A graduate of the University of Michigan and Midwestern University-Chicago College of Osteopathic Medicine, Dr. Tessler completed his residency at Bostford General Hospital in Michigan. He completed both a research fellowship in Gastrointestinal Oncology and a Fellowship in Gastroenterology at Henry Ford Hospital in Detroit, Michigan.

He has been in practice since 2005 and is a member of the American Gastroenterological Association, American Osteopathic Association, American College of Gastroenterology, and the American College of Osteopathic Internists. He is a published author and is Board Certified.

A native of West Bloomfield, Michigan, Dr. Tessler is married and has two children. He enjoys basketball and bicycle riding.