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Our Leadership Team


The leadership team of Starling Physicians is comprised of exceptional individuals who set the strategic direction, oversee quality, efficiency, and profitability, and work closely with the Board of Directors.

Tracy King

Interim Chief Executive Officer/Chief Administrative Officer

Ms. King joined our organization in fall of 2015 and plays a pivotal role in establishing company-wide clinical goals and quality standards to increase the value delivered to patients and the payer community, and to enhance the provider experience. She has over 25 years of healthcare management experience and previously served as Executive Director of the Hartford Physician Hospital Organization and as Vice President of Clinical Integration for Integrated Care Partners at Hartford Healthcare. As CAO, she serves as a trusted advisor to the physician leaders in all critical business areas of Starling Physicians. Ms. King earned her bachelor’s degree at Princeton University and an MBA with a concentration in finance and health economics at Stanford Graduate School of Business.

Michael Posner, MD, MBA

Chief Medical Officer

Dr. Posner is in practice as a general surgeon. He is a member of both the Starling and Grove Hill boards, and well as the lead of our Finance committee. Over the past two years, he has led the process of updating Starling’s overhead allocation policy and is a tireless advocate of Starling.

Gary Golliher, MBA

Chief Financial Officer

Gary joins us from the Hutchinson Clinic in Kansas where he served since 2015 as the CFO of a large physician-owned, multispecialty group practice with nearly 100 providers. There he led a 96-person team, overseeing ACO strategy, accounting, revenue cycle, contracting, IT, physician compensation, clinical quality, purchasing, decision support, and compliance.

Prior to his tenure at Hutchinson, Gary worked from 2008-2015 as Director of Healthcare Finance for Kelsey-Seybold Clinic and KelseyCare Advantage in Houston, Texas which was also a physician-owned, multispecialty group practice with 400 providers in 18 locations.

Gary graduated magna cum laude with a Bachelor of Arts in Economics from Western Washington University in Bellingham, WA in 1992. He received his Master of Business Administration degree from University of Washington in Seattle, WA in 1996.

Maryanna Polukhin, MD

Vice President of Primary Care

Dr. Polukhin practices as an internist in Newington. She is an innovative thinker who developed the Newington Integrative Medicine Center and is board certified in both internal and integrative medicine. She is a strong physician advocate and is a significant addition to the management team. She works with our internists to determine how Starling can provide optimal support for primary care. She currently is focused on optimizing our chronic care program, cultivating smart analytics for clinical practice, and developing stress reduction programs.

John Russomanno, MD

Vice President of Specialty Care

Dr. Russomanno practices pulmonary and critical care at Hartford Hospital and sees patients in Bloomfield, Farmington, and Wethersfield. Prior to Starling’s formation, he served as former president of the CMG branch and is a current Starling board member. His perspective and judgment are invaluable at this pivotal point for Starling as we enter a new era of growth and opportunity. In the short term, he will partnering with our specialty care providers to determine how Starling can best provide support for their different practice areas. He is currently helping in development with ambulatory surgery center options and improvement of referral patterns.

Madhavi Gorusu, MD

Vice President, CMG Branch

Dr. Madhavi Gorusu joined Connecticut Multispecialty Group, now Starling Physicians, in 2007 as a Hematologist and Oncologist. She is board certified in Internal Medicine, Hematology and Oncology. She serves as Assistant Clinical Professor at University of Connecticut and plays an active role in teaching residents and fellows. Dr. Gorusu guides student’s author good learning cases to be written and published. Her publications have been published for Lymphoma Myeloma Conference, ASCO abstracts, ASH abstracts, Cancer Genetics and Cytogenetics. Dr. Gorusu enjoys giving educational talks to the public and on several occasions has been invited by the Connecticut Leukemia Lymphoma Society to educate the community on various hematologic malignancies.

Dr. Arun Agarwal

Vice President, Grove Hill Branch

Dr. Arun Agarwal is a Cardiologist who joined the former Grove Hill Medical Centers in 2012. He is board certified in Internal Medicine, Cardiology, Echocardiography, and Nuclear Cardiology. He practices in New Britain. He is pleased to join the leadership team in February of 2019 as the Vice President of the Grove Hill Branch.