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Faculty

With a student-teacher ratio of 12:1, your professors will know you. They’re invested in helping you succeed. As you work towards your career goals, you will find your professors become more—they become your mentors who can help you along your journey, and ones you can still get advice from years after graduation.

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Catherine Tetz

Catherine Tetz, Ph.D.

Assistant Professor of English

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Catherine Tetz

Tel: 1-707-965-
Email: ctetz@puc.edu

Catherine Tetz, Ph.D.

Assistant Professor of English

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.


Degrees

Washington State University

2014

Miami University

2020

Tamara Tirado

Tamara Tirado, D.N.P., R.N., F.N.P., C.N.E

Professor of Nursing

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Tamara Tirado

Tel: 1-707-965-7625
Email: ttirado@puc.edu

Tamara Tirado, D.N.P., R.N., F.N.P., C.N.E

Professor of Nursing

Tamara Tirado has worked in healthcare since 1998, as a Certified Nurses Aid and Registered Nurse in rehab and acute care. She has also been a medical clinic manager, diabetes coordinator, public health nurse at a tribal health clinic, and a family nurse practitioner. She loves music, hiking, biking, scuba diving, traveling, and spending time with family.


Degrees

A.S. Pacific Union College

2000

B.S.N., Pacific Union College

2001

M.S., Sonoma State University

2004

Tuwan Ussery

Tuwan Ussery, MSW, MAPM

Assistant Professor of Social Work & Director of Field Experience

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Tuwan Ussery

Tel: 1-707-965-6533
Email: tussery@puc.edu

Tuwan Ussery, MSW, MAPM

Assistant Professor of Social Work & Director of Field Experience

Tuwan Ussery earned his master's in social work and pastoral ministry from Andrews University. Prior to coming to PUC, Tuwan instructed behavioral sciences courses at SAU & Belhaven University and pastored in Atlanta. Those interests have continued at PUC as Tuwan currently serves in the psychology and social work department, and he continues to preach itinerantly for church groups on topics of social justice and community empowerment.

In addition to teaching, Tuwan serves as diversity, equity and inclusion officer & director of service learning. Professional affiliations include the National Association of Black Social Workers & National Youth and Leadership Conference for Service Learning.

Tuwan enjoys spending family time with his wife and their four kids, and his favorite Bible verse is John 10:10: I have come that they may have life, and that they may have it more abundantly.


Degrees

M.S.W., Andrews University

2007

M.A.P.A., Andrews University

2014

Robin Vance

Robin Vance, Ph.D.

Professor of Biology

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Robin Vance

Tel: 1-707-965-6227
Email: rvance@puc.edu

Robin Vance, Ph.D.

Professor of Biology

Robin E. Vance, Ph.D., professor, has taught at PUC since 2001. He specializes in physiology and neurobiology. Dr. Vance's research interests include Antimutagenesis & Anticarcinogenesis, and he advises in the areas of biology and medicine. He taught at Union College for twelve years and chaired their Division of Science & Mathematics from 1996 to 2000. He enjoys tennis, walking and snorkeling.


Degrees

B.S., Loma Linda University

1981

M.S., Loma Linda University

1984

Ph.D., Loma Linda University

1988

Debra Wallace

Debra Wallace, M.S.N., R.N, C.N.E. - Chair

Associate Professor of Nursing, Assistant Director of Off Campus Programs

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Debra Wallace

Tel: 1-707-965-7627
Email: dwallace@puc.edu

Debra Wallace, M.S.N., R.N, C.N.E. - Chair

Associate Professor of Nursing, Assistant Director of Off Campus Programs

Debra Wallace has worked in management her entire career as a nurse, her first job as a women’s health clinic coordinator. She has led out in discharge planning, wellness health screenings, and directed a home health care agency. Working in academics was never something that entered her mind early in her career but has become her true passion since being at PUC 25+ years. Debra is the Director of PUC’s Med Tech/LVN to RN programs and loves working with our off-campus, non-traditional students. It is extremely rewarding to help Med Techs/LVNs reach their RN goal while balancing work, family, military, and other life obligations. She loves hunkering down with a good book, watching movies, gardening, interior design, and spending time with family and friends. Her favorite get-away is to Little River Inn in Mendocino.


