Athletic Trainer Biographies
Rachel Cruz, LAT, PES
Rachel received her bachelor’s degree in Athletic Training and a Social Science in Health minor from UW-Stevens Point. She has a special interest in performance enhancement and has been helping high school athletes increase their speed and agility through performance enhancement camps since 2004. She has been the Performance Camp Director of Athletic Edge in Door County since 2009. Rachel enjoys spending time with her husband and son, family, and friends.
Bill Herbst, PT, LAT
Bill received his Bachelor of Arts Degree with emphasis in athletic training from Carthage College in Kenosha, WI. He has been a certified athletic trainer since 1992. He received his Master’s Degree in Physical Therapy from Washington University in St. Louis, MO. He has been the athletic trainer at Gibraltar Schools since the 1995-1996 school year. In his free time, he enjoys exploring Door County’s state and county parks with his family.
Tina Koyen, LAT
Tina received her bachelor’s degree in Human Biology-Exercise Science from UW-Green Bay and her master’s degree in Sport Administration from UW-LaCrosse. Her professional interests are concussion management and performance enhancement. In her spare time, Tina enjoys golf, volleyball and spending time with family, friends and her dog, Byrdie.
Holly Ray, DPT, LAT
Holly received her bachelor’s degree in human biology with an emphasis in athletic training and exercise science from UW-Green Bay. She received her doctorate in Physical Therapy from Concordia University Wisconsin. Holly’s practice has focused on outpatients, inpatients, pediatrics and geriatrics but she has a specialty interest in sports medicine. She also works with the Southern Door School District as a pediatric Physical Therapist and Athletic Trainer. Holly enjoys spending time with her family and friends, outdoor activities and attending various sporting events.
Lauren Mulder, LAT
Lauren received her bachelor’s degree in Athletic Training at the University of Wisconsin – Stevens Point. Lauren's special interests are physician extending, and ACL prevention. While not at MDCMC Rehab Services she enjoys spending time with friends and family, reading and exercising. She recently completed her first half-marathon, and will soon complete her first triathlon with the Door County Divas.
Mary Volkmann, PT, LAT
Mary received her bachelor’s degree in Exercise and Sports Science with an emphasis in Athletic Training from Carthage College. She received her bachelor’s degree in physical therapy from Finch University of Health Sciences/The Chicago Medical School. She has been a certified athletic trainer since 1997. Mary has a special interest in orthopedics and sports medicine. She enjoys spending time with her family and participating in many different outdoors activities.
Contact us about Ministry Door County Medical Center Athletic Trainers:
Cherry Point Mall
1300 Egg Harbor Rd. - Suite #108
920-746-0410 or 800-236-1411