Meet Our Team
The People Behind PSI
PSI was founded by leaders in psychedelic medicine and mental health care, uniting the expertise of the TRIP Center at Pacific Neuroscience Institute and the California Center for Psychedelic Therapy. With decades of combined experience in clinical research and care, our team is shaping the future of ketamine-assisted therapy and psychedelic clinical trials.


Our specialized team includes medical, psychiatric and mental health providers with a diverse range of personal and professional backgrounds. Our team is leading the research, development, and provision of psychedelic medicine and therapy in So Cal. Since 2015, our unique clinical expertise has refined new, safe, and effective treatment methods that help our clients and communities find relief and thrive. We are honored to be at the forefront of psychedelic medicine, working as uniquely specialized clinicians and partnering with other leading organizations to make an impact. We’re here to support your health.
Leadership Team
Daniel Kelly, MD
President & Chief Executive Officer

Keith Heinzerling, MD, MPH
Chief Medical & Science Officer

Brooke Balliett, LMFT
Chief Operating Officer

Micah Linton, PsyD
Chief Clinical & Innovation Officer

Gregory Kearns, MHA
Chief Strategy & Business Development Officer

Clinical Research Team
Leah Bedrosian, MPH
Clinical Project and Regulatory Manager

Oliver Goldsmith, BA
Senior Clinical Research Coordinator

Ashley Ramos
Senior Clinical Research Coordinator

Hollywood Team
Keith Heinzerling, MD, MPH
Chief Medical & Science Officer

Brooke Balliett, LMFT
Chief Operating Officer

Jose Fregoso, MSN, PMHNP
Psychiatric Mental Health Nurse Practitioner

Juliana N. Hudson, LCSW
Psychotherapist

Jamie Carrafa
Front Desk Coordinator

Oliver Goldsmith, BA
Senior Clinical Research Coordinator

Ramon Elizondo, RN
Registered Nurse

Santa Monica Team
Daniel Kelly, MD
President & Chief Executive Officer

Keith Heinzerling, MD, MPH
Chief Medical & Science Officer

Micah Linton, PsyD
Chief Clinical & Innovation Officer

Linnae Ponte, LMFT
Psychotherapist

Dayra Alamo
Front Desk Coordinator

Ashley Ramos
Senior Clinical Research Coordinator
