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

mglenn@slhs.com

Head of School

B.A. in Chemistry (Concordia University Chicago)
Master of Divinity (Concordia Seminary, St. Louis)

Kitty Murphy

kmurphy@slhs.com

Dean of Students and Staff Affairs

B.S. in Business Education/P.E.
M.A. in Literacy Studies

Tracey Cornell

tcornell@slhs.com

Business Manager and School Registrar

Susie Berger

sberger@slhs.com

Parent Liaison & Graphic Communications

A.S. in Graphic Design (Completing Spring 2025)
Certificate in Graphic Design

Petra Sever

psever@slhs.com

Administrative Secretary; Volunteer (PIP) & Lunch Program Coordinator

Associate of Science in Graphic Design

Teaching Staff

Charlie Berger

cberger@slhs.com

P.E. Teacher, Lifetime, Girls/Boys Golf, Girls Basketball

A.A., LC MIN

Kallie Carpenter

kcarpenter@slhs.com

Worship Leadership, Faith

B.A. in Elementary Education; minors in Music and Bible

James Cleland

jcleland@slhs.com

Theology Teacher

B.A. in History (Texas A&M University)
Master of Divinity (Concordia Seminary, St. Louis)

Tiffany Colonna

tcolonna@slhs.com

English Teacher

B.A. in English – Creative Writing Emphasis

Kimberly Estee

kestee@slhs.com

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

dglenn@slhs.com

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

Dawn Hammer

Mrs. Dawn Hammer

dhammer@slhs.com

Science Teacher, Volleyball Coach, Basketball Coach

B.S. in Public Health (CSUN)
M.Ed. in Curriculum Design & Development
M.S. in Biology (Clemson University)

Kurt Katzorke

kkatzorke@slhs.com

Faith Teacher

Kerry Klubben

kklubben@slhs.com

Facility and Maintenance Manager

B.S. in Elementary Education K–8; minor in P.E./Coaching
M.A. in Literacy Studies

Hannah Krenz

hkrenz@slhs.com

Math, Physics, Astronomy Teacher

B.A. in Physics Education
M.A. in Math Secondary Education

Rhiannon Latragna

rlatragna@slhs.com

Photography Teacher, Cheer Coach

Billy McHenry

bmchenry@slhs.com

Athletic Director, Coach, Business, Economics, Math

A.A. Georgia Southern College; B.A. Mercer University
Teaching Certification from Sierra Nevada College

Danika Neal

dneal@slhs.com

English Teacher

B.A. in History and Political Thought

Lauren O'Neill

Lauren O’Neill

loneill@slhs.com

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

mphillips@slhs.com

Theatre, Film Production

B.A. in Communication (Pacific Union College)

Dr. Tami Seddon

tseddon@slhs.com

Director of STEAM, Math and Science Teacher

Ph.D. in Chemistry
M.E. in Administration

Carly Steele

csteele@slhs.com

Beginning Art

Currently earning AA at WNC

Emily Thornburg

ethornburg@slhs.com

Algebra, Geometry, and Precalculus

B.S. in Mathematics with a Physics minor (Montana State)
M.A. in Education

Joe Thornburg

jthornburg@slhs.com