Our Team

Experts at the nexus of medicine, need, and technology.


David Segal
Chief Executive Officer
Crystal Weeks Cohens
Crystal Weeks Cohens
Director of Clinic Partnerships and Business Development
Corrin M. Colesar
Administration Manager
Seamus Collins
Seamus Collins
Vice President of Advancement
Jill Einstein, MD
Senior Director of Physician Engagement
Jonathan Lewis
Jonathan Lewis
IT & Data Systems Director
Erin Moran
Clinic Partnership Manager
Karen Myers
Karen Myers
Senior Director of Institutional Support
Maria Perkins
Maria Perkins
Chief Information Officer
Meredith Schanda
Chief Operating Officer
Shirley Severe-Telon
Applications Support Associate
Jennifer Strandskov
Physician Engagement Associate
Kristin Talbot
Program Manager
Emily Walsh
Emily Walsh
Director of Communications
Rebecca Weissman
Rebecca Weissman
Senior Director of Advancement
Laurie Green, MD
Founder, President, and Chair 

Dr. Laurie Green has practiced medicine for more than 40 years and is the managing partner of Pacific Women’s Obstetrics & Gynecology Medical Group.

She completed an internship in internal medicine at Stanford University and an obstetrics and gynecology residency at University of California, San Francisco. She earned her M.D. and A.B. (History & Science, summa cum laude) from Harvard, was president of the Harvard Medical School Alumni Association (2013-14), and served 7 years on the Alumni Council.

Dr . Green has held board leadership positions in the Brown and Toland Medical Group and the San Francisco Medical Society.

She is currently vice-chair of the OB/GYN  Department at California Pacific Medical Center and one of seven public health commissioners for the City and County of San Francisco.

Chase Behringer
Founder, Silicon Valley Social Value

Chase Behringer is the founder of Silicon Valley Social Value, a consulting firm serving mission-driven organizations and philanthropists. Previously, Chase was a social entrepreneur and head of strategy at Samahope, an award-winning social enterprise acquired by Johnson & Johnson, and a management consultant at leading nonprofit and for-profit firms. Chase holds a B.A. degree from Columbia University and an M.B.A. degree from MIT Sloan School of Management.

Grant Chamberlain
Senior Managing Director, Ziegler Healthcare Investment Banking

Grant Chamberlain is a Senior Managing Director at Ziegler within the firm’s Corporate Finance Healthcare Practice. In addition, Grant just concluded a 6 year run as an elected Director of the American Telemedicine Association, the leading international advocate for the use of advanced remote medical technologies. With over 25 years of investment banking experience, Grant has advised leading healthcare systems and telehealth companies. Grant holds a B.A. degree from the University of Wisconsin-Madison.

Vicki Escarra
Former CEO, Feeding America

Vicki Escarra is a visionary, multi-sector leader having served as the CEO/President of Feeding America, CEO of Opportunity International, and Chief Marketing Officer at Delta Air Lines. Today, Vicki is committed to transitioning leaders as a Senior Advisor with My Next Season and Boston Consulting Group. Vicki holds a B.A. degree from Georgia State University, and certificates from Columbia University’s Executive Management Program and Harvard Business School’s Leadership Program. She also serves on the board of directors of Plan USA.

Jay Gellert
Former CEO & President, Health Net, Inc.

Jay Gellert recently completed 17 years as President and Chief Executive Officer of Health Net, Inc. and assisted in their merger with Centene corporation. He held several leadership and strategic positions in the healthcare industry, including Shattuck Hammond Partners, Bay Pacific Healthcare Corporation, and California Healthcare Systems. He is a member of the board of directors of HealthEdge, and a past chairman of America’s Health Insurance Plans. He holds a B.A. degree from Stanford University.

Barth Green, MD
Barth Green, MD
Chair of Neurological Surgery, Miller School of Medicine

Dr. Barth A. Green served as Chairman of the Department of Neurosurgery for 22 years and as Chief of Neurosurgery at Jackson Memorial Hospital and the Miami VAMC and has worked for the University of Miami for 47 years. During that time, he cofounded the Miami Project to Cure Paralysis and Project Medishare for Haiti and Shake A Leg Miami. He now serves as Executive Dean of Global Health and Community Service at UM and directs its Global Disaster Response programs.

