Zulma Barrera :

Zulma Barrera

Zulma Barrera joined Mary’s Center’s Board of Directors in April 2020. She is also a Mary’s Center participant, and currently, she is studying at Briya Public Charter School, our partner in education, to obtain her NEDP (National External Diploma Program). Zulma loves working for education development, and her passion from being an immigrant motivates her to help other families to be part of our community and fight for their rights. She obtained her GED diploma in Next Step, and has been active in the Washington, DC community. Zulma serves numerous organizations such as Advocates for Justice and Education (AJE), Under 3 DC, and PAVE. At Briya Public Charter School, she is working with a new group of students on community leadership.

Viki Betancourt :

Viki Betancourt

Now retired, Viki Betancourt served as Manager of the World Bank's Community Outreach Program for over 10 years. Ms. Betancourt was responsible for corporate philanthropy including a workplace giving program, grants program, volunteer management, and a student internship program, among other corporate-level efforts in the area of social corporate responsibility. In addition, Ms. Betancourt served as manager of the World Bank Community Connections Fund, a non-profit organization designed to implement a workplace giving program and manage disaster relief efforts. Ms. Betancourt is a 2004 graduate of Leadership Greater Washington and served on its board for five years. Ms. Betancourt also graduated from Leadership Senior Montgomery in April 2015 and is a graduate of Stanford's Executive Program for Philanthropy Leaders. Previously, she served as a Board member and Board Chair for the Washington Regional Association of Grantmakers.

Jonathan Blum :

Jonathan Blum

Jonathan Blum served as the Executive Vice President, Medical Affairs at CareFirst BlueCross BlueShield. He led a division of 550 clinical and analytic staff who coordinated medical benefits for all of CareFirst’s business lines that served more than 3.1 million members. In addition, he managed CareFirst’s care coordination programs and the nationally-recognized Patient-Centered Medical Home program. Prior to that, he served as the Principal Deputy Administrator of the Centers for Medicare And Medicaid Services (CMS), directing CMS policy centers and offices to develop and implement strategies to improve payment and the delivery of care throughout the US. Jonathan has also worked for Avalere Health, the United States Senate (Committee on Finance) and the Executive Office Of The President (Office Of Management And Budget). He holds a Bachelor of Arts degree from the University of Pennsylvania and a Master’s in Public Policy degree from the John F. Kennedy School of Government at Harvard University. Jonathan joined the Mary’s Center Board of Directors in December 2016. 

Stuart M. Butler :

Stuart M. Butler

Stuart Butler, PhD, currently serves as a Senior Fellow in Economic Studies at the Brookings Institution. Before joining Brookings, Stuart spent 35 years at The Heritage Foundation, as Director of the Center for Policy Innovation and earlier as Vice-President for Domestic and Economic Policy Studies.  He is a member of Editorial Board of the journal, Health Affairs. Stuart has served on the Congressional Budget Office’s Panel of Health Advisors and is a member of the Advisory Group for the National Academy of Medicine’s Culture of Health Program. Most recently, he has been focusing on the intersection between health, education, housing, and other services. Stuart earned an MA in Economics and History and a Ph.D. in American Economic History from the University of St Andrews in Scotland. He was elected to the Mary's Center's Board of Directors in December 2016 and was appointed Board Chair in April 2018. 

Karen Corallo :

Karen Corallo

Karen Corallo is of counsel with Skadden, Arps, Slate, Meagher & Flom, where she counsels clients on an array of issues relating to all FDA regulated products. After 27 years in private practice handling complex commercial litigation, Karen joined FDA's Office of Chief Counsel as associate chief counsel. She later served as director at FDA's Division of Drug Imports, Exports, Recalls, and Shortages. Karen graduated from South Texas College of Law with highest honors and is a summa cum laude, Phi Beta Kappa graduate of the University of Texas in Austin with a B.A. in English Literature. She joined the Mary’s Center Board of Directors in April 2020.

Anne Ekedahl : Secretary

Anne Ekedahl


Anne Ekedahl (formerly De Biasi), MHA, has dedicated her career to improving access to health care and promoting the health of the public.  She began working as a health policy consultant this year, leveraging skills honed over 30 years of work in health care, community health and health policy.  Her clients include WIN Network, National Academy for State Health Policy, National Association of School Nurses and Well Being Trust.  She is also a Senior Fellow for Policy at WE in the World.  Anne was previously the Director of Policy Development at the Trust for America’s Health, first Director of Child Health Policy and Advocacy at Nemours, Director of Public Policy at the National Breast Cancer Coalition and first Director of the Children’s Dental Health Project.  She was President/CEO of the Oak Orchard Community Health Center in New York and came to Washington, D.C. as a Robert Wood Johnson Health Policy Fellow, working as health care staff for U.S. Senate Majority Leader Tom Daschle. Anne was elected to Phi Beta Kappa at the University of Virginia and graduated at the top of her class from the Masters in Health Administration Program at the Medical College of Virginia. Anne is a Leadership Rochester graduate and received a “40 under 40 Award” from the Rochester Business Journal.  She serves on several advisory boards related to innovative financing for population health. She is also Secretary of the Board of Mary’s Center, a Federally Qualified Health Center, and on the Southwest Neighborhood Assembly’s Education and Scholarship Task Force.

Todd A Cox : Chair

Todd A Cox


Todd A. Cox is a Program Director at Wellspring Philanthropic Fund where he directs the Civil Society Program. Todd has dedicated his career to public service. A lawyer by training, he has served in the Administration of President Barack Obama and held leadership positions in philanthropy and several social justice and civil rights organizations, including the NAACP Legal Defense and Educational Fund, Inc., the DC Public Defender Service and the Ford Foundation. He began his legal career as an honors trial attorney in the Civil Rights Division of the U.S. Department of Justice. Mr. Cox has testified before Congress and state legislatures, made numerous media appearances, and authored several articles. He received his undergraduate degree from Princeton University and his law degree from the University of Pennsylvania Law School. He was elected to the Mary's Center's Board of Directors in March 2017 and was appointed Board Chair in April 2020.

