Dr. Haas, a board-certified orthopedic surgeon, specializes in sports medicine. He completed his undergraduate studies at Yale University and was awarded his medical degree from Albert Einstein College of Medicine. He performed his residency in orthopedic surgery at Montefiore Medical Center and completed a sports medicine fellowship at Boston University Medical Center. There he took care of the Boston University Intercollegiate Athletic Program, including the Top 10 ranked hockey team.

He has been a lifelong active athlete, from collegiate soccer to 30 years of racing marathons and triathlons. He was the head orthopedist at the Toughman Triathlon Championships and has worked as a physician at the Boston Marathon, U.S. Figure Skating National Championships and the NCAA Division I Men's Hockey Championships.

Dr. Haas has been the team physician for multiple collegiate and high school athletic programs. In addition to caring for athletes, he has run seven marathons, and raced dozens of triathlons, including the Ironman World Championships in Hawaii.

He joined Westmed Medical Group, which is now Summit Health, with Orthopaedic Associates of Stamford. He is affiliated with the Specialty Surgery Center of Connecticut, Greenwich Hospital and Stamford Hospital.