Ob Hospitalist Group Founders

David C. Swain
Executive Chairman and Co-founder

Executive Management

Leonard (Lenny) Castiglione
Chief Executive Officer
Kevin Krenzke
Chief Financial Officer
Marc L. Kerlin
Chief Growth Officer
Mark N. Simon, MD, MMM, CPE
Chief Medical Officer
Traci Bowen
Chief Human Resources Officer
Christie Cook Buchholz
Vice President of Program Value and Strategy
Barbara Fry
Vice President of Hospital Operations
Tama LeBlanc
Vice President of Information and Technology

Clinical Leadership

Charlie Jaynes, MD
Senior Director of Medical Operations
Nicholas Kulbida, MD
Medical Director of Operations
Jane van Dis, MD, FACOG
Medical Director for Business Development
Susie Kady Wilson, MD
Medical Director of Operations
Charles Rollison, DO, MHA, FACOOG
Medical Director of Operations
Sue Smith, MD
Medical Director of Operations
Rakhi Dimino, MD
Medical Director of Operations
Alissa Erogbogbo, MD
Medical Director of Operations
Don Toatley, MD
Medical Director of Operations
Amy VanBlaricom, MD
Medical Director of Operations
Stephen T. Bashuk MD
Medical Director of Operations