Our Team
Sigma Tactical Wellness, a TeleMed2U Company,is a multidisciplinary team of experts, including cardiologists, PhD researchers, veterans, and former law enforcement officers. Their collective experience and dedication drive the organization’s commitment to safeguarding the health of first responders.
To date, Sigma Tactical Wellness has served over 25,000 emergency responders across the United States. Sigma continues to set the standard in cardiovascular disease detection within the public safety sector.
Benjamin Stone, PhD
Brand Ambassador, Sigma
Jonathan Sheinberg, MD, FACC
Director of Cardiology, TeleMed2U
Lisa Sheinberg
Vice President of Operations, TeleMed2U
Craig Bettis
Co-Founder & Western Region Director of Sales
Vince Pallozzi
Eastern Region Director of Sales
Cassie Witt
Territory Manager
Nate Matatall
Senior Vice President of Sales Operations & Strategy