Mark Przybysz of Buffalo joined Pioneer High as an assistant principal in Fall 2013. He formerly worked at Tapestry Charter School in Buffalo, where he taught secondary mathematics and was the department coordinator and high school mentor teacher. He served as the mathematics representative for Tapestry's Instructional Leadership Council and Parent Advisory Group. Mr. Przybysz also was a committee leader for the creation of interim assessments/mid-term exams and creating curriculum maps for the Common Core. Outside the classroom he has experience as a varsity baseball and wrestling coach and JV baseball and football coach.