Staff and Faculty
Our Staff
Meet the dedicated educators and administrators who make Sierra Lutheran High School a place where students thrive academically, spiritually, and personally.
Administrative Staff
Pastor Micah Glenn
Head of School
B.A. in Chemistry (Concordia University Chicago)
Master of Divinity (Concordia Seminary, St. Louis)
Kitty Murphy
Dean of Students and Staff Affairs
B.S. in Business Education/P.E.
M.A. in Literacy Studies
Susie Berger
Parent Liaison & Graphic Communications
A.S. in Graphic Design (Completing Spring 2025)
Certificate in Graphic Design
Petra Sever
Administrative Secretary; Volunteer (PIP) & Lunch Program Coordinator
Associate of Science in Graphic Design
Teaching Staff
Charlie Berger
P.E. Teacher, Lifetime, Girls/Boys Golf, Girls Basketball Coach
A.A., LC MIN
Kallie Carpenter
Worship Leadership, Faith
B.A. in Elementary Education; minors in Music and Bible
James Cleland
Theology Teacher
B.A. in History (Texas A&M University)
Master of Divinity (Concordia Seminary, St. Louis)
Kimberly Estee
College and Career Counselor, Business Math, Cornerstone, Yearbook
M.Ed. in Organizational Leadership – emphasis in HR (American College of Education)
College and Career Counseling Certification (UC San Diego)
In Progress: MBA – February 2026
Deaconess Dorothy Glenn
Faith, Psychology, Admissions
B.A. in Theology (Concordia University Chicago) with Deaconess Certification
One unit of Clinical Pastoral Education
Currently pursuing M.A. in Practical Theology
Mrs. Dawn Hammer
Science Teacher, Volleyball Coach, Basketball Coach
B.S. in Public Health (CSUN)
M.Ed. in Curriculum Design & Development
M.S. in Biology (Clemson University)
Kerry Klubben
Facility and Maintenance Manager
B.S. in Elementary Education K–8; minor in P.E./Coaching
M.A. in Literacy Studies
Hannah Krenz
Math, Physics, Astronomy Teacher
B.A. in Physics Education
M.A. in Math Secondary Education
Billy McHenry
Athletic Director, Coach, Business, Economics, Math
A.A. Georgia Southern College; B.A. Mercer University
Teaching Certification from Sierra Nevada College
Lauren O’Neill
Student Assessment for Growth and Accountability Director (SAGA)
B.S. in Special Education K–12 (College of Charleston)
M.Ed. in Curriculum and Instruction (Lesley University)
Library Science endorsement
Mark Phillips
Theatre, Film Production
B.A. in Communication (Pacific Union College)
Dr. Tami Seddon
Director of STEAM, Math and Science Teacher
Ph.D. in Chemistry
M.E. in Administration
Emily Thornburg
Algebra, Geometry, and Precalculus
B.S. in Mathematics with a Physics minor (Montana State)
M.A. in Education
Joe Thornburg
Algebra, Geometry, and Precalculus
B.S. in Mathematics with a Physics minor and teaching option (Montana State University)
M.A. in Education
