District Administration
Devon Rickabaugh
Head of Schools
Administrative Washington State Credential, Pacific Lutheran University
Master of Arts in Consulting Teaching, Pacific Lutheran University
Bachelor of Arts in Special Education, Central Washington University
Devon Rickabaugh brings 34 years experience as an educator to her position as the Grace Cascade Christian Schools' Head of Schools. Devon served as Middle School Principal at Grace Christian School (now Cascade Christian Middle School) from 1999 to 2006. In 2006 she moved to her district-level position, as Assistant Superintendent before being appointed to Interim Superintendent in February 2013. Before moving to Medford, Devon spent eleven years at Tacoma Baptist Schools in Tacoma, Washington as the Elementary and Middle School Principal, and the prior two years as a first-grade teacher. She began her teaching career as a special education teacher and an educational specialist for six years. Devon attends Bear Creek Church.
Ken Townsend
High School Principal
Pepperdine University
Talbot Theological Seminary
Grace College
Dr. Townsend brings to Cascade Christian High School over 30 years of experience working in the education industry. He served as the Northwest Regional Director of the Association of Christian Schools International (ACSI), one of the organizations that GCCS receives its’ accreditation through. He brings exceptional training and experience in Christian schools including many years as a Christian school principal and five years as Superintendent at Nampa Christian Schools in Idaho. Following this, he accepted a position in 2005 as Associate Director of the before-mentioned ACSI. He retired from ACSI in 2017, after serving the final eight years in the Regional Director position and spent the past year as an executive coach/consultant to ACSI member schools. In addition, Dr. Townsend served 28 years as a chaplain in the United States Air Force Reserve, entering as a chaplain candidate in 1978 and retiring as a colonel in 2008. He is a lifetime member of the Military Chaplains Association. He and his wife, Vicki, recently relocated from Vancouver, Washington, to be closer to his family; one of which is an identical twin! Dr. Townsend enjoys golf, has climbed over 14,000', jumped out of a plane, dived the Pacific Ocean, rafted 225 miles of the Colorado River (with his wife), and traveled to Australia, Asia, Southern America, Europe, Central America and numerous islands in the Pacific. He and his wife are attending Cornerstone Church.
Tim Dexter
Middle School Principal
Master of Science in Education, Southern Oregon University
Before joining Grace Cascade Christian Schools' administrative team as the Principal for Cascade Christian Middle School in fall 2017, Mr. Dexter served as Principal in the Prospect School District for four years. Prior to that Mr. Dexter was a Physical Education/Health teacher, Athletic Director, and coach for seven years in the Eagle Point School District. He and his wife, Vanessa, have two children.
Tim Teterud
Early Learning and Elementary School Principal
Bachelor of Arts in Elementary Education with Minor in Bible, University of Great Falls
Associate of Arts in Biblical Studies, Big Sky Bible College
Mr. Teterud has been in the education industry in several capacities since 1984, and has worked with Grace Christian School for almost one half of that time. In addition to his degrees listed above, Mr. Teterud has studied at Western Baptist Seminary for one year toward a Master of Science in Church Music. Mr. Teterud has been married since 1983 and has three adult daughters who all graduated from Cascade Christian High School and are successful leaders today! He enjoys spending time with his family, walking, and working in his yard. He loves to sing and play the piano. He enjoys taking photos and loves the Oregon Coast. He and his wife attend First Baptist Church of Medford.
Dave Fennell
Director of Advancement
IAL, Southern Oregon University
Master of Arts in Exercise, Azusa Pacific University
Bachelor of Science in Business Administration, San Diego Christian
Mr. Fennell first joined Grace and Cascade Christian Schools in 2004 as the Athletic Director. His current role is Director of Advancement, as well as the high school fly-fishing instructor. He and his wife have been married since 2004 and they have three boys. Mr. Fennell enjoys reading, fishing, martial arts, camping, surfing and spending time with his family. He and his family attend Jacksonville Presbyterian Church where he is also involved in the Mega Sports Summer Camp and a weekly core group.
Nate Mayben
High & Middle Schools Athletic Director / High School Dean
Bachelor of Science in Interdisciplinary (Business/Education), Corban University
Mr. Mayben attended Grace Christian School his pre-kindergarten through Grade 6 school years. Mr. Mayben brings years of experience in coaching, teaching and as dean. Mr. Mayben and his wife, Elizabeth, have been married since 2006. They have two children. Mr. Mayben enjoys golfing and attending sports events. He enjoys spending time with extended family whenever possible. He is currently the Head Baseball Coach for the Medford Mustangs. He and his family attend Cornerstone Christian Church.
