Executive Team

Meet the members of the BMC HealthNet Plan Executive Team and Board of Trustees.

Executive Team


Heather Thiltgen, President

Heather leads and directs the overall financial and administrative operations throughout both BMC HealthNet Plan and Well Sense Health Plan. She works closely with state and federal government entities, regulatory groups, healthcare providers, and other external agencies to address the medical and social needs of our membership. Previously, Heather served as senior vice president of strategic markets for Medical Mutual of Ohio, the state’s oldest and largest health insurer. In that role, she oversaw all product lines, which drove over $1.2 billion in annualized premiums. In addition, Heather launched the company’s Medicare Advantage program in 2016, the largest new plan entrant nationwide that year. Previous to that she held senior leadership positions at CUNA Mutual Group, United Services Automobile Association, and the M/A/R/C® Group. Heather received her bachelor of arts from the University of Texas at Austin, and her master of business administration from Vanderbilt University.


Craig Bennett, Vice President and Chief Compliance Officer

Craig provides leadership for Boston Medical Center Health Systems' enterprise-wide Compliance program that includes oversight for Privacy, Billing, Pharmacy 340B, and Research and Conflict of Interest oversight for Boston Medical Center, BMC HealthNet Plan, and Boston University Medical Group. Prior to joining, Craig served as Vice President, Chief Compliance and Privacy Officer at Lahey Health System, a non-for-profit integrated health care delivery system. Craig also served as Director of Corporate Compliance at Beth Israel Deaconess Medical Center, and Director of Compliance and Privacy Officer at Boston Children’s Hospital, both not-for-profit teaching and research hospitals. Additionally, he is a Senior Lecturer at Northeastern University in Boston and teaches courses in Health Care Policy and Health Law.


Diana (Dee) Cruz, Chief Operating Officer

Diana (Dee) Cruz joined BMC HealthNet Plan in 2021 as the Chief Operating Officer. Dee is responsible for improving end to end operational processes that drive a better member experience. Prior to joining BMC HealthNet Plan, Dee initiated the Office of Consumer Obsession at Cambia Health Solutions where she employed Human-Centered Design/Lean methods and sponsored enterprise programs focused on reducing consumer effort and healthcare costs for members. As VP of Operations at Regence Blue Cross Blue Shield, Dee oversaw improved automation and data-science enabled payment integrity programs focused on reducing provider and member abrasion.  Dee has also held leadership roles at Cigna, in finance, operations, network architecture, and operating effectiveness. Dee received her bachelor’s degree in International Relations from Stanford University, and is a Six Sigma Black Belt.


Jim Collins, Chief Financial Officer

Jim joined BMC HealthNet Plan as Chief Financial Officer in December of 2019. Previously, Jim was Chief Financial Officer at DentaQuest/Delta Dental of Massachusetts for eight years where he was in charge of Finance, Corporate Strategy, and Data Analytics. In addition, Jim brings over 20 years of financial management experience in insurance and financial services with prior roles including Vice President, Financial Analysis and Management Reporting at Sun Life Financial and Vice President, Office of the Chief Executive at John Hancock Financial Services. Jim is a Fellow of the Society of Actuaries and received his BA from Dartmouth College.

Jeff-Hunt_-200x250  Jeff Hunt, Chief Product and Marketing Officer

Jeff joined BMC HealthNet Plan as Chief Product and Marketing Officer in September of 2020.   Previously, Jeff was the SVP of the Direct-to-Consumer Division and Head of Enterprise Marketing Operations at Mutual of Omaha, where he led marketing, sales, operations and project management groups that supported life and health products. 

Jeff’s previous roles include Partner of Fiduciary Services, Head of Consumer Programs, Vice President of Insurance Marketing and Distribution, Director of Brand, Positioning and Product Development, Director of Product Management, and Contact Center Director.   Jeff currently holds over 12 financial services designations and received his undergraduate degree in Organization Communication and Development from the University of Colorado before completing post-graduate programs at Cornell.

Kim Sinclair, Chief Information Officer

Kim, who has been with BMC HealthNet Plan since 2002, is responsible for providing leadership and strategic direction for the organization’s Information Technology division. She represents BMC HealthNet Plan in government and industry IT forums in which healthcare related topics are discussed and strategies defined. She is a key contributor to implementing and managing Medicaid and government programs, including national healthcare reform under the Affordable Care Act. Kim is a graduate of Providence College.


Ellen Weinstein, Chief Legal Officer

Ellen provides counsel to help BMC HealthNet Plan and Well Sense Health Plan achieve its ambitious vision for the members and communities it serves. She leads a team of lawyers charged with protecting the organization’s legal interests and advancing its business objectives, and is responsible for all legal matters including corporate governance, regulatory affairs, contracting and transactions, and dispute resolution. She has been with Boston Medical Center Health System since 2008. Ellen received a B.A. from Yale College, a J.D. from Harvard Law School, and completed a fellowship in medical ethics at Harvard Medical School.

Board of Trustees

David Ament, Managing Partner, Parthenon Capital Partners
Alastair Bell, Executive Vice President and COO, BMC Health System
James Blue, President, Alera Group
J. Ryan Carroll, Managing Director, Charlesbank Capital Partners
Stacy Cowan, CEO, SLC Advisory Services
Christopher Gordon, Managing Director, Bain Capital
Paul Mendis, MD, Former CMO, Neighborhood Health Plan
Jeffrey Schwartz, Managing Director, Bain Capital
Robert Sweet, Jr., Retired Partner, Foley Hoag
Mark Taber, Managing Partner, Great Hill Partners
Heather Thiltgen, President, BMC HealthNet Plan & Well Sense Health Plan
Kate Walsh, President and CEO, Boston Medical Center
Tarsha Weaver, COO, Codman Square Health Center

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