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Mary's Training Center

MEET THE TEAM

Meet our team of dedicated personal trainers, each equipped with a wealth of expertise and a passion for guiding clients towards their fitness goals. With a diverse range of specialties and backgrounds, our trainers bring a personalized touch to every session, ensuring that each individual receives tailored guidance and support on their fitness journey. From strength training to weight loss, rehabilitation to sports-specific conditioning, our team is committed to empowering clients to surpass their limits and achieve sustainable results. Get ready to embark on a transformative fitness experience with our esteemed personal training staff – your partners in health and wellness.

Owner, Certified Personal Trainer, and Nutrition Coach

Mary Schaefer Driscoll

MH&F Director of Operations

Sarah Alexander

MTC Team Lead, Certified Personal Trainer

Katie Kosovac

Certified Personal Trainer

Brock Kauffman

Certified Personal Trainer

Stefanie Cassel

Owner, Certified Personal Trainer, and Nutrition Coach

Mary Schaefer Driscoll

Mary is a 2000 graduate of Hershey High School. She graduated from Penn State University in 2004, where she played Field Hockey and studied Kinesiology.  Mary has been a certified personal trainer since 2004, and has helped thousands of individuals meet their fitness goals!  She is also an NCAA and International Field Hockey Umpire.  She opened Mary’s Health and Fitness in 2015, and enjoys training individuals at all fitness levels!

MH&F Director of Operations

Sarah Alexander

Sarah graduated from the University of North Carolina – Wilmington with her B.S. in Exercise Science. She has experience working with a wide range of client groups including Parkinson’s Disease, Athletes and Military Personnel. Sarah handles the social media accounts, membership sales and marketing for MH&F. She enjoys meeting new clients and helping them reach their goals by listening to their needs and matching them with the right membership.

MTC Team Lead, Certified Personal Trainer

Katie Kosovac

Katie is a Certified Personal Trainer through the American Council of Exercise (ACE). She was a two-sport collegiate athlete playing both soccer and basketball for Penn State Harrisburg where she earned a B.S. in Kinesiology. In her free time, she enjoys spending time with my family and friends.

Certified Personal Trainer

Brock Kauffman

Brock graduated from East Stroudsburg University in 2022 where he played baseball. While his time at ESU, Brock broke 6 school records and earned his degree in exercise science focusing in physiology. Brock has worked with clients ages 9 all the way up to 85 years of age. He also enjoys meeting new people of all ages and helping them reach their fitness goals!

Certified Personal Trainer

Stefanie Cassel

Stefanie is from Ontario, Canada. She graduated from Edinboro University in 2021 with her B.S. in Exercise Science and is a recent graduate of the University of New Mexico with her M.S. in Physical Education. Stefanie was a collegiate athlete, earning countless recognitions including x6 All American and 15 PSAC championship titles. She is currently training for the 2024 Olympic Trials.