Terry Roehl
Assistant Principal of Elementary
Master's in Education, Azusa Pacific University
Bachelor of Arts in Education, Point Loma Nazarene University
After teaching fourth grade for three years in San Diego, Mr. Roehl moved to Medford and has been with Grace Cascade Christian Schools since 1981. During that time, he taught various classes from Grades 5 to 12, as well as being yearbook advisor, athletic director, administrator, coach, and on-call sound technician. He and his wife, Kathy, have two adult children who both attended Grace and Cascade from Pre-kindergarten through grade 12. Their five grandchildren are all students at Grace Cascade Christian Schools. Mr. Roehl enjoys camping, fishing, golf, photography, playing guitar, and all manner of electronic gizmos. He and his wife attend First Baptist Church of Medford.
Sandy Stack
Director of Student Learning
Master of Science in Education, Southern Oregon University
Bachelor of Arts, Psychology, California State University, Long Beach
Mrs. Stack joined the Grace Cascade Christian Schools team in 2013. She has been married to her husband, Adam, since 2005. They have two sons. Mrs. Stack enjoys arts and crafts, especially when doing them with her children. She has a passion and calling for advocating and teaching children with special needs. Mrs. Stack and her family attend Applegate Christian Fellowship.
District Support Staff
Ray Cuellar
District Campus Security / School Resource Officer
Mr. Ray Cuellar (“Kway-ahr”) is the campus security person for the Cascade Christian campus, which is home to our middle and high schools. A graduate of the Oregon Police Academy, Ray has extensive experience and training in public safety. Ray has recently relocated to the valley after a successful and lengthy career in law enforcement with the Prineville Police Department. He and his wife are pleased to move where they can be nearer to family (and grandchildren).
Jennifer McMahon
Admissions Coordinator
Bachelor of Business Administration in Management and Marketing, Stetson University
Danny Miles
Athletic Advisor
Mr. Miles joined the Cascade Christian High School athletic department as a part-time Athletic Director and mentor to coaches in 2016. He assumed the role of High School Athletic Director during the 2017-2018 school year. Previously he was the Oregon Institute of Technology (OIT) Owls Men’s Basketball coach for 45 years, and is one of the four winningest coaches in the nation, having reached his one thousandth win on February 1, 2014. Mr. Miles’ accomplishments are impressive, including:
- 3x NAIA National Basketball Coach of the Year (2004, 2008, 2012)
- National Association of Basketball Coaches Coach of the Year (2012)
- National winner of NAIA’s Champion of Character award for all sports in 2009
- A.T. Slats Gill All-Sports Coach of the Year (2004)
- DNA Award at the Oregon Sports Award show (2013)
- Guardians of the Game Pillar Award for Advocacy from the National Association of Basketball Coaches (2013)
- 3x NAIA National Championships
- Received the Coach Wooden "Keys to Life" Award at the Athletes in Action Legends of the Hardwood Breakfast (2015), held each year during the Final Four
Richard “Tiny” Robertson
Transportation Coordinator
Mandy Waits
Administrative Assistant to Head of Schools
Mrs. Waits is the new Director of Women's class at Medford First Church of the Nazarene, where she attends church with family. She was formerly the Media/Promotions Chair for the valley-wide Word for Women organization. She has a personal history with Grace Cascade Christian Schools, having attended Grace Christian her 4th-8th grade years. She is married to Drew Waits, who teachers the Cascade Christian High School Trades Academy - Plumbing and Welding. They have three boys - Austen, Colton, and Bowen. Her hobbies include creating digital art, such as photos, posters, and postcards. She also loves the outdoors, spending time at the beach or lake.
Traci Williams
Student Accounts
Mrs. Williams has been with Grace Cascade Christian Schools since 2000. She and her husband, Dan, have been married since 1987. They have two adult daughters, Jenna and Kristen, and one granddaughter. Mrs. Williams loves animals and has been volunteering at the Southern Oregon Humane Society since 2008 where she walks and socializes dogs. She attends First Church of the Nazarene where she helps to facilitate women's Bible studies (usually Beth Moore) on Wednesday nights.