Howard A. Kahn
Retired CEO, L.A. Care Health Plan & CA Wellness Foundation

Howard A. Kahn served for over 14 years as CEO of L.A. Care Health Plan, the nation’s largest publicly operated health plan. In addition, Howard served as a senior executive at CIGNA International, Aetna, and was the founding president and CEO of the $1 billion California Wellness Foundation, and the founding CEO of the Health Plan of San Mateo. Currently, Howard is chair of Physicians for a Healthy California and chair of philanthropy for the  Good Hope Medical Foundation. He recently completed his term as a Board member of Charles R Drew University and RAND Health. Howard attended Harvard College and holds a B.A. degree from University of California, Berkeley, and M.A. from the University of Minnesota’s Humphrey Institute.

Frederic “Ric” Marx
Retired Partner, Hemenway & Barnes

Ric Marx served for 35 years as an attorney at Hemenway & Barnes. During his last decade at the firm, he was Chair of the Business Law Group and its nonprofit group. Ric also served as Chair of the Massachusetts Bar Association Nonprofit Organization Committee and was Editor of the treatise on nonprofit organizations published by Massachusetts Continuing Legal Education, Inc. In the nonprofit sector Mr. Marx was general counsel in the healthcare sector to Neighborhood Health Plan (now AllWays Health Partners), the Cambridge Hospital, the South End Community Healthcare Center and has served as general counsel for nonprofits in the social services, arts, and education sectors.

Muriel Nouwezem
CEO, Saban Community Clinic

Muriel Nouwezem was named CEO of Saban Community Clinic (SCC) in Los Angeles in June 2020 after serving two years as Interim CEO. Before her appointment as CEO, Muriel served as Chief Financial and Business Services Officer, overseeing finances and operations for ten years. As a federally-qualified health center founded in 1967, Saban Community Clinic supports more than 131,000 visits from low-income and uninsured men, women, and children each year. Its five locations, located in the Los Angeles and West Hollywood areas, provide affordable access to quality medical, dental and behavioral health services along with comprehensive services for individuals experiencing homelessness, including a free shower program at two sites.

David Segal
Chief Executive Officer

Dave Segal served as President and CEO of AllWays Health Partners, the insurance division of the Mass General Brigham system, for over 5 years. Dave ensured that AllWays delivered on its promise to be a different kind of health plan that put customers first. AllWays Health Partners serves commercial members throughout Massachusetts, and Medicaid members enrolled in My Care Family, an accountable care organization that includes a leading Massachusetts Community Health Center and a leading Disproportionate Share Hospital. Dave was responsible for the development and execution of AllWays’ long-term strategy with a focus on pulling forward its tradition of innovation, service, and commitment to diversity, equity and inclusion.

With deep industry knowledge and experience spanning over 30 years, Dave has executed successful strategic and operational initiatives that have improved the customer experience and led to organizational growth. He joined AllWays Health Partners (then Neighborhood Health Plan) in 2008 as Chief Operating Officer with a focus on streamlining operations and customer satisfaction via team engagement, business process redesign and technology innovation. Prior to AllWays, he served at Harvard Pilgrim Health Care for 23 years with his last role being Senior Vice President of Customer Service and Market Performance.

Dave served as Vice Chair of the Board of the Massachusetts Association of Health Plans, Executive Committee member of the Board of the Association of Community Affiliated Plans, and Board member of the Greater Boston Chamber of Commerce.

Paola Abello
Director of Innovation, Harvard Medical School's Center for Primary Care

Paola Abello is the Incite Health Program Director at the Harvard Medical School Center for Primary Care, where she helps healthcare entrepreneurs bring disruptive ideas to market. Paola has more than 17 years of experience launching and expanding business opportunities in the area of commercial real estate, venture philanthropy, asset management, and healthcare. Ms. Abello has been involved with The MAVEN Project since its inception. She received her M.B.A. from Babson College with a concentration on Entrepreneurship and her B.S. in Finance & Economics from Boston College.

Marc A. Bard, MD
Health care strategist and consultant, CEO of MB2, LLC

Dr. Bard is a board-certified internist who currently serves as a leadership and organizational performance consultant. In this capacity, he assists delivery systems who, in today’s emerging healthcare environment, want to operate as integrated delivery systems to achieve the triple aim of improved care for patients, improved outcomes, and greater operating efficiencies.

Terry Bradwell
Former EVP & Chief Enterprise Strategy and Innovation Officer, AARP

With over 30 years of domestic and international experience in technology, human-centered design, strategic planning and technology product development, Terry Bradwell has held a number of executive leadership positions with both for-profit and non-profit organizations.

Most recently, Terry was the EVP, Chief Strategy and Innovation officer and CIO with AARP, the world’s largest non-profit organization that focuses on people over age 50 live their best lives. He played a leading role in creating the strategic roadmap that transformed AARP’s business model into a technically savvy organization that creates consumer focused digital and technology based products and services. Known as an inspirational change agent, he headed the organization’s strategic planning, strategic intelligence, strategic corporate partnerships, product development and information technology. In 2015 he launched an awarding winning 30,000 sq ft innovation and technology lab in Washington DC known as “The Hatchery” that continually discovers new and relevant solutions for AARP’s 38 million customers.

