ACM - Key Persons


Lee Ann Griffin - VP

Job Titles:
  • Vice President
Embarking on her journey in the medical field as a teenager, Lee Ann acquired invaluable experience at a radiology office and billing service. Over the years, she cultivated extensive knowledge in all aspects of medical billing, honing expertise in multiple specialties. Since making the transition from beautiful North Idaho to California in 2001, Lee Ann has evolved to being the heart and leader of ACM's office. In your interactions with her, you'll find a professional with a wealth of expertise in insurance and billing. As the guiding force of the team, Lee Ann leads with precision, overseeing ACM's operations. Her commitment to excellence aligns seamlessly with ACM's mission, contributing to the shared success. Married since 1996, Lee Ann's dedication extends beyond the professional realm, where she finds joy in raising two wonderful daughters, Margie and Milla.

Lis Donaldson - Founder

Job Titles:
  • Founder
Lis currently resides in Carlsbad, California. She is the mother of 1 daughter, Samantha who is a self-admitted Bio Chemistry "dweeb". Beginning in the Chiropractic industry in her teens as a massage therapist, she gravitated toward billing and management in her early twenties. She founded ACM in 1988 and has successfully and proudly built ACM into the highest volume alternative medical billing service in the state. Lis enjoys cooking for friends and family, a good glass of wine, going to Mexico as often as possible and the "SAN DIEGO" Chargers.

Tera Warren - COO

Job Titles:
  • Director of Operations
Tera, a distinguished alumna of Long Beach State University, has devoted over two decades to the art of providing unparalleled service, guiding her clients towards the realization of their professional aspirations. Beyond the conventional, Tera carries with her the passion to not only elevate the experience for ACM's clients but to also facilitate the growth and prosperity of their practices. Her excitement stems from leveraging her wealth of knowledge to craft a customized path, ensuring each client not only thrives but flourishes, cultivating success that resonates beyond the bottom line. Tera's commitment extends beyond the office and to her home in Huntington Beach, where she finds joy in family life with her husband and three children.