MedEncentive - Rewarding Better Health

MedEncentive is headed by experienced and knowledgeable health care leaders

Board Members

Jeff GreeneJeffrey C. Greene, president and CEO, is an inventor, entrepreneur and a leader in transforming health care. From 2005 to 2009, Greene was the recipient of the Innovator of the Year award an unprecedented 4 of 5 years.

Greene is well known for his passionate call to improve health care delivery and promote healthiness in constructive ways that draw on positive incentives, behavioral science, free-market principles, and good old commonsense.

innovator of the yearGreene developed his passion for public health from his experiences as the founder of a business that grew to become self-insured. This business, CompONE Services, happened to be one the leading medical practice management and billing firms in the country. While CompONE grew, Greene also taught practice management to residents at the University of Oklahoma Health Science Center. This gave Greene a unique vantage of the health and healthcare crises from the perspectives of providers who were his clients and students, consumers who were his employees and his family, and the insurer on behave of his self-insured business.

Greene is a Certified Executive through the American College of Medical Practice Executives. He was a guest instructor for eighteen years at the University of Oklahoma’s College of Medicine. He co-authored “Practice Management for Family Physician Residents”, published by the American Academy of Family Physicians. Greene serves on the Advisory Committee for the University of Oklahoma’s School of Industrial Engineering. He has also served in leadership positions and on boards of a number of other professional and charitable organizations throughout his career.

Prior to founding MedEncentive, Greene served as president and CEO of CompONE Services, Ltd. from 1987 until 2004. Early in his career, Greene worked as a process engineer for Procter and Gamble. He was also a reserve officer in the U.S. Army Corp of Engineers for fourteen years.

Greene attended the University of Oklahoma on an athletic scholarship where he was a record setting hurdler. His holds a bachelor’s degree in industrial engineering. He and wife Debby live in Norman, Okla. They are the proud parents of son Jess and daughter Sarah Beth.

H. Clifford Winburn, Jr., J.D., C.P.A. - Chief Financial Officer, Winburn was a co-founder of CompONE Services, Ltd. and served as CompONE’s Chief Financial Officer until 2004. Winburn is an attorney and certified public accountant with degrees in Business Administration and Juris Doctor from the University of Oklahoma. Prior to co-founding CompONE, Winburn served as CFO and Treasurer of Cotton Petroleum Corporation and tax manager with Arthur Young and Company, all in Tulsa, Oklahoma. Winburn also served as CompONE’s Chief Compliance Officer and is a charter member of Healthcare Billing Management Association.

Winburn has held a number of leadership positions in professional, civic and church organizations. He and his wife, Diana, are parents of two daughters and live in Tulsa, Oklahoma.

Dr. Parke Susan L. Chambers, M.D. – Dr. Chambers is co-founder and officer of Oklahoma City Gynecology and Obstetrics, L.L.C., which co-owns Lakeside Women's Hospital. Dr. Chambers is also, co-founder, medical director, and Board Member of MedEncentive, LLC.

A graduate of Southern Methodist University and the University of Oklahoma’s College of Medicine, Dr. Chambers completed residency training at University of Oklahoma 's College of Medicine, serving as Chief Resident.

Dr. Chambers is a Fellow of the American Board of Obstetrics and Gynecology and recertified four times. Dr. Chambers is a member of American Medical Women's Association, Oklahoma County Medical Society, Oklahoma State Medical Society, and American Medical Association. Dr Chambers has been or is currently Chairwoman/ President of Baptist Medical Center's Perinatal Committee, Western OK Chapter March of Dimes, Central Oklahoma Physicians Alliance (COPA), and March of Dimes Walk America. She also serves on the Advisory Board, Oklahoma Chapter Susan G. Komen Foundation and the Board of Directors, Oklahoma Chapter American Red Cross. Dr. Chambers has a special interest in caring for people in underdeveloped countries. She is past Chairwoman and current member of the Board of Trustees, World Neighbors. Dr. Chambers’ active participation in World Neighbors has taken her around the world several times caring for the sick and injured.

For her numerous accomplishments, charitable activities, and business successes, Dr. Chambers was selected Oklahoma's Woman of the Year in 2002.

Susan is embarrassed when her friends mentioned that she was homecoming queen at SMU. Susan is married to Dr. Kyle Toal, a thoracic surgeon. They have four children and live in Oklahoma City.

David D. Le Norman - MedEncentive investor. Le Norman is owner and manager of Le Norman Properties LLC. Since 1995, Le Norman has founded Le Norman Partners, Crusader Energy Corporation, Crusader Energy II, Crusader Energy III, Knight Energy Group, Knight Energy Group II, and Le Norman Properties. Le Norman is or has been President and CEO of a number of oil and gas companies, including Westside and Crusader Energy. Le Norman served as Senior Vice President of Patina Oil & Gas Corporation. Le Norman has nearly three decades of experience in the oil industry ranging from working in field operations as a roustabout, pumper, and as a rig hand on a workover rig. He held various engineering, business development and management positions with Texaco prior to founding Le Norman Energy in 1995.

Mr. Le Norman holds a B.S. in petroleum engineering from the University of Wyoming and an M.B.A. from Oklahoma City University, and completed master's work in chemical engineering at Oklahoma State University.


Jim DempsterJames L. Dempster, Director of Sales and Support. Dempster served as an Executive Director of CompONE Services, Ltd from 1999 to 2004. At CompONE, Dempster is credited with building Physician Direct, an Oklahoma-based PPO, from scratch to a provider network comprised of 4,600 physicians and 120 hospitals. In addition, Dempster directed Physician Credentials Verification Services, a primary source verification service, located in Tulsa, Oklahoma, and CompONE’s Managed Care Administrative Services.

With more than 20 years of experience in the healthcare industry, Dempster has served in various healthcare positions including Regional Vice President of CCN and Director of PPO Operations for CommunityCare Managed Health Plans in Oklahoma. Active in the managed care industry, Dempster is a licensed insurance broker and a past member of the Board of Directors for the State Health Underwriters Association of Oklahoma, a past Board member of the Council of Medical Services for the Oklahoma State Medical Association, and a member of the Oklahoma State Coverage Initiative Benefit Structure Workgroup.

Dempster received a bachelor’s degree in management and marketing from Kansas State University.

Robert W. Purser - Director of Software Development and Information Technology. Purser is the chief architect of the MedEncentive website applications. He also created and maintains the Company’s information technology and telecommunication infrastructure, including the Company’s data security systems.

After a stint in the U.S. Coast Guard, Purser joined Telefora as a software designer in charge of quality assurance and testing. Purser then joined Oklahoma City Realtor Association as the lead software developer and database administrator. He started his own consulting firm, Oklahoma Web Solution, before teaming with Greene, Winburn and Dempster at CompONE Services to launch MedEncentive.

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