Leadership

Mark Masselli
Mark Masselli (he/him)

Founder, President & CEO

Margaret Flinter, PhD, APRN
Margaret Flinter, PhD, APRN (she/her)

Senior Vice President & Clinical Director

April Joy Damian, PhD, MSc, CHPM, PMP
April Joy Damian, PhD, MSc, CHPM, PMP (she/her)

Vice President and Director, Weitzman Institute

Daren Anderson, MD
Daren Anderson, MD (he/him)

Founder and President, ConferMED

Kerry Bamrick, MBA
Kerry Bamrick, MBA (she/her)

Executive Director, Consortium for Advanced Practice Providers

John Ephraim Butt, MEd, MHRM
John Ephraim Butt, MEd, MHRM (he/him)

Executive Director, The National Institute for Medical Assistant Advancement (NIMAA)

Jorge Martin Acevedo, Esq.
Jorge Martin Acevedo, Esq. (he/him)
Karen L. Ashley, Ed.D
Karen L. Ashley, Ed.D (she/her)

Director of Education, Weitzman Institute

Lisa Avellino
Lisa Avellino (she/her)

Chief Information and Technology Officer

Nicholas Ciaburri
Nicholas Ciaburri (he/him)

Director of Business Intelligence

Leslie Gianelli, JD
Leslie Gianelli, JD (she/her)

Vice President, Communications

Marwan Haddad, MD, MPH
Marwan Haddad, MD, MPH (he/him)

Medical Director, Center for Key Populations

Kasey Harding, MPH
Kasey Harding, MPH (she/her)

Director, Center for Key Populations

Meredith Johnson, MBA, MHA, PMP
Meredith Johnson, MBA, MHA, PMP (she/her)

Chief Operating Officer

Karoline Oliveira, Ed. D
Karoline Oliveira, Ed. D (she/her)

Chief Diversity, Equity & Inclusion Officer

Jason Pniewski, CPA
Jason Pniewski, CPA (he/him)

Chief Financial Officer

Amanda Schiessl
Amanda Schiessl (she/her)

Chief of Staff

Kathi Tourjee
Kathi Tourjee (she/her)

Vice President, Human Resources

Grace Wang, PhD
Grace Wang, PhD (she/her)

Director of Research, Weitzman Institute

Jessica Welt, PsyD
Jessica Welt, PsyD (she/her)

Vice President of Development