Company Leadership

Executive Team

Experienced management team


Chief Dog

Ellie is a 12 year old Cavachon who oversees general operations with a focus on treat distributions and deskside companionship. She has 12 years of experience being alive and graduated with honors from having Mark take her on longer walks than necessary.

Mark DeCourcy

Founder & CEO

Mark DeCourcy is Founder & CEO of Ellie Diagnostics. He is passionate about helping animals live longer, healthier lives by sharing his diagnostic expertise with the Veterinary industry. Prior to founding Ellie, he was VP of Finance & Strategy at True Health where he oversaw mergers, acquisitions and integrations.

Mark holds an MBA and Masters of Science in Finance from The University of Texas at Dallas, and a BS from Texas Tech University with majors in Finance and Economics.

In partnership with his Medical Advisory Board and dedicated clinical team, Mark is committed to bringing your business refreshingly simple diagnostics testing.


Ellie offers an entrepreneurial environment where our employees are our top priority. We are constantly looking to add to our team.