450 Research Dr, Suite B, Leominster, MA 01453


Jim Herrick

Owner / Director Of Athletic Development

Jim has been training athletes since 1998 in the role of personal trainer, team strength coach, and owner of Power Source Training Center.

His career stops have taken him from local gyms (Orchard Hills & Global Fitness) to elite sportscenters (MVP Sports Centers in Irvine, CA) to schools (Cushing Academy, St Bernard’s HS, Leominster HS) before opening Power Source in 2010.

Jim’s career highlights include:

Certifications held through the NSCA (Certified Strength & Conditioning Specialist), NASM (Performance Enhancement Specialist), and IYCA (Level II Speed & Agility Specialist plus 4 more certifications)2014 IYCA Coach of the Year finalistWorking with over 200 athletes who went on to play college sports, including more than a dozen who continued on to the NBA, NHL, NFL, MLS, and OlympicsWorking with thousands of other kids who played high school sports, middle school sports, or simply wanted to be as fit and healthy as possible.

Patrice Harvey

Adult Fitness Specialist

Looking for a coach who knows what it’s like to take that scary leap into a workout program?

That was where Patrice was in 2014 as she signed up for our 6 Week Transformation Challenge.She went through all the challenges of doubting her abilities, to dealing with the exertion she initially thought she couldn’t get past, just like so many of us who know exercise is good for us but fear failing at it.

Fast forward to 2019, when Patrice had 5 full years of workout experience under her belt and had become one of the hardest working people in our program!We asked her if she’d be willing to help cover some adult group classes, and the rest is history!

She discovered that her passion for her own fitness was nothing compared to how much she wanted to help other people overcome their fears of transformation.Building on her UMass-Amherst degree, Patrice became an AFAA Certified Personal Fitness Trainer & Group Fitness Instructor.And that was only the beginning, as you’ll regularly hear her talk about the latest course or program she’s been studying to improve her game.

Participants in our adult classes rave about her creative workout design and motivational atmosphere.

Patrice is going to help you through your journey, but she is also going to challenge you to get to where you want to go!

Jeff Flowers

sports performance coach

We are fortunate to have one of the top local sports coaches and youth mentors working with us part-time. Jeff has coached baseball, football, and basketball in Leominster and some surrounding communities for over 30 years. In that time he has positively impacted the lives of thousands of kids, many of whom still fondly remember their time playing for him decades ago.

‘Coach Flowers’ is a legendary name for those who grew up playing sports in this town during the 80’s and 90’s. Most of the week he works as a manager at JobCorps in Ayer, MA, but we are fortunate to have him on our staff for Fridays.

As upbeat and energetic as any coach you’ll ever meet, no one is better than Coach Flowers at making a kid feel great about themselves.

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