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Faculty & Staff

Rev. Juls Clausen


Pastor Juls Clausen has been involved in ministry in the Missouri Synod Lutheran educational system for 38 years. He received his high school diploma from Concordia Academy, St. Paul, MN followed by a B.A. from Concordia College, St. Paul, MN and a M. Div. from Concordia Seminary, St. Louis, MO. His M.A. in Education was earned through Phoenix University. Pastor Clausen has served as a teacher, coach, athletic director, chaplain, assistant principal, principal, executive director and development director during his ministry at six Lutheran high schools as well as one Lutheran college. He also served a Lutheran parish for six years. He and his wife Nel, have two married sons and two grandchildren.

Dr. Tami Seddon

Academic Dean & Teacher

Tami Seddon was raised in Carson Valley on her family’s fifth generation ranch. She graduated from Douglas High School in 1985 and attended the University of California, Davis where she received a B.S. in chemistry. She then attended Stanford University where she received a Ph.D. in inorganic chemistry. She returned to Carson Valley and started her family as she worked as a research chemist. She obtained her teaching credential from Sierra Nevada College and was blessed to help Mr. Norm Brauer open Sierra Lutheran High School in 2002. She obtained her colloquy through Concordia University, Irvine in 2011. She currently serves as the Academic Dean, math/science teacher, and Academic Olympic Coach. She is the proud parent of three kids – a former Falcon, a current Falcon, and a future Falcon. She enjoys sharing the gospel with teens, her family, and helping on her family’s ranch.

Mr. Michael Nelson

Athletic Director & Teacher

Michael Nelson moved here from Kansas City, MO after he graduated in 2006 from Concordia University, Nebraska with a Bachelor of Science in Secondary Education. His emphasis is in mathematics and theology. Additionally, he holds a M.Ed. in Educational Administration. Michael has been our athletic director since 2010 and is also the girls basketball coach. He and his wife have three children. He is a giant Packers fan and loves to watch baseball.

 missing-student-id-18 Mr. Ben Walther

Technology Director & Teacher

Ben Walther was born in St. Louis, MO and grew up in Sheboygan, WI. He attended Concordia University Wisconsin, and received two degrees: a B.A. in Business Education and a B.S. in Computer Science. After graduation, he received a call to Racine Lutheran High School where he taught computer, business, and P.E. classes for 11 years. At Racine, he served as Technology Director and coached Volleyball, Varsity Basketball, and Varsity Golf. An avid St. Louis sports fan, he roots for the Cardinals, Blues, and Rams. He is also a Michigan Wolverine fan – Go Blue!

 missing-student-id-11 Mrs. Kitty Murphy

Staff Development Director & Teacher

Kitty Murphy was born and raised in North Dakota and moved to Carson Valley 30 years ago. She received her BS Degree from Minot State University, and later earned her Master’s Degree in Literacy Studies from UNR. After 30 of teaching in Douglas County Public Schools, Kitty is anxiously looking forward to teaching in a Christian school where Jesus is the focus of the everyday environment. Outside of work Kitty enjoys hiking, reading, singing, working out at the gym, and spending time with her granddaughter. She will be teaching US History and PE, along with staff development.

Mr. Martin Kois


Mr. Kois grew up in Omaha, Nebraska.  Like most of his 6 siblings, Marty attended Concordia University in Seward, Nebraska, where he met his wife, Mrs. Kois, and earned his Bachelor of Science in Secondary Education with subject endorsements in biology and theater.  Mr. Kois loves the dramatic arts, having led 3 years of Concordia’s Improv troupe (the IMPROVables) and directed 3 shows before coming to SLHS.  When not teaching, leading drama, or spending time with his beautiful wife and adorable son Jesse, Mr. Kois enjoys birding and video games.

Mrs. Heather Kois


Heather Kois was born and raised in Boise, Idaho. She graduated from Concordia University, Nebraska, where she earned a Bachelor of Science degree in Secondary Education with a comprehensive subject endorsement in literature, and a music minor. She moved to Carson City in the summer of 2013. She teaches all levels of English.

 missing-student-id-13  Mr. Mark Ploss


Mark Ploss has had the privilege of teaching in Lutheran Education for 37 years. During that time, he has served as a teacher, elementary principal, athletic director, and coach. His favorite subject to teach is Theology (Religion), followed closely by History. His favorite hymn is “Take My Life and Let It Be,” and his favorite scripture is Psalm 23.

Mr. J.P. Albert


J.P. Albert has lived in Carson Valley for most of his life and attended elementary, middle, and high school in Douglas County. He moved to California after high school to play college football and baseball, and received his undergraduate degree from California State University Sacramento.  He is currently working on a Masters of Art in Teaching from Sierra Nevada College.  Mr. Albert teaches Spanish and P.E.  He and his wife Shannon have two children, Andrew & Alyssa, and he enjoys coaching and supporting their activities.  An avid San Francisco Giants, 49ers, and Warriors fan, he loves participating in and watching most sports.  He has been coaching high school football and youth sports in the area for more than a decade and is also a high school basketball official.  Mr. Albert is truly blessed that God has given him this opportunity to get closer to Him and be a positive influence on the lives of the students of SLHS.  His favorite scripture is Proverbs 3:5-6.  

Mrs. Vicki Shepard


Vicki Shepard attended the fine arts school at UCLA where she specialized in drawing, oil painting, ceramics, photography and sculpture. She soon moved to Lake Tahoe because, being a visual person, she loved the incredible beauty of the Sierras. There she continued her artistic pursuits. In Tahoe, she met her wonderful husband of 34 years, Mike. They now have 2 adult sons, one grandson, and a daughter. Mrs. Shepard ran a preschool while her children were young, and later received a teaching credential from Sierra Nevada College. She has had many varied teaching experiences, and now thoroughly enjoys teaching art classes at this wonderful school.

