Who We Are – HQ Team

HQ Team

Walk with a Doc is made up of healthcare provider and walking enthusiasts around the globe who are driven by an earnest belief that walking is the miracle drug destined to change the world. At WWAD World Headquarters you’ll find a small but mighty team who is lucky to be inspired by a network of walking fanatics and healthcare heroes every day.

David Sabgir, MD, FACC

Founder & Cardiologist
Pronouns: He, Him, His

David went to Miami of Ohio for undergrad, Medical College of Ohio for medical school, and served his internship, residency, and fellowship at The Ohio State University Medical Center. He is a full-time cardiologist with OhioHealth in Columbus, Ohio, and still leads a local Walk with a Doc chapter on Saturday mornings at a local park. David is married to Kristin and has two children (Ally and Charlie) and 2 poodles (Phoebe and Henry).

Connect with David on LinkedIn

Carrie Callas, MA

Executive Director
Pronouns: She, Her, Hers

Carrie holds a BS in Business Administration (Marketing) from Indiana University and an MA in Social Service Administration from the University of Chicago. She has nearly two decades of leadership experience in nonprofit organizations. Carrie has always had a passion for health and wellness and truly believes in the vast benefits physical activity can have on both physical and mental health. Carrie lives in the Chicago area with her husband Steve, two kids (Peter and Sienna) and her westiepoo, Bear.

Connect with Carrie on LinkedIn

Rachael Habash, MA

Chief Operating Officer
Pronouns: She, Her, Hers

Rachael graduated from the University of Michigan (Go Blue) with a B.A. in Psychology. She then served in the United States Army as a Medical Service Officer prior to earning her M.A. in Counselor Education at OSU. The prospect of utilizing her professional experience as a leader, resource manager and program innovator while encouraging healthy physical activity, is what initially attracted her to WWAD. Now that she better understands the impact of the miracle drug (walking) and the vast number of people served by WWAD, she’s hooked! It’s almost as addicting as her girls’ (Grace and Nora) smiles…

Connect with Rachael on LinkedIn

Bryan Romey

Program Manager
Pronouns: He, Him, His

Bryan was lucky enough to get paired with Walk with a Doc for a class project during his final semester at The Ohio State University in 2017. He graduated with a B.S. in Health Sciences and was thrilled to find out that an intern position had opened up at WWAD. After eight months as an intern, he joined full-time and now spends his days changing the world by supporting our incredible Walk leaders and walkers. Outside of the office, he enjoys playing basketball and golf, helping at the Columbus Dream Center, and walking with his wife Shannon and Schnoodle Izzy.

Connect with Bryan on LinkedIn