Get to Know our Senior Leadership

EMH’s leadership team collectively offers decades of experience in mental health care. Explore the biographies of our management team and see our blog and news sections for their perspective on current mental health care topics.

Management & Clinical Directors

Ari Kalechstein Ph.D.

President and CEO

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M Feng 2023

Michelle Feng Ph.D.

Chief Clinical Officer

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Freddy Lopez

Director of Operations

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John Lee Ph.D.

Assistant Chief Clinical Officer

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Dylan Harwood Ph.D.

Director of Neuropsychological Services

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Po-Haong Lu Psy.D.

Assistant Director of Neuropsychological Services

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Brian Wu M.D

Director of Psychiatric Services

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Lorraine Leskin Ph.D.

Neuropsychology Supervisor

Earl Thorndyke Ph.D

Neuropsychology Supervisor

Jennefer Ho Ph.D

Senior Clinical Manager

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Allison Hefley

Clinical Manager

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Partner Facility & Community Liaisons

Penelope Gallegos

Director of Business Development
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Laly Bascao

Northern CA Liaison Supervisor


Angela Dones

Community Nurse Liaison


Jessica Quintal

Director of Human Resources

Melendy Britt

Director of Marketing

Cecilia Yanez

Billing Manager

Sam Rubio

Billing Supervisor

Lawrence Pagsanjan-Hernandez

Device Technician Supervisor