Rewind
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About Rewind

A healthier future, together.

We’re making evidence-based weight care more personal, accessible, and sustainable—helping people build healthier lives with the right support.

The Rewind team
Our story

Better care. Built around real life.

Rewind began with a focus on improving metabolic health through meaningful weight loss. Today, our approach embraces a broader understanding of weight care—combining medical expertise, personalized nutrition, and ongoing support.

Because lasting progress isn’t about following one path. It’s about finding the right approach for each person.

Rewind care in everyday life
Our clinical foundation

Grounded in science. Focused on people.

Our approach is informed by clinical research and real-world experience in obesity treatment and metabolic health.

14%Average weight loss1
72%of patients achieve more than 10% weight loss2
2 in 3patients with type 2 diabetes reach an A1C below 6.5%3
  1. Average weight loss among [population] at [time frame]. Source: Obesity Science & Practice, DOI 10.1002/osp4.70092.
  2. Share of [population] achieving more than 10% weight loss at [time frame].
  3. Among patients with type 2 diabetes, [population] at [time frame].
Our team

The people behind Rewind.

Meet the professionals, leaders, and advocates working together to make better health possible.

Clinical team

Physicians, registered dietitians, and clinical professionals

Team member portrait

Amy Rothberg, MD

Medical Director

Team member portrait

Marsha Novick, MD

Physician

Team member portrait

Tom Scott-Craig, MD

Physician

Team member portrait

Anna Siu, RD

Nutrition Director

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Catherine Nay, RD

Senior Dietitian Coach

Team member portrait

Kelli Shebby, RD

Senior Dietitian Coach

Team member portrait

Ashley VonHorn, RD

Dietitian Coach

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Christine Doshi, RD

Dietitian Coach

Team member portrait

Elizabeth Zawila, RD

Dietitian Coach

Team member portrait

Jenna Ehteshami, RD

Dietitian Coach

Team member portrait

Megan Brown, RD

Dietitian Coach

Leadership, support staff & ambassadors

The people leading, supporting, and championing Rewind

Team member portrait

Peter Thulson

Co-Founder, CEO

Team member portrait

Amarachi Onyebueke

Program Coordinator

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Daniel Fernández

Designer

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Cyriac Roeding

Co-Founder

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Marianne Udow-Phillips

Head of Public Health

Team member portrait

Bob Rizza, MD

Board Member, Former Chair of Endocrinology, Mayo Clinic

Team member portrait

Brian Reilly

Board Member, Managing Partner & Co-Founder, Will Ventures

Team member portrait

Desmond Howard

Ambassador, Super Bowl MVP & Former U-M College Football Heisman Trophy Winner

Team member portrait

Dawn Staley

Ambassador, Hall of Fame Basketball Coach & Player

Team member portrait

Jake Butt

Ambassador, Former NFL Players & U-M Tight End

Ready to take the next step?

Explore personalized weight care with Rewind.

Get started