Staff Directory for River Crossing YMCA

Jim Tyrrell serves the Doylestown community and is a Certified Personal Trainer with a specialization in TRX for golf. As an active golfer, swimmer and cyclist, he brings real world experience into his training, helping clients improve strength, mobility and performance both in sport and everyday life.

Tami Unger joined the YMCA in 2016 as an Early Childhood Director and quickly expanded her leadership to include Camp, School-Age, and Food programs. She is passionate about building strong relationships with families and ensuring community needs are met through Y services. Now Branch Director at the Allentown Branch, Tami holds a degree in Early Childhood Education from East Stroudsburg University. She also serves as a Professional Development Specialist with the Council for Professional Recognition and volunteers with the Girl Scouts. Tami lives in Lehigh County with her husband, six children, three grandchildren, a dog, and a cat.

Candi Van Wagner serves the Doylestown community and has been an AFAA Certified Personal Trainer since 1997. She also holds certifications in mat Pilates, nutrition and senior health. As a three time cancer survivor, Candi brings a deeply personal and inspiring perspective to her work, helping clients build strength, resilience and confidence through every stage of their wellness journey.

Certifications: 

AFAA
AFA Senior Health Certified

Diana began her YMCA journey in 2017 with the Stay and Play program, building strong connections with families. Her passion for wellness led her to become a Zumba instructor, energizing participants and organizing events at the Nazareth branch. She later transitioned into the membership department, advancing to Membership Coordinator and deepening member engagement. Her leadership and dedication earned her the role of Director of Operations, where she further strengthened programs and initiatives. In 2025, Diana was appointed Branch Director of the Nazareth YMCA. She continues to lead with passion and purpose. Diana lives in Nazareth with her husband and son.

Marissa was a previous Upper Bucks YMCA gymnast for 6 years. She began her coaching career in 2015. She has a Occupational Therapy Assistant, with a specialty in Brain Injury Rehab. In addition to coaching, she works for a chiropractor part time.