Senior Leaders

Aetna Medicaid’s senior leadership team brings together extensive backgrounds throughout the health care industry. Combining our collective expertise, we help those we serve achieve success.



Laurie Brubaker
Head of Aetna Medicaid



Mark Fisher
Regional Vice President
Arizona Region

Janet Grant
Regional Vice President
Great Plains Region

Kevin Hayden
Regional Vice President
Great Lakes Region

Mary Lou Osborne
Regional Vice President
East Coast Region




Dwayne Sansone
Vice President of Operations

Alonzo White
Vice President and
Chief Medical Officer


Donna Checkett
Head of Business Development/RFP



View Ruth Sirotnik photo


Denise Gallagher
Head of Dual Eligibles

Ruth Sirotnik
Head of Operations

Michael Maggipinto
Head of Strategy & Planning

Brenda Ellis
Head of Coventry Integration



Janeen Newhouse
Exec. Admin. Asst.

Robert Kessler
Vice President of
Legal Affairs

Debra Bacon

Stephanie Brewer
Head of Intercultural Engagement Strategies






Melanie Herring
Head of Compliance

Jay Roundy
Senior Manager Strategy & Product Management

Collette Mathe
Senior Human
Resources Partner