A socially conscious executive, he serves on the Board of Directors for Venture Café Miami focused on enhancing the growth of South Florida’s innovation community by working to make it diverse, inclusive, accessible and better connected.

Currently Terry serves as the Managing Partner of Solvo Partners a technology development and management consulting firm he co-founded in September of 2017.

His residence is in Miami FL where he’s an accomplished musician, composer and music producer and donates much of his free time to developing talented young and aspiring musicians in the Miami area.

Eli Cahan
Medical Student, NYU School of Medicine

Eli is pursuing a master’s degree in health policy as a Knight-Hennessy Scholar at the Stanford School of Medicine and has one year remaining in the MD program at the New York University (NYU) School of Medicine. He graduated Phi Beta Kappa from the University of Michigan with a bachelor’s degree in business administration. Eli conducts research with the Clinical Excellence Research Center (CERC), the Lucile Packard Children’s Hospital (LPCH), and the Center on Philanthropy And Civil Society (PACS), focusing on health economics, global health, biomedical innovation, and implementation science. He is also a contributor to TechCrunch and STAT News, and an editor of Agora, the School of Medicine’s arts and literature magazine at NYU.

In the past, Eli has worked as a financial analyst at Morgan Stanley, UBS, and Infinity Equity Group. He was a Fulbright International Summer Institute Scholar and Angell Scholar at the University of Michigan, received the Paul Kalanithi Writing Award from Stanford School of Medicine, and was a Rudin Fellow in the Medical Humanities at NYU. His work has been featured in PBS NewsUS News, Vox, Forbes, Scientific AmericanBusiness Insider, Nature, JAMA, and Health Affairs, among other publications.

Sophia Chang
Sophia Chang, MD
Chief Clinical Informatics Officer, Clover Health

Sophia Chang, MD, MPH, is the Chief Clinical Innovation Officer at CareMore Health System, a Medicare Advantage health plan and delivery system which is expanding to serve Medicaid populations. She was formerly the Vice President of Programs at the California Health Care Foundation (CHCF), Director of the Veteran Health Administration’s Center for Quality Management in Public Health, Director of the HIV/AIDS program for the Henry J. Kaiser Family Foundation, Medical director of the San Francisco Health Plan, and director of AIDS Health Services for the San Francisco Department of Public Health. She continues to practice general internal medicine at San Francisco General Hospital as a UCSF faculty member. Sophia holds a bachelor’s degree from Amherst College; a master of public health from the University of California, Berkeley; and a medical doctorate from Columbia University’s College of Physicians and Surgeons.

Bill Chin, MD
EVP, Clinical and Translational Science at Frequency Therapeutics

Dr. Chin is Executive VP for Translational Medical Science and former Chief Medical Office (CMO) of Frequency Therapeutics and Bertarelli Professor of Translational Medical Science and Professor of Medicine Emeritus at Harvard Medical School (HMS). He is formerly Executive Vice President for Science and Regulatory Advocacy and CMO at Pharmaceutical Research and Manufacturers of America (PhRMA) where he led PhRMA’s continuing efforts in science and regulatory advocacy in the drug discovery and development ecosystem. Prior to PhRMA, he was the Executive Dean for Research at HMS. Before that, he was at Eli Lilly and Company last as Senior Vice President for Discovery Research and Clinical Investigation.

Dr. Chin is a Harvard-trained endocrinologist and longstanding faculty member. His career is highlighted by leadership in molecular endocrinology and translational science and medicine during his 25 years on the Harvard Medical School faculty. During this time, Bill was Chief of the Genetics Division in the Department of Medicine at Brigham and Women’s Hospital, a Howard Hughes Medical Institute Investigator and Professor of Medicine at HMS. He has been honored with numerous awards for research, mentorship and leadership. He is a past president of the Harvard Medical Alumni Association. Bill received his A.B. in Chemistry from Columbia University and his M.D. from Harvard Medical School.

