial institutions. She is the author, co-author, or editor of more than a dozen books and many scholarly papers. Shorter pieces of her writing have appeared in dozens of US and Latin American newspapers and periodicals. Birdsall received her PhD in economics from Yale University and an MA from Johns Hopkins School of Advanced International Studies. Ms. Birdsall joined the board in 2017.


Lee C. Gatewood

Senior Investment Officer, Cape Cod Five Cents Savings Bank

Lee C. Gatewood joined the Mathematica board in 2008. He is a senior investment officer at Cape Cod Five Cents Savings Bank. Previously, Gatewood served as the managing director, Business Analysis and Development, at Merriman Capital, Inc. and worked for Merrill Lynch as director of New York Institutional Equity Sales, Lehman Brothers as a managing director, Paine Webber as a managing director, and UBS Warburg as a managing director. He received his MBA in finance from the Wharton School of Business at the University of Pennsylvania.


Patricia A. King

Emeritus Professor of Law, Georgetown University Law School

Patricia A. King joined the Mathematica board in 1991. She played a key role on the board’s Special Committee on Board Composition during Mathematica’s transition to a 100% ESOP and currently chairs the Governance Committee. She is Professor Emeritus of Law at Georgetown University Law School. She is a member of the Institute of Medicine, a fellow of the Hastings Center, and a faculty affiliate of Georgetown's Kennedy Institute of Ethics. King has served on numerous national advisory bodies, including the Institute of Medicine Committee on Assessing the System for Protecting Human Research Subjects and the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, which produced the seminal "Belmont Report." A trustee of Wheaton College (MA) since 1989, she chaired Wheaton’s board from 2000 to 2005. She is a member of both the American Law Institute and she is a past member of the advisory committee to the director of the National Institutes of Health and the Harvard Corporation.


Charles E. Metcalf

Former President and Chief Executive Officer (retired)

Charles E. Metcalf joined Mathematica in 1975 as director of research. He helped engineer the employee buyout of Mathematica from Martin Marietta in 1986, at which point he assumed the role of president and chief executive officer until his retirement in 2007. Metcalf served on Mathematica's first elected board as an employee-owned company, serving as chair from 1986 to 1989 and has served as a board member since that time.


Matthew Salganik

Professor of Sociology, Princeton University

Matt Salganik was appointed to Mathematica’s Board of Directors in July 2018. Author of Bit by Bit: Social Research in the Digital Age, he is a professor of sociology at Princeton University and widely recognized for his expertise in computational social science. Salganik’s research has been sponsored by organizations including the National Science Foundation, the National Institutes of Health, the Joint United Nations Program for HIV/AIDS (UNAIDS), the Russell Sage Foundation, and the Alfred P. Sloan Foundation, among others. A Fulbright fellow, he earned a Ph.D. in sociology from Columbia University and an M.A. in sociology from Cornell University. 


Jane Scaccetti

Chief Executive Officer, Drucker & Scaccetti

Jane Scaccetti joined the Mathematica Board in 2008 and serves as a member of Mathematica’s Audit Committee. She is a CEO and shareholder in Drucker & Scaccetti, P.C. (D&S), a professional firm providing tax and financial counseling services to wealthy individuals, families and businesses. Ms. Scaccetti has more than 40 years of experience in tax and financial services, including ESOPs. She has held board seats on both publicly reporting companies and large complex nonprofit entities, and has been active on the audit committees of these boards. Currently, she serves as the Chair of the board of directors of the Temple University Hospital; serves on the board of directors and chairs the Finance Committee of Temple University Health System; serves on the board of directors of Penn National Gaming (NASDAQ:PENN) and Myers Industries (NYSE:MYE);  and is a Trustee of Temple University and Salus University. She has a Masters in Taxation from Villanova University and is a Certified Public Accountant. 


Steven A. Schroeder

Distinguished Professor of Health and Health Care, Department of Medicine Director, Smoking Cessation Leadership Center, University of California, San Francisco

Steven A. Schroeder is currently a distinguished professor of health and health care in the Department of Medicine at the University of California, San Francisco as well as the director of the Smoking Cessation Leadership Center. Before assuming his current positions, he was the president/CEO and member of the board of trustees of the Robert Wood Johnson Foundation. Schroeder has received numerous honors and awards, including election to the Institute of Medicine, National Academy of Sciences, and the 2013 Gustav O. Lienhard award from the Institute of Medicine for outstanding achievements in improving health care in the United States. He joined the board in 2011.


Anita A. Summers

Emeritus Professor of Public Policy and Management, University of Pennsylvania

Anita A. Summers joined the Mathematica Board at the end of 1992, and was Chair from 1993-2010. She taught economics at Swarthmore, was Head of the Urban Research Section of the Federal Reserve Bank of Philadelphia, and went to the Wharton School of the University of Pennsylvania in 1979 to start and Chair a Public Policy department. She coauthored three books, and published many articles in academic journals on urban public finance and the economics of education. She was a member of the National Panel on Educational Reform of the National Science Foundation, the Metropolis Project of the American Academy of Arts and Sciences, and the Brookings Institution Urban and Metropolitan Policy Center, and was Chair of the Economic Subcommittee of the Three Mile Island Commission. She was an expert witness for state educational finance reform in Maryland, Pennsylvania, Massachusetts, California and Virginia. After retiring from teaching, she was Ombudsman of the University of Pennsylvania, and is currently President of the Penn Association for Senior and Emeritus Faculty, while also sitting on the Ethics Committee of the Wharton School. Ms. Summers is also currently a member of the Board of Trustees of Waverly Heights, Ltd.