These are our communities. Our loved ones. Our futures. That’s why we fight.

Strength in team

We're a team of doctors, coaches, entrepreneurs, engineers and athletes. Our backgrounds and stories vary widely.Our reason to be on Team Rewind is the same.

Meet the team

Care led by science.
Built for real lives.

Rewind brings together physicians, registered dietitians, clinical operators, and public health leaders — alongside people who’ve lived this journey themselves. We’re united by one goal: helping people move forward with evidence-based care, practical guidance, and support that works in the real world.

Dr. Amy Rothberg

Medical Director

Leads clinical innovation and medical strategy to optimize metabolic health and sustainable weight loss.

Dr. Tom Scott Craig

Rewind physician

Guides members through personalized medical care focused on reversing chronic conditions.

Marsha Novick, MD

Rewind Physician

Delivers compassionate, evidence-based care specializing in obesity medicine and pediatric health.

Anna Siu, RD

Lead Dietitian Coach

Oversees nutritional protocols and leads the coaching team to drive lasting health results.

Ashley VonHorn, RD

Dietitian Coach

Focuses on behavioral psychology and intuitive eating to build a healthy relationship with food.

Catherine Nay

Dietitian Coach

Expert in navigating the intersection of clinical nutrition and chronic disease reversal.

Jenna Ehteshami, RD

Dietitian Coach

Empowers members with education on macronutrient balance and glucose management for energy.

Kelli Shebby

Dietitian Coach

Combines clinical expertise with coaching to help members achieve lasting lifestyle shifts.

Megan Brown

Dietitian Coach

Uses 'food as medicine' to tailor strategies that improve gut and metabolic health.

Amarachi Onyebueke

Program Coordinator

Angelina Schiffres

Clinical Ops Lead

Oversees clinical operations, ensuring seamless care delivery across teams.

Cyriac Roeding

Co-Founder

Daniel Fernández

Designer

Marianne Udow-Phillips

Head of Public Health

Peter Thulson

Co-Founder, CEO

Ben Gideon

Ambassador, Former NFL & Michigan Linebacker

Dawn Staley

Ambassador, Hall of Fame Basketball Coach & Player

Desmond Howard

Ambassador, Super Bowl MVP & Michigan Heisman Winner, ESPN Analyst

Jake Butt

Ambassador, NFL Tight End & Former Michigan Tight End

Levon Kirkland

Ambassador, Former NFL & Clemson Hall of Fame Football Player

Bob Rizza, MD

Board, Former Chair Of Endocrinology, Mayo Clinic

Brian Reilly

Board, Managing Partner & Co-Founder, Will Ventures