Tim Mertz Appointed as Head of Commercial Growth & Sales at HealthFitness
Tim Mertz joins HealthFitness to lead commercial growth and sales, bringing more than two decades of experience and a leadership track record at Trustmark.

The Move
- New role
- Head of Commercial Growth & Sales
- Company
- HealthFitness
- Previously
- Executive Director, Trustmark
- Announced
- November 12, 2026
By the Numbers: HealthFitness
- Years of experience
- 21
- Years at Trustmark
- 3
- Employees
- 3,524
- Sales team
- 154
Data: Crustdata, as of November 12, 2026
HealthFitness has appointed Tim Mertz as Head of Commercial Growth & Sales, putting a seasoned leader with more than two decades of experience in charge of the company's commercial agenda. Mertz joins from Trustmark, where they served as Executive Director.
Career Highlights
Mertz spent the past 3 years as Executive Director at Trustmark, according to Crustdata people data. The appointment keeps that experience within the same group, as HealthFitness describes itself as a Trustmark company.
The foundation was laid at UW-Stout Polytechnic, where Mertz started as Coordinator in 2005 and rose to Assistant Director over six years. A Master's degree in Exercise Physiology from Southern Illinois University, Carbondale adds academic depth that aligns closely with the fitness work at the heart of HealthFitness.
Why It Matters For HealthFitness
HealthFitness designs and manages comprehensive fitness solutions for leading companies and organizations, serving more than 180 clients at 400 sites nationwide. Founded in 1975 and headquartered in Lake Forest, Illinois, the company reports a 94% client satisfaction rate, a 95% client retention rate and an average client tenure of 10 years.
Crustdata company data shows a workforce of 3,524, up 5.1% over the past 12 months. Acquisitions have added further momentum, with deals announced for Professional Fitness Management in May 2024 and Corporate Fitness Works in October 2024.
What's Next
Based in the Greater Chicago Area, Mertz steps into the role in November 2026 as the commercial organization continues to expand. The sales team numbers 154 people after growing 6.9% over the past six months, and a business development group of 193 broadens the company's reach. Hiring remains active as well, with 310 job listings posted in the United States since August 12, 2026.
Hiro News tracks leadership moves across go-to-market teams every day. People, company and job data in this story comes from Crustdata.
Questions and Answers
Who is the new Head of Commercial Growth & Sales at HealthFitness?
Tim Mertz joins HealthFitness in the role in November 2026, bringing more than two decades of experience and a recent tenure as Executive Director at Trustmark.
What is Tim Mertz's background?
Mertz began at UW-Stout Polytechnic in 2005, rising from Coordinator to Assistant Director, and later spent 3 years as Executive Director at Trustmark. Mertz holds a Master's degree in Exercise Physiology from Southern Illinois University, Carbondale.
What does HealthFitness do?
HealthFitness designs and manages comprehensive fitness solutions for leading companies and organizations. The company serves more than 180 clients at 400 sites nationwide and employs 3,524 people.
· people and company records, retrieved November 12, 2026. Source: Crustdata.