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Leadership Team

Headshot of Acuity Eye Group co-founder Tom Chang MD smiling on a grey background

Tom Chang, MD

Founder & Managing Partner

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Headshot of Acuity Eye Group co-founder Michael Samuel smiling on a grey background

Michael Samuel, MD

Founder & Chief Medical Director

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Executive Leadership Team


Randall Odzer


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Jeff Cho

Chief Operations Officer

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Drew Harbur

Chief Legal Officer

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Chas Schlaack

Chief Financial Officer

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Lori Shaw

Chief People Officer


Jeff Shore

Chief Strategy Officer

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Alan Guargliardo

Chief Information Officer

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Operations Leadership Team

Hong Nguyen.png

Hong Nguyen

Vice President, Surgery Centers

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Laurie Solari

Vice President, Optical

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Marlana Rivera

Vice President, Field Operations

Michael Davis, retina specialist at Acuity Eye Group

Michael Davis, MD

Fellowship Educational Director

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Sharon Dyer, Optometrist at West Coast Eye Care and Acuity Eye Group

Sharon Dyer, OD

Director, Optometry

Headshot of Pia Rios

Pia Rios

Executive Director

Directors of Nursing & Surgery Centers


Lydia Moldanado

Nancy Montigny

Nancy Montigny

Susi Khan Director of Nursing

Susi Khan


Nicole Murphy

Director, Sugical Scheduling

Directors of Field Operations


Adriana Cruz

Director of Field Operations -     San Diego

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Cindy Gonzales

Director of Field Operations - LA


Eddie Arreola

Director of Field Operations - Desert & Inland Empire

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Jenny Wang

Director of Field Operations - Orange County

Leaders of Optical Operations


Lindsey Bernard

Senior Director of Product and Merchandising

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Rose Garcia

Director of Optical Operations - Desert, IE, OC

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Elizabeth Mortz

Director of Optical Operations - Los Angeles


Barbara Perfecto

Director of Optical Operations - San Diego, Imperial Valley

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Nicholas Jimenez

Manager, Operations Projects

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Dustin King

Manager, Marketing

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Human Resources


Michael Griffin

Recruiter, Physician


Adriana Lopez

Human Resources Manager

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Information Systems

Angie Berber Director of Call Center

Angie Berber

Director of Contact Center

Headshot of Brett Harris

Brett Harris

IT Field Manager


Henry Tran

IT Systems Manager

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Jonathan Cohen

Director of Information Systems and Technology

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Samantha Hofstad of Acuity Eye Group

Samantha Hofstad Chi

VP of Finance & Accounting


Vladimir Coca

VP, Financial Planning & Analysis

Legal & Compliance


Allan Kellogg

Associate General Counsel

Sheri Alley Credentialing Department of Acuity Eye Group

Sheri Alley

Director, Provider Credentialing

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Terry Marchillo of Acuity Eye Group

Terry Marchillo

Director of Legal Operations

Our clinical leadership team is made up of 18 physicians who mentor our doctors and drive the clinical culture in our practices.