Nathaniel M. Lacktman
Chair of Telemedicine & Digital Health Industry Team at Foley & Lardner

Nathaniel M. Lacktman is a partner and health care lawyer with Foley & Lardner where he is the Chair of the firm’s Telemedicine Industry Team and Co-Chair of the firm’s Digital Health Group. Mr. Lacktman advises hospitals, health care providers, technology companies, and entrepreneurs on business arrangements, compliance, and corporate matters, with particular attention to telehealth, digital health, and health innovation. His approach to practicing law emphasizes strategic counseling, creative business modeling, and fresh approaches to realize clients’ ambitious and innovative goals. He has helped draft comments, legislation, and policy input on telehealth to state lawmakers, the DEA, the Congressional Research Service, Medicaid agencies, state boards of medicine, and the American Heart Association. He is Vice Chair of the Executive Committee of the American Telemedicine Association’s Business & Finance Group, and leads the Telemedicine Work Group of the American Health Lawyers Association. He is a graduate of the University of Florida and the University of Southern California School of Law.

Michael LaCombe, MD
Internist & Professor of Medicine/Medical Humanities

Dr. Michael LaCombe is the immediate past president of the Harvard Medical School Alumni Council, and is an associate editor of the Annals of Internal Medicine. He has served on the Board of Directors of the American Board of Internal Medicine, on the Board of Regents of the American College of Physicians, and on the advisory board of the Maine Scholar.

He has practiced medicine in Maine for 37 years and is currently in the cardiology division of Maine General Medical Center, Augusta, Maine. Dr. LaCombe is also Professor of Medicine/Medical Humanities at the University of New England and has been a visiting professor at over sixty major universities throughout the world. He was named an Alpha Omega Alpha Visiting Professor six times and was honored by the American College of Physicians with the prestigious Davies Award for Scholarly Activities in the Humanities, and by the University of Southern Maine with the Honorary Doctor of Humane Letters, honoris causa. He has published over 100 pieces of fiction and 12 books. He has been a strategic advisor and champion of The MAVEN Project since its inception.

Lisa Bard Levine, MD, MBA
Consultant/Owner, LBL Innovations, LLC

Lisa Bard Levine has devoted her over 18-year health care strategy and consulting career to the advancement of provider alignment and engagement within US payer and provider organizations. Her efforts have focused on helping physician leaders and professional managers form constructive partnerships to measurably improve clinical, service, and business performance for organizations facing the local challenges of healthcare reform. Dr. Levine’s recent efforts have focused on the design and implementation of innovative care systems for organizations committed to serving vulnerable populations in today’s value-based reimbursement environment. Dr. Levine served as The MAVEN Project’s Chief Medical Officer prior to taking on the role of Chief Executive Officer. Lisa received her BA from the University of Pennsylvania and received her MD and MBA from Tufts University.

Samrina Marshall, MD, MPH
Medical Consultant/Physician Leadership

Samrina Marshall is a physician executive with core interests in improving healthcare delivery and quality health outcomes particularly in underserved communities. Most recently she was the Chief Medical Officer for The MAVEN Project. Previously, she was the Medical Executive for Medicaid at Evolent Health leading the value-based care growth, implementation and operations of Medicaid health system partners across the country and developed a high-risk patient care model. She has served as the Chief Medical Director for Centene in California overseeing the medical services for over 200,000 Medi-Cal members where she was responsible for the quality of patient care and provider performance standards. Critical to that role was building relationships with key community partners and development of services such as telehealth to support the access needs of a largely rural population.

Joseph Meresman

Joe is a former healthcare entrepreneur, consultant, and operations executive focused on enabling healthcare and not-for-profit organizations transform in response to changing market and operational demands. He has helped launch both for-profit and non-profit start-ups. Consulting clients included Andersen Consulting (Accenture), Kaiser Permanente, other managed care providers and pharmaceutical companies. Operational positions at Kaiser Permanente included Assistant Regional Medical Center Administrator for operational innovation and Medical Center Administrator for South San Francisco. Joe holds a Harvard University MBA and a UC Berkeley engineering degree.

Richard Merkin, MD
Founder & CEO, Heritage Provider Network

Dr. Richard Merkin is the CEO and Founder of the Heritage Group, the largest physician-owned and operated integrated delivery system in the United States with over 50 related healthcare companies. Dr. Merkin serves on the Board of the California Institute of Technology and the Board of Trustees at the Keck School of Medicine at USC. Inspired by the X-Prize Foundation. Dr. Merkin launched the Heritage Health Prize, a $3 million global incentivized competition seeking to achieve a fundamental breakthrough in our ability to predict future hospitalization.

Russell S. Phillips, MD
Director, Center for Primary Care at Harvard Medical School

Dr. Russell S. Phillips, is Director of the Center for Primary Care at Harvard Medical School. He leads programs that are transforming education and care systems, and developing entirely new approaches to improving primary care and health. On the side, he is a primary care general internist at Beth Israel Deaconess Medical Center, caring for over 250 patients. A graduate of Massachusetts Institute of Technology and Stanford University School of Medicine, he is currently co-chairing an effort among primary care societies to bring together the primary care disciplines to consider ways that primary care can contribute to improved population health.

