School Leadership
headmaster
Dr. Scott Welz
headmaster since 2025
Dr. Scott Welz was named Headmaster on June 1, 2025. He began serving as Chief Financial Officer and Assistant Head of School for Finance and Facilities with Saint Louis Abbey and Saint Louis Priory School in 2023. While being Headmaster, he will continue with his CFO duties.
He and his wife, Terri, have been a part of the Abbey community since relocating to the St. Louis area in 2011 with their sons Tom and Peter. Peter is a Priory alumnus, Class of 2021.
Scott came to his role at Priory and the Abbey after serving for four years as Vice President and Chief Financial Officer for the Roman Catholic Foundation of Eastern Missouri. Before that, he was employed by the Archdiocese of St. Louis in a financial leadership role, as well as in executive positions with Wells Fargo Advisors and other companies.
Education
BA and MBA from Indiana University - Kelley School of Business
PhD, Operations Research - University of Cincinnati Carl H. Lindner College of Business
Contact
Phone: 314.434.3690 x364
Email
LEADERSHIP TEAM
Mr. Mike Nickolai
Associate Headmaster, English Teacher, Chaplaincy
School:
314.434.3690 ext. 141
Areas Overseen: Advisory and Form Masters, Athletics, Chaplaincy, Clubs and Activities, Discipline
Academic Department Heads
Mr. Josh Dixon
Director of Lower Forms, Theology Teacher, and Classical Languages Teacher
School:
314.434.3690 ext. 237
Dr. Kellen Plaxco
Director of Curriculum and Pedagogy, Department Chair of Theology
School:
314.434.3690 ext. 287
Mr. Dennis Toscano
Modern and Classical Languages Department Chair, Fair Family Chair of Classics
School:
314.434.3690 ext. 113
Mr. Tim Woodcock
English Department Chair, English Teacher, The Record Student Newspaper Moderator
School:
314.434.3690 ext. 234
Administrative Directors
Mr. Jon-Pierre Mitchom
Director of Equity and Inclusion, Theology Teacher, Form Master, Chaplaincy Team, Coach
School:
314.434.3690 ext. 312
Dr. Kellen Plaxco
Director of Curriculum and Pedagogy, Department Chair of Theology
School:
314.434.3690 ext. 287