Nikola Garber : Treasurer

Nikola Garber


Nikola Garber, PhD, brings scientific and management experience to the board. Dr. Garber holds a BS in Biology, an MS in Marine Science/Molecular Biology and a doctorate in International Development. She has worked for the National Oceanic and Atmospheric Administration’s Sea Grant College Program since 2000 and is currently the Deputy Director. She is a patient of Mary’s Center. 

Wendy Goldberg : Vice Chair

Wendy Goldberg

Vice Chair

Wendy Goldberg is active in the Washington D.C. community. She has served on numerous boards and been involved with many organizations throughout he D.C. area that support diverse and vulnerable communities in various ways. Currently she serves as the Board Chair for Educare DC, an early childhood education school and community center that serves children and families in D.C. and as Co-Chair of Raise DC, an organization that promotes collaboration amongst local stakeholders to provide every youth with opportunities to succeed. She is also a Board Member for the Greater Washington Community Foundation and the Children’s Law Center.    

Lydia Goring :

Lydia Goring

Lydia Goring is a community leader and real estate investor who has lived in the District of Columbia for over 35 years. She retired from American Airlines after a long and successful career and has since focused her time and energy on improving her community. Lydia served as an Advisory Neighborhood Commissioner for ANC2C for six years and also as a president, vice-president and treasurer of the Mt. Vernon Square Neighborhood Association. In addition, she received the Dr. Arthur Flemming Community Leadership Award, in recognition of her exemplary service and leadership in the revitalization of distressed communities. Lydia is an experienced real estate investor and business owner, having acquired, renovated, and managed single-family and small multi-family properties for over 40 years. She also founded the Mt. Vernon Square Bed and Breakfast. A patient of Mary’s Center, Lydia has a strong interest in the well-being of older adults, especially their access to quality, age-appropriate healthcare. 

Clay Harris :

Clay Harris

Clay Harris has 25 years of experience in advising business owners, executives and wealthy families on matters of investment strategy, private banking, finance, and estate planning. He served as Vice President, Agency, Corporate & Public Finance at Dougherty & Company LLC.  Prior to that, he was a Senior Director at BNY Mellon Wealth Management. Clay graduated from the Detroit College of Business in Michigan and Montgomery College in Maryland and holds several financial qualifications, including the Certified Trust Financial Advisor designation. His motivation to serve on the Mary’s Center board stems from his desire to transform lives using Mary’s Center’s evidence-based model. 

Michelle Paquin Klinger :

Michelle Paquin Klinger

Michelle Paquin serves as the Managing Director in the Career Management division of The Advisory Board Company, a health care and education research, technology, and consulting company.  Michelle oversees numerous human resource-related functions including learning and development, employee engagement, corporate communications, workforce strategy and analytics, corporate social responsibility, and diversity and inclusion. During her 20 years at the company, Michelle has held a variety of roles ranging from sales operations to recruiting and business partnership. She is a graduate of Colgate University. 

Scott D. Pearson :

Scott D. Pearson

Scott D. Pearson was, until August 2020, the executive director of the DC Public Charter School Board (DC PCSB), responsible for the oversight of 120 schools serving over 40,000 students. During his eight years of leadership, Pearson implemented significant reforms in how the Board approves and oversees charter schools, making it a national model for charter school authorizing. Previously, Pearson served in the Obama Administration as the deputy of the Office of Innovation and Improvement for the U.S. Department of Education. Prior to that, he co-founded Leadership Public Schools, a network of college-preparatory public charter high schools in the San Francisco Bay Area. Pearson also previously worked at America Online and Bain and Company, and as a trade negotiator for the Clinton Administration. He currently serves on the board of the National Association of Charter School Authorizers (NACSA), as well as the Equitable Facilities Fund and the Facilities Investment Fund, which provide over $100 million per year in low-cost financing to public charter schools. Pearson holds a bachelor of arts in history from Wesleyan University, a master’s in public administration from Harvard’s Kennedy School of Government and a master’s in business administration from the Harvard Business School.

Jim Rost :

Jim Rost

Jim Rost, MD, is the Chief Medical Officer of Adventist HealthCare Washington Adventist Hospital.  A neonatologist and pediatrician, Dr. Rost has served on the medical staff of both Washington Adventist Hospital and Adventist HealthCare Shady Grove Medical Center for 20 years. During this time, he has demonstrated knowledge, passion and success in providing care for patients and the community. Dr. Rost is highly regarded for his commitment to patient safety and quality care. For the past 10 years, he has served as medical director of Quality and Patient Safety at Shady Grove Medical Center. In addition, he has served as medical director of the Neonatal Intensive Care Unit (NICU) since 2010. Dr. Rost is also active with the Maryland Patient Safety Center and is presently chair of the Board of Governors. 

David Vosvick II :

David Vosvick II

David L. Vosvick II is the Vice President of Human Resources for Pepco Holdings. He has long been involved in philanthropic endeavors and serves on several other boards besides Mary’s Center’s including the Maryland Corporate Council, Central Maryland Meals on Wheels, and the St. Joseph Medical Center Board. He is an active advocate for charitable organizations that support underprivileged youth, and previously served on the board of the United Way of Central Maryland, an organization he remains active with through the annual United Way campaign. Vosvick graduated from the University of Texas in Dallas and the Leadership Baltimore County Program, which is a community leadership program focused on diversity, management, and civic awareness.