Executive Leadership Team

TRA Medical Imaging’s executive leadership team has years of experience in all aspects of practice management and medical facilities operations. The executive team believes that people are the key to continued success. To lead by example, they encourage constructive innovation from the staff and set high standards for themselves and the rest of the TRA Medical Imaging team. Competent, supportive leadership is a leading factor to our success, and one of the reasons TRA has enjoyed a reputation of excellence for over 100 years.

If you would like to reach a member of our Executive team, please call (253) 761-4200, option 1.

Dr. Seiler v2 Dr. Zima
Douglas P. Seiler, MD
President, Radiologist
Aaron Zima, MD
Vice President, Radiologist


Dr. Park Hartz MD, Douglas
Lawrence S. Park, MD
Treasurer, Radiologist
Douglas J. Hartz, MD
Secretary, Radiologist


Chris Coates v2
Chris Coates
Chief Executive Officer
Marcy Parsons
Chief Operating Officer


Sean Patten
Sean Patten
Director of Information Technology