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Executive Team

We’re proud to be part of the Esse Health Team that delivers patient-centric results by caring for patients of all ages throughout the St. Louis Metropolitan area. It is our personal goal to build a strong team of providers, technicians, and administrators so that Esse Health is your healthcare provider of choice. With professional development, effective management, inclusive board meetings, and a stable and growing workforce, we pursue this goal every day. Please meet the members of our executive team.

  • Mike Castellano, Chief Executive Officer – Letter from the CEO
  • David Hartenbach, M.D., Chairman of the Board
  • Rishi Sud, M.D., Chief Medical Officer
  • Elaine Baragiola, Vice President of Human Resources
  • Carla Moore Beckerle, DNP, APRN, ANP-BC, Vice President of Clinical Programs
  • Marylou Calzaretta, Corporate Counsel
  • David Kearney, Chief Financial Officer
  • Erin Stamm, MBA, RHIA, NCP, Chief Operations Officer
  • Tennille Kendrick, MBA, Vice President of Corporate Development

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