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Our Team

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 leads the on-site team for MACHAON. While her main focus is business development and operations in the Pacific Northwest, she also directs the national sales and marketing efforts. From her extensive career in Real Estate and Hospitality management, Johna brings to MACHAON her extensive experience in Sales Leadership, Training and Coaching.


Johna resides in Issaquah, WA.


Natalie Christner, Assistant Manager

Natalie joined MACHAON from a sales and paralegal background. She achieved her bachelor's degree in Journalism from Seattle University.  Natalie's affable nature and excellent skillset makes her the perfect advocate for our clients, while scheduling even the most difficult cases. 


Natalie resides in Seattle with her kitten, Chopstick. 






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