About Us

InSite Health is redefining outpatient psychiatry for children and adults. InSite provides local communities access to in-network, high quality psychiatric care. We meet patients where they are: at home, at school, or at one of our convenient locations.

We offer mental health care to families, schools, nonprofits, colleges and organizations throughout New Jersey. InSite also offers preventative mental health training and programming for school districts.

InSite Health logo

Leadership Team

Christopher Gaeta

Christopher Gaeta

Chief Executive Officer
Nassir Ghaemi, MD, MPH

Nassir Ghaemi, MD, MPH

Chief Medical Officer
Ty Abonil

Ty Abonil

Chief Product Officer
Andrew Fullmer, MBA

Andrew Fullmer, MBA

Chief Financial Officer
Ken Wolstenholme

Ken Wolstenholme

Chief Information Security Officer
Stacey MacPaintsil-Ostrom

Stacey MacPaintsil-Ostrom

Psychiatric Provider
James Rossi

James Rossi

VP of Sales & Partnerships
Andy Inman

Andy Inman

VP of Marketing & Communications

Advisory Board

Sabrina Braham, MD

Sabrina Braham, MD

Stephen Klasko

Stephen Klasko

Dr. Marnie McCoy

Dr. Marnie McCoy

Mason Plumlee

Mason Plumlee

Andrew Zalasin

Andrew Zalasin

Ankur Desai, MD

Ankur Desai, MD

Nathan Carroll

Nathan Carroll

Have questions? Contact us and our team will get back to you as soon as possible.

Christopher Gaeta

Chief Executive Officer

Christopher Gaeta served as the Chief Executive Officer at Grapefruit. The company grew to service more than 250,000 patients across the nation as a leader in end-to-end campus wellness. Gaeta also has served as a venture capital associate specializing in healthcare investments for VU Venture Partners.

A contributor to CNBC, U.S. News & World Report, and Yahoo Finance, Gaeta has amassed one of the largest LinkedIn networks in the country for digital healthcare.

He was named a top Gen Z Venture Capitalist by Business Insider and nominated to the Philadelphia Business Journal’s Under 25 inaugural list.

Currently, he leads InSite Health as the Founder and Chief Executive Officer. InSite is a venture-backed healthcare company redefining the delivery of mental health care for underserved communities.

Nassir Ghaemi, MD, MPH

Chief Medical Officer

Dr. Ghaemi oversees training and continuous quality improvement for all therapists and psychiatrists at the organization. An academic psychiatrist, author, and Professor of Psychiatry at Tufts University School of Medicine in Boston, he has written several books on mental illness and mood disorders, and has contributed to many scientific journals and other published works. Dr. Ghaemi serves on a number of editorial boards of psychiatric journals, is a Distinguished Fellow of the American Psychiatric Association, and is the former chairman of the Diagnostic Guidelines Task Force of the International Society for Bipolar Disorders (ISBD). 

Ty Abonil

Chief Product Officer

Ty Abonil joins InSite as our Chief Product Office. He has over 20 years of product and technology professional experience, most recently leading the technology team at Atria.  He’s held senior roles at Fortune 500s and startups, and has a master’s degree in computer science from the Georgia Institute of Technology and an MBA from IE Business School. Ty loves hiking and the outdoors, fixing his motorbike every other day, and flying in and around general aviation locales in the North East.  He is based out of Philly where he lives with his fiancee and pup.

Andrew Fullmer, MBA

Chief Financial Officer

Mr. Fullmer holds a BA in Accounting and an MBA from the University of Utah.  He is a licensed CPA in the state of Utah.  He has over fifteen years of experience in executive finance roles in various industries.

Ken Wolstenholme

Chief Information Security Officer

Mr. Ken Wolstenholme began his career in Healthcare after his honorable discharge from the United States Air Force in 1998. During his military career, he maintained Aircraft Mounted Computers on the A-10, KC-135 and C-141 aircraft in the United States as well as Saudi Arabia during Desert Shield and Desert Storm. After leaving the military, Ken worked his way up in the civilian sector in the Finance industry, then moved to Healthcare in 2005. Since that time, Ken has continued to lead technology services as well as serving as an Operations Leader for various Healthcare companies. His areas of expertise include Telehealth, EMR Systems, HIPAA\HITECH, Credentialing, Provider Acquisition and Onboarding, Billing and general Healthcare Technology.

Stacey MacPaintsil-Ostrom

Psychiatric Provider

Stacey MacPaintsil-Ostrom joins Insite Health with over 25 years of experience in behavioral and psychiatric/mental healthcare, in all aspects of service; ranging from direct supportive staff, to registered nurse (RN), and advanced practice nurse (APN).  After receiving her Bachelors of Arts (BA) in psychology, Bachelors of Science in nursing (BSN), and Masters in Science in nursing (MSN) from Rutgers: The State University of New Jersey, Stacey has been dedicated to providing quality care for her patients and supporting care takers.  As an RN at Kennedy Health (now Jefferson) working with acute psychiatric patients, and an APN at Bancroft, providing medication management for the Autistic and intellectual/developmental disabilities populations, her knowledge and her use of the multidisciplinary team dynamic ensures patient care is comprehensive.

James Rossi

VP of Sales & Partnerships

James Rossi is the Vice President of Sales & Partnerships for InSite Health, a leading healthcare technology company. James has 9 years of experience in the sales industry, and 5 years experience in healthcare. He has a proven track record of driving revenue growth, building successful partnerships, and leading sales teams. Prior to joining InSite Health, James worked in the pharmaceutical industry, where he was responsible for sales, business development, management, and strategy planning. He is a South Jersey native who graduated from Kutztown University and holds a degree in Business Administration. James is passionate about using technology to improve healthcare outcomes and is committed to helping InSite Health continue to drive innovation in the industry.

Andy Inman

VP of Marketing & Communications

Andy received his bachelor’s degree from Missouri Western State University. He spent the first 5 years of his career working with minor league baseball affiliates of the Houston Astros and Cleveland Guardians. Since 2018, he has served in marketing positions and as a consultant for a number of organizations including direct-to-consumer brands, sports teams, and health technology startups.

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Please fill out the Book an Appointment form and our team will be in touch to schedule your appointment the same business day.

We were recently informed that a large provider of outpatient psychiatric care discharged patients from care due to their discontinuation of services. InSite currently has the availability to accommodate new patients via telehealth or in-person.