Degrees

A.S., Walla Walla Community College

1978

B.S., Walla Walla College

1981

MSN, University of Phoenix

2003

James Wibberding

James Wibberding, D.Min. - Chair

Professor of Applied Theology and Biblical Studies

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James Wibberding

Tel: 1-707-965-6513
Email: jwibberding@puc.edu

James Wibberding, D.Min. - Chair

Professor of Applied Theology and Biblical Studies

Jim Wibberding specializes in Applied Theology and Biblical Studies. He is passionate about building up the God-created potential in others. Jim served as a pastor for seventeen years in Pennsylvania, Idaho, and Washington before joining the faculty of the Theology Department in 2017. While pastoring, he enjoyed training lay pastors, serving a term as Chaplain of the Idaho Senate, acting in Bible and Reformation stage plays, and finding innovative ways to translate the Adventist Message to our changing world. Jim also serves as Adjunct Professor to the Doctor of Ministry Program at Andrews University. In his recreational time, you might find him playing outdoors with his three children, chatting with his wife Laura about a new intellectual curiosity, working on his ’55 Chevy Station Wagon, or building a stringed instrument from reclaimed wood.


Degrees

B.A., Southern Adventist University

2000

M.Div., Andrews University

2004

D.Min., Andrews University

2010

Laura Wibberding

Laura Wibberding, M.A.

Assistant Professor of History

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Laura Wibberding

Tel: 1-707-965-
Email: lwibberding@puc.edu

Laura Wibberding, M.A.

Assistant Professor of History


Degrees

M.A. Andrews University Theological Seminary

2004

B.A. Southern Adventist University

2000

Karl Wilcox

Karl Wilcox, Ph.D.

Associate Professor

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Karl Wilcox

Tel: 1-707-965-
Email:

Karl Wilcox, Ph.D.

Associate Professor


Robert Wilson

Robert Wilson, Ph.D.

Professor of Chemistry

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Robert Wilson

Tel: 1-707-965-7603
Email: rlwilson@puc.edu

Robert Wilson, Ph.D.

Professor of Chemistry

Robert L. Wilson, Ph.D. specializes in analytical and inorganic chemistry. His graduate research focused on the lipid and protein organization within the cell membrane. He currently teaches general, analytical, and inorganic chemsitry and laboratory glassblowing. He enjoys playing boardgames, making glass beads, and camping.


Degrees

B.S., Andrews University

2007

Ph.D., University of Illinois Urbana Champaign

2012

Ross Winkle

Ross Winkle, Ph.D.

Professor of New Testament

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Ross Winkle

Tel: 1-707-965-6516
Email: rwinkle@puc.edu

Ross Winkle, Ph.D.

Professor of New Testament

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.


Degrees

B.A., Walla Walla College

1983

M.Div., Andrews University Theological Seminary

1987

Ph.D., Andrews University

2012

Aimee Wyrick-Brownworth

Aimee Wyrick-Brownworth, M.Sc.

Associate Professor of Biology

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Aimee Wyrick-Brownworth

Tel: 1-707-965-6636
Email: awyrick@puc.edu

Aimee Wyrick-Brownworth, M.Sc.

Associate Professor of Biology

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.


Degrees

B.S., Pacific Union College

1996

M.S., Loma Linda University

1998

M.S., University of Montana

2004

Jiwoo Yoon

Jiwoo Yoon, B.S., CFI, CFII, MEI, ATP

Aviation Instructor

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Jiwoo Yoon

Tel: 1-707-965-6219
Email: jiyoon@puc.edu

Jiwoo Yoon, B.S., CFI, CFII, MEI, ATP

Aviation Instructor

Jiwoo Yoon, “Ji” earned a Bachelor of Science in Aeronautics. She loves flying all aircraft and training passionate students who want to strive for constant growth. "Ji" is a former airline pilot, flight instructor, and UAS pilot. She is also a volunteer pilot for the non-profit organization "Angel Flight" where she flies missions to transport patients or blood products to and from hospitals or other agencies. She is very passionate about sharing the fun and adventure that aviation offers. Let her make your aviation experience relax and enjoyable. When she isn't working, you'll find her playing tennis, hiking, and carver boarding.


Degrees

B.S., Embry-Riddle Aeronautical University

2018

Benjamin Zinke

Benjamin Zinke, Ph.D.

Assistant Professor of Psychology

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Benjamin Zinke

Tel: 1-707-965-6534
Email: azinke@puc.edu

Benjamin Zinke, Ph.D.

Assistant Professor of Psychology

Dr. Zinke (Dr. Z) received a PhD in Family Studies from Loma Linda University in 2012 and has been a licensed marriage and family therapist since 2013. He worked as a child custody mediator at the San Bernardino Court for the past seven years. Additionally, he has been an adjunct professor at La Sierra University teaching undergraduate psychology classes since 2018. His prior experience includes nine years providing CPS mandated, low SES and diverse clients with individual, couples and family therapy as well as anger management, parenting and co-parenting classes. During the 2020 lockdown, he started an online business as a financial coach to empower people to reduce their financial stress.


Degrees

Bachelors in Social Work, La Sierra

2003

Masters in Marital and Family Therapy, Loma Linda

2006

PhD I. Family Studies, Loma Linda

2012

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