Rachelle Berthelsen-Davis, D.M.A., specializes in violin performance and violin pedagogy. She has taught at Columbia Union College; been the assistant director and concertmaster of the New England Symphonic Ensemble and assistant director of the New England Youth Ensemble; directed a middle school orchestra program; toured Europe, the Middle East, South Africa, China, Southeast Asia, the United States, Canada, Mexico, and the Caribbean as a soloist and orchestral and chamber musician; and continues to participate in local chamber music and solo recitals. She is currently fascinated with alternative musical styles (non-classical music) and how to translate them to violin. She enjoys jamming with any group of instruments, reading, having interesting, meaningful conversations, and raising two young boys.

Katrina Blue specializes in teaching theology and Christian spirituality. Her Ph.D. dissertation is on “Union with Christ in the Writings of Ellen G. White.” She has presented papers at the Ellen G. White Symposium on the Holy Flesh Movement, and has published articles in the Ellen White Symposium Journal, a series on Paul in Galatians for the Compass Magazine, as well as Spectrum magazine. She is a member of the American Academy of Religion, the Adventist Society for Religious Studies, and the Society for the Study of Christian Spirituality. She has worked as a teaching assistant at Fuller Theological Seminary, a hospital chaplain, associate pastor (intern), and as an adjunct professor at Andrews University in the undergrad Religion Department as well as in the Theological Seminary. She is married to David, an anesthesiologist.

As a professor of art history, Jon Carstens brings a breadth of knowledge of the humanities and a passion for art history, with a concentration in American art of the nineteenth century and the work of Winslow Homer in particular. He believes that “looking is not as easy as it looks," and in his courses he employs the visual image as a document to reveal how art and architecture reveal the cultural and historical milieu in which it was created.

Carstens rejoins the college faculty after previously teaching at PUC for 25 years. He lives in Angwin with his wife Claudia. In his free time, he enjoys auto racing, interior and landscape design, and travel.

After graduating from PUC with a B.S. in advertising design and one in studio art, Milbert Mariano acquired his M.F.A. from Academy of Art University in San Francisco. In summer 2019, he shifted into his new role as vice president for academic administration and academic dean. With four years as a student, nearly 25 years of teaching graphic design, and 12 of those as department chair, Mariano’s intimate knowledge of and love for the college goes back nearly three decades.

Taking a deep interest in every area of campus, Mariano has served on several student committees as advisor and sponsor, co-directed the annual Publications Workshop for high school students, and has been part of PUC’s Cultural Engagement Taskforce and Academic Standards & General Education, among others. Mariano’s overarching goal as an educator and an administrator is to provide spaces that spark creative learning, and to innovate curriculum that encourages collaboration between departments.

Tammy McGuire, Ph.D., professor, specializes in organizational communication. She taught English for many years at Sunnydale Academy (Missouri) and Upper Columbia Academy (Washington) and has written and presented extensively on communication topics, with several presentations at the National Communication Association Conventions. However, she is particularly proud of her communication research students winning numerous top paper awards themselves at these conventions. She loves mountain climbing, rock climbing, backpacking, mountain biking, bikepacking, and tennis.

Catherine Tetz specializes in transatlantic literature with an emphasis on women and gender studies. Her work focuses primarily on women writers in the early twentieth century, and she is particularly interested in how künstlerroman and roman á clef genres were reappropriated by women writers at the height of literary modernism. She has presented work at the Modernist Studies Association’s annual conference, as well as the International Virginia Woolf conference. She teaches classes in poetry, fiction, and both American and English modernism.

Professor Ross E. Winkle teaches biblical studies. He has a professional focus in the New Testament and wrote his doctoral dissertation was on clothing imagery in the book of Revelation. He is a member of the Andrews Society for Religious Studies, Society of Biblical Literature, and the Phi Kappa Phi Honor Society. He has received several PUC Faculty Development Research and Honors awards as well as two Herber Faculty Development Awards. He has been a student missionary in Tokyo, Japan, a chaplain in Portland, Ore., and a pastor for thirteen years in three successive church districts in Oregon. He is an ordained minister and occasionally leads adult Sabbath School discussions on campus and preaches in surrounding churches. He is married to Darla, a health professional, and they have three children: Tristan, Elise, and Alexis.

Aimee Wyrick, associate professor, specializes in ecology, herpetology and paleontology. She advises in biology, pre-dentistry and pre-dental hygiene. Her research interests include physical and biological influences on the Columbia spotted frog and plant taphonomy. Aimee has also worked as a research coordinator, instructor, and course coordinator for the University of Montana. Her other interests include gourmet cooking (with produce from her own garden), national parks, camping and hiking, road trips, and world music – all enjoyed with her husband, Greg.