About Us

Board of Directors


Sami Abbasi picture

Sami S. Abbasi
Chief Executive Officer

Mr. Abbasi has over 20 years of experience in healthcare services, including diagnostic imaging and surgery centers. Most recently, Mr. Abbasi was Chairman and Chief Executive Officer of National Surgical Care, Inc., Dallas, Texas, a venture-backed surgery center company that owned and operated 22 surgery centers in 11 states in partnership with over 400 physicians, generating $140 million of revenue. The company was acquired by Nashville-based AmSurg Corp. in 2011.

Prior to National Surgical Care, Mr. Abbasi served as President and Chief Executive Officer of Radiologix, Inc., a leading national provider of diagnostic imaging services. Mr. Abbasi co-founded Radiologix in 1996 and was instrumental in building the company from a creative idea to one of the nation's leading providers of diagnostic imaging services, with 70 outpatient imaging centers in seven states, 2,200 employees, over 300 affiliated radiologists and $250 million in revenue. He led Radiologix through its IPO in November 1997 and its sale to RadNet, Inc. in 2006.

Mr. Abbasi previously served as Chief Operating Officer and Chief Financial Officer of Adminiquest, Inc., a web-enabled, full-service outsourcing solutions provider to the insurance and benefits industry. Mr. Abbasi also was a Vice President in the Health Care Group of Robertson Stephens, Inc., with responsibility for investment banking business development and the execution of a broad range of corporate finance and M&A transactions. In addition, he has held various positions at Citigroup Inc., including Vice President and Senior Industry Analyst in the Health Care Group.

Mr. Abbasi also serves as Director and Chairman of the Audit Committee for Behringer Harvard Multifamily REIT I, Inc; as well as Director for American CareSource Holdings, Inc. (AMEX: XSI). Mr. Abbasi earned an MBA from the University of Rochester and a BA in Economics from the University of Pennsylvania.

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Marty Rash picture

Martin S. Rash
Board Member

Mr. Rash, a co-founder of APP, has over 30 years of experience in healthcare services. Mr. Rash is Chairman and CEO of RegionalCare Hospital Partners, Inc., a hospital company that he recently founded and for which he raised $300 million of equity from New York-based Warburg Pincus. Previously, he was Chairman and CEO of Province Healthcare Company, which he founded as a start-up in 1996 backed by Chicago-based GTCR. Under his direction, Province completed a successful IPO in 1998 and grew to 21 hospitals across the U.S. with revenues of nearly $1 billion by 2004 when it was sold to Lifepoint Hospitals, Inc. (NASDAQ: LPNT) for $1.7 billion.

Previously, Mr. Rash was Executive Vice President and COO at Community Health Systems, Inc. (NYSE: CYH). During his tenure there, he led the growth of the company from 10 to 41 hospitals in 17 states. Mr. Rash was an early investor in Odyssey Healthcare, one of the largest hospice companies in the U.S. and is currently a board member of HealthSpring, Inc. (NYSE: HS), a managed care organization. Mr. Rash was also past Chairman of the Federation of American Hospitals and the Nashville Health Care Council. Mr. Rash holds a bachelors degree and an MBA from Middle Tennessee State University.

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Mohamad Makhzoumi picture

Mohamad Makhzoumi
Board Member

Mr. Makhzoumi is currently a Principal at New Enterprise Associates (NEA) which he joined in 2005 to focus on investments in the healthcare services and healthcare information technology arenas. Mr. Makhzoumi sits on the Board of Directors for American Pathology Partners, Elements Behavioral Health, and Nova Medical Centers as well as being a Board Observer at BENU, Bravo Health, Simplex Healthcare and Vantage Oncology. In the past, Mr. Makhzoumi has also worked closely with CHG Healthcare Services and ppoNEXT.

Prior to joining NEA, Mr. Makhzoumi was an Associate with Summit Partners, Boston, Massachusetts, where he was one of fifty principals responsible for investing and managing over $5.5 billion in capital. Mr. Makhzoumi focused on growth equity investments ranging from $15 – $300 million, including Summit’s investment in Global Cash Access (NYSE: GCA). Previously, Mr. Makhzoumi worked with UBS Investment Bank where he was a member of the inaugural class for the UBS Los Angeles office as an investment banker in the financial sponsors and leveraged finance groups. Mr. Makhzoumi also interned as a summer analyst with the NEA healthcare team, focusing on investments in healthcare services, healthcare information technology and medical devices. He received a Bachelor's degree, with distinction, in international relations from the University of Pennsylvania. Currently, Mr. Makhzoumi serves as a founding board member of the Lance Armstrong Foundation’s Young Leadership Cancer Council.

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Richard Whitney picture

Richard Whitney
Board Member

Mr. Whitney joined New Enterprise Associates (NEA) in January 2007 as Venture Partner focusing on healthcare investments. He is the founder and Managing Member of Whitney Capital LLC, a private equity investment firm focused primarily on healthcare services and products.

Previously, Mr. Whitney served as Executive Chairman of Specialty Laboratories, Inc. where he led the turnaround and successful sale of the company to AmeriPath, Inc. Earlier, he served as Chief Financial Officer of DaVita, Inc. (NYSE: DVA), the largest operator of kidney dialysis centers in the U.S. with over 1,300 facilities. During his tenure there he was a lead executive in the company’s financial and operating turnaround which created over $3 billion of equity value for investors. Mr. Whitney earned an MBA from Harvard Business School and a BS in business administration from Pennsylvania State University.

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