Meet Our Executive Team and Board of Directors

Sarah Latorre serves as President of Mass Advantage, bringing over 20 years of experience as a seasoned health care executive. With more than a decade of leadership at UMass Memorial Health, Sarah played a critical role in developing, launching, and expanding Mass Advantage. From shaping the original strategy to driving provider engagement and leading integration efforts, she has been instrumental in every phase of the plan’s growth and success.

Sarah's strategic insight, results-driven leadership, and deep understanding of both provider and patient needs uniquely position her to lead the organization into its next phase of innovation and expansion. Her intimate knowledge of the plan ensures a seamless leadership transition and continued operational excellence. Since the plan’s inception, she has served as its primary liaison, introducing providers to its unique offerings and spearheading integration efforts during the system’s transition to sole ownership.

Prior to joining UMass Memorial Health in 2011, Sarah worked at Goldman Sachs, where she led sales, marketing, and distribution for their Life Insurance and Annuity products.

Gayatri Natarajan serves as the Chief Financial Officer at Mass Advantage, overseeing the company’s financial operations and leading the IT and Product teams. In her role she emphasizes fostering cross-departmental collaboration to drive strategic growth and innovation.

With extensive experience in financial management, accounting, and operations, Gayatri has a proven track record of enhancing organizational efficiencies and driving profitability. Prior to her tenure at Mass Advantage, she held key leadership positions in various industries, including health care, heavy equipment, and cannabis testing. In these roles, she successfully implemented new systems, optimized financial processes, and collaborated closely with senior leadership to enhance profitability.

Gayatri holds an MBA in Finance and Marketing and has successfully completed her CPA examinations. Her unique combination of technical expertise, strategic vision, and leadership ensures that Mass Advantage continues to deliver exceptional value to its members while upholding strong financial discipline.
 

As Chief Medical Officer, Dr. Gennady Gelman oversees clinical strategy, quality improvement, and medical management operations at Mass Advantage. He brings experience as both a practicing family physician and a health plan leader, drawing on his work at Charlton MOB Family Practice in Charlton, MA. His career has centered on improving how care is delivered—helping clinicians provide high-quality medicine while reducing unnecessary complexity for patients and providers alike.

Throughout his work, Dr. Gelman has been a trusted advisor and collaborator across clinical, operational, and strategic domains. He is committed to empowering patients and removing barriers to care by building systems that are simple, compassionate, and effective. A board-certified family physician, he continues to practice clinically, ensuring that organizational decisions remain grounded in the lived experiences of both patients and providers.

Melissa Whitley leads the Medicare operations overseeing critical areas such as Enrollment/Eligibility, Medical Claims Adjudication, Utilization Management, Pharmacy Program Management, Call Center, and Supplemental Benefits.

With over 35 years of extensive industry experience, Melissa has worked across various segments, including Medicare, Medicaid, and Commercial lines of business. Over the past 15 years, she has focused her expertise on Medicare Advantage operations, holding leadership positions at two of the largest national Health Plans. In addition, Melissa’s leadership extends to her role as an executive at a start-up Medicare Consulting firm leading operational teams, client services and business development efforts.

During her tenure, Melissa led operational and performance enhancements while successfully securing $20M in business development and overseeing relationships with over 120 clients. Her expertise extends to merger and acquisition activities, capital investment budget management, IT business ownership, a business plan development, compliance risks identification and remediation, leading large scale transformation projects, effectively managing delegates and vendors. Melissa is also recognized as a thought leader and spoken at many industry conferences on a variety of Medicare compliance topics.

Melissa holds an MBA in Business Administration with a concentration on Executive Leadership from Strayer University. She is also certified in Health Care Compliance (CHC).