Mrs. Holly Tollefson


“Every day is a blessing, an opportunity to sow the seeds of faith and knowledge in my students’ lives,” says Holly Tollefson. She graduated cum laude from the University of Massachusetts at Amherst with a combined major in journalism and history. After earning her multiple subject teaching credential, Holly taught elementary school for years in California. Arriving in northern Nevada in 1997, she then spent 13 years home-teaching her three sons. During this time, Holly organized and launched a home school cooperative in Carson Valley. She also taught numerous subjects to home schoolers including writing, literature, geography, astronomy, and earth science. Holly and her husband, Lars, live in Minden. In addition to delving into great literature to share with her students, Holly enjoys singing at church, hiking with her dogs, sewing, and encouraging others in faith.

Mrs. Jenny Cochran


Jenny Cochran moved to the valley over 12 years ago from the Bay Area.  She has a BA from California Polytechnic State University, SLO and is a ACE certified fitness trainer, a Registered Yoga Trainer and a Yoga For Athletes Team Trainer.  Jenny began her career in the business world, but decided to work part time in the Fitness industry when her children were small. She has been substitute teaching at both SLHS and Douglas High School for the past year.  After teaching at a Christ-centered high school like SLHS, Jenny found her passion.  She is currently finishing her teaching credential and has begun her Masters in Secondary Education at Western Governors University.  In addition to Anatomy, Health and PE classes, Jenny enjoys helping the Juniors and Seniors with their college and scholarship essays.  She is inspired by the students’ love for the Lord, and their passion to follow his word.

Mrs. Lisa Potts


Lisa Potts was raised in Montana but has lived in Nevada for the past 28 years. She graduated from Montana State University with a degree in Industrial and Management Engineering and a commission in the U.S. Air Force. She worked as an engineer at Nellis Air Force Base in the Civil Engineering Squadron and was also the mobility officer for the squadron during the Gulf War. She has taught as a substitute with Douglas County and is excited to be a part of the staff of Sierra Lutheran. Married to her college sweetheart for 26 years, Lisa and her husband Bob have two amazing kids and an adorable Tzu dog. Her family enjoys a variety of outdoor adventures including rock climbing, canyoneering, mountain biking, hiking, and river rafting. She hopes to share a greater knowledge of God with students through the study of His design in the world around us.

Mr. Randy Green


Randy Green came to Carson Valley to teach and coach at Douglas High School in 1977. Karen, his wife, taught at Carson Valley Middle School. They raised two daughters and have called Carson Valley home ever since. Randy has Bachelor of Science in Economics from the University of Houston and a Masters in Secondary School Administration from the University of Nevada. Randy retired from the Douglas County School District after 31 years and looks forward to being back in the classroom to teach two sections of American government.

Mrs. Heather Jackson


Heather Jackson graduated from Brigham Young University with a degree in Mechanical Engineering.  During her college years, she served as a missionary in Durban, South Africa for 18 months.  Upon college graduation she returned home to the Carson Valley where she worked as a test engineer at Bently Nevada.  She has spent the last several years as a private math tutor for students in the Carson Valley while she focusing on raising her family.  Heather and her husband, Bo, have four active boys.  Her family enjoys mountain biking, backpacking, rock climbing, and exploring the beautiful world God has created for us.  She is excited to join the Sierra Lutheran staff and teach Pre-Calculus.

Ms. Tracey Cornell

Business Manager

Tracey Cornell was born and raised in Southern California. She was blessed to be raised by parents that love and serve the Lord.  She accepted Jesus as her Lord and Savior at an early age. Tracey moved to Northern Nevada in 1995 with her two small children and parents. She loves the beauty of the Carson Valley which is a reminder of the awesome Lord we serve. She’s grateful the Lord brought her to Sierra Lutheran to serve the students and families. Tracey has two grown children and three grandchildren.

Ms. Sandy Goins

Administrative Assistant

Sandy Goins was born and raised in the San Francisco Bay Area. She married, had two sons, and moved to Texas. She became a Christian in 2000. In 2004, her husband died from cancer prompting her move to Carson City to share the gospel with her family. Sandy has been involved with Teen ministry for 12 years. She has served both Early Teen and Teen Community Bible Study. Currently, she volunteers at Life Choices Community Pregnancy Clinic on the HOPE Team, presenting information to teens in the Carson Valley community.  Sandy is blessed by her two sons, and welcomes a new daughter-in-law into her family. She truly enjoys serving  the students and families of Sierra Lutheran High School.

Ms. Katie Allin

Administrative Assistant & Teacher

Katie Allin moved to Reno from San Antonio, TX. Homeschooled 1st-12th grades, Katie went on to complete a B.A. in Literature with 8-12 Teaching Certification from University of Houston and graduated Summa Cum Laude. Katie has worked with a variety of students and grade levels in the subject of English, and taught dance for seven years. She is passionate about providing an education that merges the traditional with technological advances and making sure that our students have a solid foundation in both skills and faith to succeed in the future. Katie has been involved in many different ministries at her church, from youth to children to worship, and is thrilled to bring those skills with her to the faith-based environment of SLHS.

Mr. Howard Houghton

Facilities Manager

Howard Houghton has spent a combined 35 years in construction design and management and facilities management working for organizations such as Harley-Davidson Financial Services, the Bellagio Hotel & Casino and FedEx.  Mr. Houghton holds numerous credentials in Business and Facilities Management, First-Responder instruction, as well as a Certificate in Biblical Studies. In 2010, the Lord impressed upon Mr. Houghton that he should focus less on business and more on family.  Being offered the position at SLHS was an answer to a prayer he hadn’t prayed and he is now looking forward to the next few years when his boys will be students at SLHS.