Our Team


MACHAON Medical Evaluations' management team includes seasoned professionals who have extensive experience with medical evaluations and business development.

Contact: James Moriarty

James Moriarty, Founder and President


James Moriarty is the founder and president of MACHAON Medical Evaluations, Inc. His 25+ years in the medical evaluations industry includes leadership roles in marketing, sales, service and business development. James oversees all IME office operations and expansion of expert witnesses and IME healthcare professional rosters.


James holds a BS in Biology from The University of South Carolina Upstate, an EMT certificate from Spartanburg Technical College and a Masters degree in Health Administration from University of Washington.


Johna Shepherd, VP Operations


Johna is responsible for office operations for MACHAON. In addition, she directs the national sales and marketing efforts. From her 20-year career in Real Estate and Hospitality management, Johna brings her extensive experience in Sales Leadership, Training and Coaching.


Among Johna's most recent successes, she was recently honored with a Global Sales and Leadership Award and Sales Leader of the year award from Marriott International. She resides in Sammamish, WA with her daughter.


Contact: Johna Shepherd

Deborah Johnson, Scheduling and Physician Manager


Deborah has been with MACHAON for 10 years and is in charge of our Scheduling and Physician department. Her primary focus is finding the right expert for our clients and recruiting physicians.


Deborah resides in Kenmore with her husband and daughters. They are huge Seattle Sounders fans!


Deborah obtained her Bachelor’s degree in Law and Justice from Central Washington University.


Contact: Deborah Johnson

Jennifer Fields, Scheduling Coordinator


Jennifer is a recent transplant from Cedar Rapids, Iowa.  She joined MACHAON in November 2017 and works in our Scheduling department. She received her Bachelor's degree in Psychology from the University of Iowa.  


Jennifer resides in Capitol Hill and is enjoying all that Seattle has to offer!    






Antonia Spadoni, Scheduling Coordinator 

Bio coming soon

                                                                                                    Alicia Cheshier, Records Supervisor

Bio Coming soon