Leadership

Mark Masselli (he/him)

Founder, President & CEO

Margaret Flinter, PhD, APRN (she/her)

Senior Vice President & Clinical Director

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

Chief Scientific Officer and Director, Weitzman Institute

Jorge Martin Acevedo, Esq. (he/him)

Karen L. Ashley, Ed.D (she/her)

Director of Education, Weitzman Institute

Kerry Bamrick, MBA (she/her)

Executive Director, Consortium for Advanced Practice Providers

Mary Blankson, DNP, APRN, FNP-C, FAAN (she/her)

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

Nicholas Ciaburri (he/him)

Director of Business Intelligence

Veena Channamsetty, MD (she/her)

Chief Medical Officer

Leslie Gianelli, JD (she/her)

Vice President, Communications

Marwan Haddad, MD, MPH (he/him)

Medical Director, Center for Key Populations

Kasey Harding, MPH (she/her)

Director, Center for Key Populations

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

Chief Operating Officer

Cassandra Okechukwu, ScD, MSN, MPH (she/her)

Director of Research, Weitzman Institute

Karoline Oliveira, Ed. D (she/her)

Chief Clinical Excellence Officer

Jason Pniewski, CPA (he/him)

Chief Financial Officer

Amanda Schiessl (she/her)

Chief of Staff

Kathi Tourjee (she/her)

Vice President, Human Resources

Jessica Welt, PsyD (she/her)

Vice President of Development

Madison Wilson (she/her)

VP for Strategic Partnerships and Collaborations