Optimal Weight for Life (OWL) Program | Meet our Team


Medical 

David Ludwig, MD, PhD
Founder and Senior Physician

Amy Fleischman, MD, MMSc
Director

Melissa Crocker, MD
Director, Type 2 Diabetes Program

Maryanne Lewis, MSN, PNP-BC
Robert Markowitz, MD

Clinical Nutrition

Katelyn Castro, MS, RD, LDN
Leslie Mattimore, MS, RD, LDN
Suzanne Rostler, MS, RD, LDN
Sharon Weston, MS, RD, LDN (lead dietician)

Behavioral Medicine

Lori Fishman, PsyD
Amanda Rauf, PsyD
Abigail Seibert, PhD (lead psychologist)

Administration

Steven Coletti
Resource Specialist

Joyceanna Fidalgo
Ambulatory Clinic Supervisor

Katelyn Castro, MS, RD, LDN
Program Coordinator, OWL Exercise Programs

Dynaria Broadway-Jones
Program Coordinator

Melissa Crocker, MD, MBA

Melissa Crocker, MD, MBA

Program Director, Type 2 Diabetes Program; Attending Physician, Division of Endocrinology, Instructor in Pediatrics, Harvard Medical School
Amy Fleischman

Amy Fleischman, MD, MMSc

Assistant in Medicine, Division of Endocrinology; Director, Optimal Weight for Life (OWL) Program; Assistant Clinical Director, Ambulatory Endocrinology, Assistant Professor of Pediatrics, Harvard Medical School
David Ludwig

David Ludwig, MD, PhD

Director, New Balance Foundation Obesity Prevention Center; Attending Physician, Divsion of Endocrinology, Professor of Nutrition, Harvard School of Public Health; Professor of Pediatrics, Harvard Medical School
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Robert Markowitz, MD

Attending Physician, Division of Endocrinology, Instructor in Pediatrics, Harvard Medical School
Erinn Rhodes

Erinn Rhodes, MD, MPH

Attending Physician, Division of Endocrinology, Assistant Professor of Pediatrics, Harvard Medical School