Greater Pottstown Tennis Association

Tennis is a lifetime sport

We are a non-profit USTA Community Tennis Association (CTA). We provide low cost tennis programming in the Greater Pottstown area.

Greater Pottstown Tennis Coaches

Chris Herdelin-Head Pro

Chris has over twenty-five years of tennis instruction, with positions including Director of Tennis at Radnor County Club, Head Tennis Professional at Radley Run Country Club, Assistant Men's Tennis Coach at Temple University, and coach of the boy's and girl's tennis teams at William Penn Charter School. Most relevant to the GPTA, Chris was a Director of High Performance at the Arthur Ashe Youth Tennis Center in Philadelphia, where programs focus on exposing disadvantaged youth to lifetime tennis play. He currently trains and coaches several area youth who have sectional and national rankings. Chris is eager to access the growing group of youth in the Pottstown area that has recently been introduced to the sport. He has traveled to the Orange Bowl, Easter Bowl and International Grass Court Tournaments with his top players. Chris was ranked as high as #8 nationally in men's 30 singles. Chris' passion is instruction and development of adolescent and teen tennis players and identifying stellar players. He is a graduate of Eastern University in Philadelphia where he was a Division III All-American. Chris will be primarily responsible for on-court tennis instruction and player development at Greater Pottstown Tennis Association.


Kerriann Herdelin-Director

Kerriann has been teaching tennis for over twenty years with an emphasis on pre-teen youth, and she is an early expert in the 10 & under tennis programs. Kerriann is primarily responsible for scheduling, event planning and administering the tennis programs to be conducted at Greater Pottstown Tennis. Kerriann is a graduate of Niagara University with a Bachelor’s degree in Elementary Education, and she was awarded a Master’s degree in Special Education and is working towards her Principal Certification. She was a Division I scholarship tennis player and is PTR Certified. Kerriann was the Head Woman's Coach at The Hill School. Kerriann has grown Greater Pottstown Tennis 800% in three years.


Maryellen Wilson-Administrative Manager

Maryellen is PTR Certified for Adult Development and 10 and Under Tennis. Maryellen has over 40 years of tennis playing experience. As the Administrative Manager of Greater Pottstown Tennis, she manages program registrations, communications, website content and Leagues organization. Maryellen is a graduate of the University of Delaware and played four years of Division I Varsity tennis for the Blue Hens earning MVP honors. For several years, Maryellen was the Assistant Coach for the Boys' and Girls' Varsity tennis teams at Pottsgrove High School.


Ira Watts

After retiring from a 25 year career as a Pennsylvania State Trooper, Ira Watts became PTR Certified. He has received USTA training in 10 and Under Tennis and attended the Community Tennis Development Workshop. Certified to teach all ages and abilities, he has taught children as young as 3 years to senior citizens. Ira is the head pro at Brookside Country Club, the Head Coach for the Girls' Varsity tennis team at Pottstown High School and coaches for the Pottstown Middle School After-school program. For several years, Ira was the Head Coach for the Boys' Varsity tennis team at the Hill School.

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