Wassell sr Jeffrey

“Mark was very professional and instantly made a difference with his training It was the best hour training in all my sons workouts ”

Geoffrey Lockyer

“Mark was tremendous working with four 9U pitchers. He explains the mechanics to them in a way they understand and can apply. Great experience. ”

Kate

“We are so thrilled we found Mark, he’s improved my son’s pitching IMMENSELY in a short time, and is also just the most likeable guy. Highly highly recommend!!”

Luke Cavanagh

“Mark has a great way about him and gets straight to the details that matter; very clear and easy to understand and helped my player make almost immediate progress. Highly recommend a session with him!”

Reid Slutzky

“Fantastic pitching coach who is great with young players. He has a great way of teaching the fundamentals while keeping things fun and engaging. Highly recommend him to any young player looking to develop their skills and confidence on the mound.”

Kyle

“My son has really enjoyed working with Mark. He connects well with my son and prioritizes arm health, which I appreciate.”

Patrick Bolger

Shannon

“Mark did a great job with my 9 yo. He was thorough but was able to put instruction into context even a 9 yo could grasp. I saw positive changes in just 1 session! Thank you Mark!”

Chad Stecker

“My 10U baseball team did pitching lessons with Mark. He was fantastic with the boys and even signed a few autographs for them. His instruction was excellent and the improvement of the boys' pitching mechanics was obvious. We'll be using him for future lessons and I highly recommend him for others.”

Joe Murphy

“My son has worked with Mark for the first time this winter. Going into this season his confidence is very high. Mark has a great way of communicating and developing trust. Highly recommend.”

Chris M

“Mark is extremely knowledgeable and professional. He identified minor needs within the first 15 minutes of my son‘s workout and immediately started making adjustments. My son is so excited to see how far Mark’s expertise can take him! We couldn’t be happier.”

Scott Ferguson

“Mark is an elite coach and trainer with a unique ability to connect with students of the game at all ages. ”

Fred Steigerwalt

“Great start to focus on mechanics. Thanks, Mark”

John McDevitt

“My son Kieran attended Mark's pitching lab on 12/29/25. I was very pleased with Mark's timely and insightful pitching feedback. I have recommended Mark to others on Kieran's Whitpain 11u team. ”

Kirtan Kalapatapu

“Always an amazing lesson with Mark. He is the best pitching coach!”

Christine Rezer

“My son loved it, I loved it! Very Professional, also very welcoming! Coaching top notch. The work was very intentional, and we left with an action plan to work on at home, as well we, video clips of our sons session/ progress, a diagram and video of home exercises for pitching. Thank you Mark! ”

Rebecca

“My son's pitching velocity and mechanics have greatly improved with consistent pitching sessions with Coach Mark. I highly recommend for any pitcher looking to get stronger, improve his mobility, and become an overall more powerful pitcher.”

John Trongo

“Great experience my son loved it . Mark was awesome with him.”

Landon Weber

“Great instructions. Clearly loves what he does and is very knowledgeable ”

Cole Feldman