Executive Team

The team at Proactive MD is passionate about the wellness of your team. We bring the right experience, talent and expertise to your organization. And we make improvements that last.

John Collier
John Collier President & CEO
Kevin Guion Chief Operating Officer
Mark Kimble
Mark Kemble, MD EVP of Medical Affairs
Troy Corley EVP of Service Delivery
Byron Revels
Byron Revels EVP of Growth Strategy
Leigh Ford National Director of Business Development & Communication
Phil Eskew
Phil Eskew, DO, JD, MBA VP of Clinical Development & General Counsel
Stephanie Saenz National Director, Provider Relations
Christi Coleman VP of Employer Engagement
Bob Masteller
Bob Masteller, MAHR, SPHR VP of Employer Engagement
Jeremy VanderKnyff, PhD Director of Program Value
Senthil Premraj VP of Information & Technology

Our Mission

Proactive MD is the home of innovative direct primary care and is passionate about helping people live healthier lives, partnering with employers, and driving down healthcare costs.

Our Vision

To elevate the standard of primary care by reuniting the physician and patient, removing obstacles to care, and reducing healthcare costs.

Our Values

Service minded. Character in everything we do. Passion about what we do. Empathy for all. Innovation through continuous improvement.