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Administrative Staff

Mr. T.J. Salopek, High School Principal

Embedded Image for: Mr. T.J. Salopek, High School Principal (20246311035668_image.png)
Mr. Salopek is a student-centered leader who appreciates the opportunity to share that focus at a forward-thinking district like South Fayette. Joining South Fayette in 2024 as Assistant Principal of the High School, he moved into the Principal role in 2026. He began his career in education teaching social studies at North Allegheny Senior High School for five years before becoming Assistant Principal at Pine Richland High School where he served from March 2019 through June 2021; also filling in that summer as the district’s Director of Athletics. He then returned to NA where he was Assistant Principal from August 2021 until he transitioned to South Fayette in June 2024. He was also a football coach in the North Allegheny School District from 2012 through 2018. 

Mr. Salopek earned a bachelor of arts from Allegheny College where he was a four-year starting quarterback and football team captain during his junior and senior seasons. He has a masters in teaching secondary social studies education from the University of Pittsburgh, and he completed the PA School Principal K-12 Certification Program at Point Park University in October 2018. He is especially experienced with relationship-building, district safety, student testing, curriculum development, and student and staff experience. 


Phone: 412-221-4542 x 265



Mrs. Tonya O'Brien, High School Assistant Principal

headshot of Tonya O'Brien

In her career, Mrs. O’Brien has been focused on maintaining a positive environment, supporting student needs, promoting growth and excellence, and building strong relationships with students and families. Very student-centered, Mrs. O'Brien arrived at South Fayette with an extensive knowledge of several important district initiatives including the RIASEC/World of Work framework for career-focused curriculum, the principles of PBIS (Positive Behavioral Interventions and Supports), Esports, and robotics. She is also experienced with having a therapy dog program, a greenhouse, a mindfulness zen den, a hydroponics classroom, and a Lego brick club, along with many other innovative, student-centered initiatives.

Mrs. O’Brien transitioned to South Fayette at the beginning of the 2025-26 academic year from the Beaver Area School District where she was an elementary assistant principal starting in 2020 and became principal in 2023 for grades three through six. Previously, she taught fourth grade ELA/Social Studies in the Hopewell Area School District and spent a year as an academic advisor with Pennsylvania Cyber Charter School. 

Mrs. O’Brien holds a master’s degree in educational leadership from Point Park University and earned her bachelor’s in elementary (K-8) education from Grand Canyon University with a minor in English. She particularly excels in curriculum design and development, technology integration, strategic planning, collaboration, and interpersonal relationship building.


Phone: 412-221-4542 x 253


High School Administrative Assistants

Jodi Holley
Phone: 412-221-4542 x 221

Kelly DiSciullo
Phone: 412-221-4542 x 241