John Senaldi
Strategic Advisor/Business Coach/C-Suite Coach

John Senaldi has over 30 years of leadership experience in small thru large companies spanning multiple industries. He now focuses on providing strategic advisory and executive coaching services to help motivated leaders reach their full potential. Prior, John ran a number of businesses as CEO, President or GM. His earlier career experience provides John with a unique perspective, having led diverse functions (marketing, business development, R&D, manufacturing).

Recently, John helped three non-profit organizations through HBS-Community Partners, developing: a growth strategy for a student leadership organization, a communications strategy for a medtech provider of healthcare services, and a growth strategy for a provider of student leadership and governmental education.

John holds a BSEE from Trinity College (CT), an MSEE from RPI, and an MBA from Harvard Business School.

Amy Guggenheim Shenkan
Former President, Common Sense Media

Amy Guggenheim Shenkan is an experienced public company and private equity backed corporate director, public company officer, president, and former McKinsey & Company digital transformation leader.

Shenkan has held leadership positions in Mckinsey & Company, GE, Wells Fargo, Travelocity and Common Sense Media – working in and serving both digital disruptors as well as companies successfully undergoing a digital transformation in companies ranging from start-ups to $1B+ in revenues. Shenkan is recognized as an expert in digital transformations.

Shenkan’s corporate governance experience spans more than 8 years and she currently serves on boards tapping into her technology expertise.

Kelly Sudderth
Chief Operating Officer, Rocky Mountain Biological Laboratory

Prior to joining the MAVEN Project in 2016, Kelly was the Chief Financial Officer and Director of Institutional Advancement for The Chinati Foundation in Marfa, Texas. Previously she worked for Tesoro Corporation (NYSE: TSO) and Deloitte. She brings experience in nonprofit accounting/finance, strategic planning and fundraising. She is a certified public accountant and received her Master’s in Accounting (Magna cum laude with Honors) from Texas Tech University.

Erin E. Sullivan, PhD
Research & Curriculum Director, Harvard Medical School Center for Primary Care

Erin E. Sullivan, PhD, is the research and curriculum director at the Harvard Medical School Center for Primary Care. In this role, Erin leads the Center’s research program, where her team studies high performing primary care systems around the world. Erin also directs the Center’s evaluation efforts for the Center’s Advancing Teams Program and Primary Care Improvement Network. She holds a faculty appointment in the Department of Global Health and Social Medicine and co-directs the Physician as a Leader course for fourth year medical students. Erin also teaches in the MBA and Health Care MBA programs at Simmons University’s School of Business.

Prior to joining the Center, Erin worked at the Global Health Delivery Project at Harvard University, where she initially focused on developing a Master’s level global health curriculum before moving on to direct a series of mixed methods health systems studies focused on HIV, TB and malaria programs in resource-limited settings. She served as the qualitative methods expert for these studies, designing interview tools, focus group guides and analysis plans for her team and 14 partner institutions. This research yielded technical reports for academic and large international health institutions (e.g., WHO, UNAIDS).

While at the Global Health Delivery Project, Erin also co-directed the management seminar within the Global Health Effectiveness Program at Harvard’s School of Public Health and served as a faculty member for Global Entrepreneurship Lab GHD, MIT Sloan’s flagship international project-based class.

Erin holds a Bachelor of Arts in art history from Wellesley College and a PhD in business studies from Trinity College, Dublin.

Ronald Yee, MD, MBA, FAAFP
Chief Medical Officer, National Association of Community Health Centers

Dr. Yee received his medical degree from Oral Roberts University School of Medicine and completed his Family Practice residency and Chief Resident position through UC San Francisco, Fresno, CA. Ron was employed by United Health Centers in Parlier, CA, an eight-site Community-Migrant health center for over two decades. He obtained his MBA from Golden State University, San Francisco. Dr. Yee achieved the distinguished Degree of Fellow of the American Academy of Family Physicians in 2010. He served as faculty and team coach for two BPHC Patient Visit Redesign-Finance Collaboratives. Ron is a graduate of the National Association of Community Health Centers (NACHC) EXCELL Leadership Program, served on the NACHC board and was elected to the Executive Committee as Treasurer. He was a member of the National Advisory Council for the National Health Service Corps. Through his 20-year health center service, Dr. Yee has developed a passion for patient care and communicates a unique blend of clinical practice style efficiency care team focus, practical financial applications and organizational transformation. He accepted the position as the Chief Medical Officer for NACHC in 2013 and serves in the Bethesda, MD, office.

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