Management Team

Noel J. Guillama - President & Chief Executive Officer
Mr. Guillama is a nationally recognized expert in healthcare management and operations. He has participated in a number of public companies as merchant banker, principal shareholder, founder or strategic advisor; primarily in healthcare, construction, real estate and technology. Read more

Donald B. Cohen - Executive Vice President & Chief Financial Officer
Mr. Cohen is a co-founder of The Quantum Group, Inc. and serves as Executive Vice President and Chief Financial Officer, as well as on the Board of Directors. He has extensive experience in information systems and start-up ventures.
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Susan Darby Guillama - Executive Vice President &
Chief Administrative Officer
Mrs. Guillama, co-founder of The Quantum Group, has extensive experience in consulting, human resources and facilities operations. Her accomplished background encompasses a wide range of businesses, and she has guided the career and personal development of thousands of individuals. Read more

Ronald S. Smith - Senior Vice President, Corporate Development
Mr. Smith joined the Company in 2007 having served as a consultant to the Company for the year prior.  Mr. Smith has 38 years of extensive business experience, 12 of which have been focused in the healthcare industry, and now leads the Corporate Development efforts for The Quantum Group of Companies, focusing on mergers and acquisitions and strategic development; as well as leading the development and operations of The Quantum Agency and QMed Solutions.
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