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Meet The Executive Team


Leeba Lessin photo

Leeba Lessin

CEO, CareMore Health System
Leeba Lessin has provided leadership to CareMore for 10 years.  As CEO she guides the strategy of the company in geographic and product expansion.  Ms. Lessin’s passion for health care redesign has resulted in innovations in care for the elderly, the frail, and those who receive health care via government programs.  She has over 28 years of experience in primary care practice and managed care, working for such organizations as PacifiCare Health System, Monarch Health System and United HealthCare. Ms. Lessin is a native of Southern California and received her BA degree from Westmont College in Santa Barbara and her MBA from the University of Washington.  She serves on the Board of the National Committee on Quality Assurance.  In addition to health care, her interests include arts education and experience for youth

Sachin Jain

Sachin H. Jain, MD, MBA

Chief Operating Officer and Chief Medical Officer
Dr. Jain is board certified in internal medicine by the American Board of Internal Medicine. He graduated magna cum laude from Harvard College with a B.A. in government, continued on to earn his M.D. from Harvard Medical School, and an M.B.A. from Harvard Business School. While completing his medical residency at Brigham and Women's Hospital, he maintained a faculty appointment at the Harvard Business School and remains affiliated as a senior institute associate at the school's Institute for Strategy and Competitiveness.

Prior to joining CareMore, Dr. Jain served as Chief Medical Information and Innovation Officer at Merck & Co, where he developed global partnerships to leverage health data to improve patient health. He also served as an attending hospitalist physician at the Boston VA-Boston Medical Center and a lecturer in healthcare policy at Harvard Medical School.

From 2009-2011, Dr. Jain pursued government service at the US Department of Health and Human Services, where he was senior advisor to the administrator of the Centers for Medicare and Medicaid Services (CMS) and helped launch the Center for Medicare and Medicaid Innovation (CMMI). He also served as special assistant to the National Coordinator for Health Information Technology at the Office of the National Coordinator for Health Information Technology (ONC), supporting the agency's implementation of the HITECH Provisions of the Recovery Act and meaningful use. Dr. Jain is co-founder and co-editor-in-chief of the Elsevier journal Healthcare: The Journal of Delivery Science and Innovation.

In Dr. Jain's role as Chief Medical Officer for CareMore he has operational responsibility for clinical staff and CareMore care centers. He is charged with developing and leading strategy to expand next-generation care management and the care delivery model nationally.

Mike Plumb

Michael Plumb

Chief Financial Officer
Michael Plumb has over 20 years of experience in the healthcare industry and has been with CareMore since 2010. As Chief Financial Officer, he is responsible for all corporate finance and accounting activities and operations nationally. Additional accountabilities include CareMore products and services and leadership of the actuarial and underwriting operations for the organization. Prior to joining CareMore Mr. Plumb held various executive and consulting positions at other healthcare companies including United Healthcare, PacifiCare and Kaiser Health Plan. He holds a Bachelor’s Degree from the University of California, San Diego in Economics and a Master’s Degree in Business Administration from The Haas School of Business in Berkeley, California.

Robert Lonardo

Robert Lonardo

Chief Development Officer
Rob Lonardo has over 30 years of experience as a Healthcare executive, including his position as Vice President of the Medicare IPA Division at FHP Health Care (acq-United Health Group), and Senior Vice President of Government Programs and National Accounts for Blue Shield of California. In Mr. Lonardo’s current role he is responsible for the company’s growth and development. Prior to Mr. Lonardo’s return to the company in 2013, he also served as CareMore’s Chief Executive Officer between 2004-2007. Mr. Lonardo received his BS in Business Administration from Youngstown State University in Youngstown, Ohio and a Master’s in Business Administration from California State University Long Beach, California.