People
Corporate Leadership
Marc Samuels, JD, MPH
CEO and President
Chris Wittwer, MBA
Chief Financial Officer
Marci Mutti, MBA
Senior Vice President and Head, Advisory Services
Marcia
Sajewicz
Chief Administrative Officer Solutions and Operations Leadership
Michael Beebe, MA
Executive Vice President
Lindsay Bealor Greenleaf, JD, MBA
Head of Federal and State Policy
Caitlin Sheetz, MPH
Head of SAVEs
Mary Roberts, MPH
Senior Vice President, Market Access Strategy
Yana
Volman
Head of Market Access Biopharma 
Melyssa
Nocar
Head of Marketing and Communications 
Ben
Shand
Head of Business Development Federal and State Policy
Lindsay Bealor Greenleaf, JD, MBA
Head of Federal and State Policy
Tom Kornfield, MPP
Senior Advisor
Kip Piper, PhD
Senior Advisor
Zack Friend, MPH
Senior Associate
Matt
Salo
Senior Advisor 
Tara Southwell, JD
Director
Brenna Raines, MHA
Senior Director
Tyler Seville, MPA
Senior Manager
Allison Schneider, MHA
Senior Manager
Heena Doshi, MPH
Manager
Anna Prokop, MA
Manager
Charles
Sewell
Associate Reimbursement
Michael Beebe, MA
Executive Vice President
Matt
Salo
Senior Advisor 
Tracy Acheampong, MPH
ManagerMarket Access
Mary Roberts, MPH
Senior Vice President, Market Access Strategy
Yana
Volman
Head of Market Access Biopharma 
Michael
Barlow
Senior Advisor 
Louis Jacques, MD
Senior Advisor
Michael Kolodziej, MD, FACP
Senior Advisor
Norris Turner, PharmD, PhD
Senior Advisor
Shefali Shah, MPH
Senior Advisor
Sherie Smalley, MD
Senior Advisor
Samantha Freeze, MS, CGC
Director
Alicia Silver, MPP
Director
Kalli
Glanz
Senior Manager 
Salwa Masud, PhD, MSBME
ManagerStrategic Analytics and Value Economics
Caitlin Sheetz, MPH
Head of SAVEs
Leeza Osipenko, PhD
Senior Advisor
Peter Kardel, MPsych
Chief Data Scientist
Melinda Rossi, MPH
Researcher
Justin Weiss, MPH
Researcher
Eunice Chang, PhD
Chief Statistician
Sarah Gibbs, MPH
Director
Irina Yermilov, MD, MPH, MS
Senior Director
Ashis Kumar Das, PhD, MD, MPH
Director
Marian Tarbox, MPP
Senior Research Project Manager
Amanda Speller, PhD
Associate Director
Hannah Mattson, MPH
Senior Project Manager
Cynthia Campos, MPH
Senior Researcher
Dylan Davis, PhD
Senior Data Scientist
Michael Broder, MD
Chief Economist
Heidi De Souza, MPH
Senior Data Scientist
Jason Maynard, PhD, MPH
Senior Data Scientist
Johanna Celli, MPsych
Data Scientist
Irene Varghese, MSBHP
Data AnalystSales and Marketing
Melyssa
Nocar
Head of Marketing and Communications
Ben
Shand
Head of Business Development 
Will
Burchenal
Director 
Keith
Knutzen
Senior Director 
Elizabeth
Barkley
Senior Account Manager 
Marianne Eagan Burrows, MSc
Director
Antonio
Garcia
Associate Operations
Chris Wittwer, MBA
Chief Financial Officer
Marcia
Sajewicz
Chief Administrative Officer 
Karyn
Larkin
Senior Executive Assistant 
Derek
Starzynski
Accounting Supervisor 
Gaby Cazares, CPA
Controller
Jared
Samuels
Manager Vice President, Global Health Economics and Market AccessADVI is my go-to resource for health policy and reimbursement consulting. They are knowledgeable, responsive, and efficient on a range of Med Tech coverage, coding, payment, and policy issues. They provide clear and actionable advice, and always look ahead for policy activities that may impact our business. ADVI is also very well connected and has been particularly adept at connecting us to the right contacts on issues, including key Medicare and US private payer decision makers. I recommend ADVI highly.
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