Faculty
Dr. Timothy A. Gabrielson
Dr. Timothy A. Gabrielson was pursuing degrees in math and economics at the Colorado School of Mines when he felt called to ministry. After graduating, Tim made one of the least practical and yet best decisions of his life: dedicating himself to the study of the Bible. He earned an M.A. in Biblical Studies (New Testament) at Denver Seminary and a Ph.D. in Judaism and Christianity in Antiquity at Marquette University. While studying for his master’s degree, he also served as a pastor at First Baptist Church of Golden, Colo.
Peter Kosek
Pete Kosek joined Sterling College is 2015. Prior to Sterling, he earned his M.S. in Mathematics from The Ohio State University where he was a lecturer and graduate teaching assistant. Pete has a passion for all areas of mathematics, including both theoretical and applied in addition to math education. Having an extensive background in math competitions, he enjoys creating and solving recreational math problems and encouraging students to participate in math competitions.
Marisa Callan
Callan graduated from Sterling College in 2005 with her bachelor’s in music education and completed her M.M. in Conducting from California Baptist University in 2010. She is an experienced pianist, vocalist and professor, having taught several courses as an adjunct and full-time professor at California Baptist. Callan is joining Sterling College from Winston-Salem, North Carolina, where she has been serving as a minister of music for Bethany Baptist Church.
Contact
Phone: 620-278-4293
Rachel Wannamaker
Mrs. Wannamaker earned the Master of Arts in Teaching from Friends University, and the B.S. in Elementary Education from Newman University. She is an experienced elementary teacher and has been serving Sterling College this year as an adjunct instructor. Rachel has two boys, enjoys reading, watching sporting events with her husband, vacation time with the family and taking her boys to do “Random Acts of Kindness” around town.
Dr. Mark Tremaine
Mark Tremaine leads Sterling College's Criminal Justice program. Mark Tremaine is no stranger to higher education, or to Sterling College. He has spent nearly thirteen years in higher education administration, serving York College in York, Nebraska and the University of Kansas School of Law. Mark also served as the Vice President of Student Life at SC from July 2004 to December 2006, when he opened his private legal practice in Lyons. Mark received his bachelor of science degree from Oklahoma Christian University in 1988, majoring in psychology; his master of education degree in higher
Dr. Mark Watney
Mark was born and raised in South Africa and immigrated to the United States in 1977. He has also lived and worked in Japan (’83-’84), India (’87), Turkey (’92-’93), and Los Angeles (’93-’00) as a missionary and English high school teacher. After graduating with his doctorate from The University of Texas at Dallas, he and his wife Laurel (Director of the Mabee Library), moved to Sterling College in 2006 where they have been working ever since. They have three sons: Caleb (SC ’14) Micah (SC ’19) and Josiah.
Mary Ver Steeg
Ken Troyer
Under his direction, the Sterling College debate and forensics team has returned to regional and national prominence with the debate team capturing multiple state championship titles and placing 9th in the nation in 2010-2011 and 12th in 2011-2012.
Timothy Thorpe
Tim Thorpe brings 11 years of operations and management experience to the Sterling College Department of Business. Prior to coming to Sterling College, Tim was responsible for information and data security at Viking Collection Service in Eden Prairie, Minn.