B.S., Exercise Science
East Stroudsburg University
M.Ed., Athletic Administration
Northcentral University
A Trinity employee since 2004, Alanna Stuart has taught physical education and health, coached, served as Associate Athletic Director, and now leads the Athletic Department as Athletic Director. She received her undergraduate degree from East Stroudsburg University, where she was a walk-on member of the Women’s Lacrosse team, and served on the NCAA Student-Athlete Advisory Committee. She went on to earn her a Master of Athletic Administration from Northcentral University. Ms. Stuart is pursuing her Ph.D. in Sports Management.
B.S., Social Studies Education
Shippensburg University
In addition to being one of the most successful basketball coaches in Pennsylvania, Larry Kostelac Jr. also works to further the athletic programming of the school as the Director of Athletic Advancement. Coach Kostelac has long been ingrained in the culture of Trinity: his father was Dean of Students for many years, he’s an alumnus, and his children attended the school. His devotion to Trinity extends to all students and all sporting programs at the school.
B.S., Sports Management
Misericordia University
B.S., Health & Physical Education
Slippery Rock University
M.Ed., Educational Leadership
Shippensburg University
Terrence Mull has been around Trinity High School athletics most of his life. The Trinity tradition in his family is longstanding. Mr. Mull is an alumnus and the sibling of four Trinity graduates. While a Trinity student, Mr. Mull played five sports and received a varsity letter in four. After graduating from Slippery Rock in 2009, he joined the Trinity staff as a teacher, coach, and Associate Athletic Director. Currently, Mr. Mull teaches health and physical education and coaches girls soccer and baseball, in addition to his Associate Athletic Director duties. He also officiates soccer at the collegiate and professional level.
B.S., Kinesiology
Penn State University
Justin Assadinia works with all our student-athletes, helping them to develop safe and effective strength and conditioning habits. His work with our students makes them stronger and better athletes, while also helping them to prevent injuries. The knowledge and habits that students develop through their work with Justin will serve them throughout their lives. Justin has a degree in kinesiology from Penn State and excelled in NCAA Division I Rugby while earning his degree.
Trinity student-athletes have easy access health care professionals due to our partnership with Select Medical, a feature that most schools in our area do not offer. Our student-athletes have the benefit receiving care from a physical therapist and a team physician from Penn State Health, as needs arise.Â
B.S., Kinesiology
Penn State University
Justin Assadinia works with all our student-athletes, helping them to develop safe and effective strength and conditioning habits. His work with our students makes them stronger and better athletes, while also helping them to prevent injuries. The knowledge and habits that students develop through their work with Justin will serve them throughout their lives. Justin has a degree in kinesiology from Penn State and excelled in NCAA Division I Rugby while earning his degree.
