Dennis Tirman


Dennis Tirman was formerly a Partner with Mercer Delta Consulting, where along with Executive Coaching work, he was practice leader for the integration of mergers and acquisitions. Dennis has also held the positions of Director of Leadership and Organization Development at Chiquita Brands International and Senior Consultant positions for the Rohm and Haas Company, and Automatic Data Processing.

Currently, Dennis serves on the Advisory Board for the ELOC Masters Program within the Haile/US Bank College of Business at Northern Kentucky University. He has lectured at Columbia University Teachers College and has presented at the Conference Board in NY. Dennis has contributed to works on Executive Leadership, most notably, Relationships that Enable Enterprise Change. Dennis is currently conducting research on his passionate interest regarding the intersection of economics and spirituality.


  • B.S., University of Cincinnati
  • M.S., Organization Behavior, American University – Washington, D.C.
  • With additional training at:

  • Gestalt Institute of Cleveland
  • National Training Labs
  • Institute of Strategic Management
  • Taos Institute

Healthcare Clients

  • SSM Healthcare
  • Mercy Health (formerly Catholic Health Partners)
  • Martin’s Point HealthCare
  • Choice Care Humana
  • Pfizer
  • Mercer Human Resources
  • Quest Diagnostics

Fortune 500 Clients

  • Johnson Controls
  • UBS Financial Services
  • Siemens
  • International Paper

Dennis lives in Newtown, Ohio, with his wife Joan. While not working, Dennis enjoys walking, hiking, professional and amateur sports, and live theater.