Staff
Contact Information:
Sports Medicine Phone: 641-673-1293
Team Doctor Phone: 641-621-1390
Abu Ibrahim, MBL, LAT, ATC, CSCS, is in his seventh year as the Assistant Athletic Director for Sports Medicine. He also serves as Associate Athletic Director.
Ibrahim came to WPU from Wayne State College in Nebraska where he served more than two years as an Assistant Athletic Trainer. He was the trainer for the WSC football and women’s basketball teams his first two seasons.
No stranger to Oskaloosa, Ibrahim was a Graduate Assistant Athletic Trainer at William Penn from 2013-2015 while earning his Master’s of Business Leadership degree. While at WPU, he worked directly with six sports and also offered his services for the North Mahaska High School football team.
A 2013 graduate of Northeastern University in Massachusetts with a degree in Athletic Training, Ibrahim completed clinical rotations at Northeastern, Harvard University, Eastern Nazarene College, and at the high school and junior college levels while at the Reggie Lewis Track and Athletic Complex. He also has three years of experience in outpatient physical therapy with Sports and Physical Therapy Associates in Massachusetts.
Ibrahim has been Athletic Training Board Certified since 2013 and is a member of the National Athletic Trainer's Association. He is currently a Licensed Athletic Trainer, and maintains a certification as a Red Cross/CPR AED instructor. He is also a Certified Strength and Conditioning Specialist.
Ibrahim, who was named the 2024-2025 Heart of America Athletic Conference Athletic Trainer of the Year, resides in Oskaloosa with his wife Elise, a WPU alum, their son Zayn, and their daughter Sierra.
Natasha Schmitter, MSM, ATC, LAT, is in her seventh year as an assistant in the Sports Medicine department. She works primarily with women’s volleyball, men’s wrestling, and men’s lacrosse.
Prior to her time at WPU, Schmitter worked at Graceland University from 2013-2016. She then took time away from the profession and worked at Cambridge Investment Research from 2016-2019.
A 2025 graduate of William Penn with a Master's of Sports Management degree, Schmitter graduated in 2010 from Western Illinois University with a degree in Kinesiology centered in Athletic Training. She has additional experience working in physical therapy clinics, high school outreach, and within an orthopedic surgeon’s office.
Schmitter has been Athletic Trainer Board Certified since 2010 and is a member of the National Athletic Trainer's Association (NATA). She was also a member of the Career Advancement Committee for the Iowa Athletic Trainers Society from 2021-2023 and is currently on the Honors and Awards Committee and the Connection and Engagement Committee for the IATS. Schmitter is also a member of the Mid-America Athletics Trainers Association (MAATA) Honor and Awards Committee since 2024.
A native of Wayland, Iowa, Schmitter resides in Oskaloosa with her two daughters, Amelia and Jocelyn.
Samantha Jacobs, MS, ATC, is in her fourth year as an assistant in the Sports Medicine department. She works primarily with women’s soccer, men's cross country, women's cross country, men's indoor track and field, women's indoor track and field, men's outdoor track and field, women's outdoor track and field, cheer, and dance.
Jacobs is a 2020 graduate of Benedictine College (Kan.) with a degree in Athlete Health Care. As a student at BC, Jacobs worked with their baseball, football, and women’s soccer teams.
Jacobs then earned her Master’s of Athletic Training from Texas Tech University in 2022. At TTU, she served as a student athletic trainer with the TTU and Lubbock Christian University track and field teams, Frenship High School, and Lubbock Sports Medicine.
Braden Phetkhamchanh is in his fourth year as an assistant in the Sports Medicine Department. He works primarily with women's basketball and baseball.
Phetkhamchanh is a 2021 graduate from Wichita State University with a degree in Athletic Training. While at Wichita State, he worked with track and field as well as various high schools in the Wichita area. Prior to Wichita State, he attended Allen Community College where he played soccer and became an AT student.
Phetkhamchanh earned his Master’s of Sports Management degree from William Penn in 2023.
Jon Gehrke, M.D. joined the Mahaska Health orthopaedics care team 2019. Dr. Gehrke is Board Certified and completed three Fellowships in sports medicine, general orthopaedics and foot & ankle surgery. He practiced at Des Moines Orthopaedic Surgeons (DMOS) for 23 years prior to joining Mahaska Health, and has authored numerous articles for national publications and served on several boards, including the Academic Orthopaedic Faculty of both the University of Missouri and Ohio State University.
Dr. Gehrke specializes in general orthopaedics, sports medicine, ACL, meniscus and knee conditions, hip and knee replacements, foot and ankle surgery, as well as rotator cuff repair and fracture fixation. He is also an expert in Regenerative Medicine procedures and the use of Ortho Biologics that includes the use of Platelet Rich Plasma (PRP) injections for non-operative orthopaedic conditions.
Gehrke lives in Oskaloosa with his wife Laurie and enjoys volunteering, serving as the Sports Medicine Physician for William Penn University and board member for the YMCA.
Michael Shaw, PA-C, MPAS is a Nationally Certified, Masters and Fellowship-trained Physician Assistant. Mike Shaw provides comprehensive general orthopedic care and assists in surgical cases to include procedures for complex orthopaedic trauma, total joint replacements of the shoulder, hip, and knee, as well as treatments for ailments including arthritis, bursitis and more. He is also an expert in Regenerative Medicine procedures and the use of Ortho Biologics that includes the use of Platelet Rich Plasma (PRP) injections for non-operative orthopaedic conditions.
Dr. Jay Blomme, MD, is a board-certified and Fellowship trained Family Medicine Physician and Sports Medicine Physician who specializes in Pain Management to their esteemed team of healthcare providers. Dr. Blomme completed his medical degree at the University of Iowa, Carver College of Medicine, where he was a member of the Carver Rural Iowa Scholarship Program. He completed his residency at John Peter Smith Hospital in Fort Worth, Texas, followed by a fellowship in Sports Medicine. His experience includes providing medical coverage at various sports events and clinics, enhancing his proficiency in musculoskeletal (MSK) medicine.
Alongside serving patients on the Mahaska Health campus, Dr. Blomme will also be providing more sideline coverage at Oskaloosa and William Penn sporting events. Adding to the Orthopaedics and Sports Medicine team, with more Fellowship-trained Orthopaedic Specialists than anyone in the region, Dr. Blomme will provide innovative solutions and the latest technology to help community members enjoy an active, pain free life. Mahaska Health’s Orthopaedics department is recognized with the Joint Replacement Excellence Award by Wellmark Blue Cross Blue Shield of Iowa, the organization’s commitment to providing physician-led healthcare in the region.


