Meet Oscar Health's leadership team

Oscar Health named former Aetna CEO Mark Bertolini its next chief executive, effective April 3. Here is more information about Mr. Bertolini and the other executives that make up the insurtech company's leadership team according to the company's website and their LinkedIn pages: 

Mark Bertolini, CEO.  Mr. Bertolini was Aetna's CEO from 2010 until the company's acquisition by CVS Health in 2018. He most recently served as co-CEO of Bridgewater Associates, the largest hedge fund in the world. He has been a strategic advisor to Oscar for the past 18 months.

Mario Schlosser, president of technology. Mr. Schlosser has served as Oscar's CEO since co-founding the company in 2012. With Mr. Bertolini's arrival, he is transitioning to president of technology. He remains on the board of directors. He previously co-founded the largest social gaming company in Latin America. He also served as a senior investment associate at Bridgewater Associates and worked as a consultant for McKinsey & Co. in Europe, Brazil and the U.S. 

R. Scott Blackley, chief transformation officer. Mr. Blackley oversees the company's  operations, +Oscar business and corporate strategy. He previously served as Oscar's CFO from March 2021 through December 2022. 

Alessa Quane, executive vice president and chief insurance officer. Ms. Quane joined Oscar in March 2021 after a 25-year career at AIG, most recently serving as executive vice president and chief risk officer. 

Neetu Rajpal, chief technology officer. Ms. Rajpal oversees Oscar's fully cloud native distributed software stack and the IT infrastructure. She previously served as chief product officer and chief technology officer at Conductor. 

Ranmali Bopitiya, chief legal officer. Ms. Bopitiya oversees the company's legal, risk and government affairs functions. She previously served as chief legal officer for Everside Health. 

Jesse Horowitz, chief product officer. Mr. Horowitz is responsible for developing the company's product strategy and road map. He has been with Oscar since 2014. He previously held operational and product positions at EnerNOC. 

Rebecca Krouse, chief people officer. Ms. Krouse has been with Oscar since 2018. She previously held security and senior operational roles at Bridgewater Associates. 

Fausto Palazzetti, senior vice president and chief actuary. Mr. Palazzetti has been with Oscar since 2014. Prior to joining the company, he served as managing actuary for Visiting Nurse Service of New York.

Steve Wolin, COO. Mr. Wolin leads the development and execution of Oscar's service organization, insurance operations, population health, pharmacy services, behavioral health, and virtual care. Before joining Oscar in 2020, he served as head of corporate strategy and strategic partnership for Optum. 

Kiki Louis, MD, president of Oscar Medical Group. Dr. Louis oversees clinical operations for Oscar Health. Before joining the company, she served as vice president of medical operations for the Mountain Region at Concentra. 

Sid Sankaran, interim CFO. Mr. Sankaran is serving as Oscar's interim CFO; he served as full-time CFO from February 2019 to March 2021. He has served as a member of the company's board of directors since February 2021. 

Sean Martin, MD, chief medical officer. Dr. Martin was appointed chief medical officer in March. He joined Oscar Health in 2016, serving in various clinical leadership roles at the company. He was previously the chief medical officer of Seremidi, a startup health tech platform. 

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