Faculty
Wayne Borin, Ph.D.
Faculty Since 2024
Assistant Professor of Kinesiology
Susan Bussell, D.N.P., R.N., A.C.N.P
Faculty Since 2005
Professor of Nursing
Susan Bussell, professor of nursing, started teaching full-time at PUC in 2005 after teaching clinicals as an adjunct professor at Kaiser Vallejo in 2003. With a CNE, she taught pharmacology, pathophysiology, and multiple medical/surgical classes. Between 2014 and 2020, she was the AS program director. Susan was honored to be awarded Educator of the Year in the 2022-23 school year.
She graduated from LLUSN in 1993 with a BSN and received her MSN and acute care nurse practitioner from USCF in 1999. In 2013, she graduated from LLUSN with her DNP. Susan met her husband Ty at PUC, and they have been married for almost 30 years. Napa Valley has been home for 31 years with their four children, including her daughter-in-law. She loves baking, providing food for groups, traveling, and being with her family and dogs. Susan enjoys crafts, sewing, and everything Christmas.
Degrees
B.S., Loma Linda University
1993
M.S., University of California, San Francisco
1999
Serah Choi, M.S.N., R.N.
Faculty Since 2013
Assistant Professor of Nursing
Simulation and Lab Director
Degrees
B.S.N., Pacific Union College
2008
M.S.N., Loma Linda University
2012
Tony Chung, B.S.N., R.N.
Faculty Since 2021
Instructor of Nursing
Tony Chung, adjunct nursing professor and clinical instructor at Piner’s Nursing Home in Napa, California, joined PUC in 2021. He has a background in geriatric care, and his transition from bedside nurse to educator allows his nursing students to apply their learned concepts to a clinical setting under experienced guidance. He wants to ensure each student nurse has an equal opportunity to deliver care, safety, and comfort to their patients with confidence.
Degrees
BSN: Framingham State University
2014
ASN, Atlantic Union College
2011
BBA, Assumption University, Bangkok, Thailand
1997
Kimberly Dunker, D.N.P., M.S.N., R.N., C.N.E., C.N.E.cl
Dean of Nursing and Health Sciences, Professor of Nursing
ProfileKimberly Dunker, D.N.P., M.S.N., R.N., C.N.E., C.N.E.cl
Faculty Since 2021
Dean of Nursing and Health Sciences, Professor of Nursing
Originally graduating from Atlantic Union College with her AS and BS degrees she has been a nurse for 22 years. Kimberly has worked in a variety of Critical Care nursing areas, specializing in Adult, Surgical, Medical, Oncology, Thoracic, Neurology and Cardiac Surgeries. In addition to holding academic teaching positions, both in the classroom and in clinical instruction, she previously taught at her alma-mater, Atlantic Union College as an Associate Professor of Nursing. She has taught in both pre-licensure medical-surgical nursing, nursing research and RN-BS courses in Informatics and Nursing Leadership as well as master's level nursing education and leadership courses. Her doctoral research and publications focus on, "The Empowerment of Nursing Faculty, development, and Orientation." Her core values focus on student outcomes and retention and academic and clinical faculty satisfaction and development.
In addition to her work in academics, Kimberly is a SIGMA Advisor and author for new nursing educators and has served in accreditation roles.
Most recently, Kimberly comes to us from the Fortis Institute in Nashville, Tennessee, where she was the dean of nursing, and provided leadership in the planning, development, implementation, and evaluation of the nursing program under the president of the college and national VP of Nursing at Education Affiliates.
Degrees
A.D.N, Atlantic Union College
2000
B.S.N Atlantic Union College
2001
M.S.N Regis College
2004
MSN post masters education Wright State University
2005
DNP, Regis College
2011
Iris Engleman-Tompkins, M.S.N.
Faculty Since 2019
Assistant Professor of Nursing
I come to PUC with 13 years of experience in medical/surgical nursing and two years experience teaching nursing part time. I am happy to return to PUC in this new role, having attended PUC as a student and lived in Angwin as a staff spouse. In my leisure time, I enjoy gardening, cooking, hiking, backpacking, reading, and needle arts. My favorite place to be is outside.
Degrees
BSN CSU Hayward
2006
MSN-Ed Norwich University
2017
Jefferson Joiner, M.S.N., R.N., C.E.N., N.R.E.M.T., W.E.M.T.
Associate Professor of Nursing & Emergency Services, Director of the Emergency Services Program and Director of the Health Sciences Program
ProfileJefferson Joiner, M.S.N., R.N., C.E.N., N.R.E.M.T., W.E.M.T.
Faculty Since 2015
Associate Professor of Nursing & Emergency Services, Director of the Emergency Services Program and Director of the Health Sciences Program
Jeff Joiner has worked in healthcare as an RN since 1980. He has served as staff nurse, department manager, nursing supervisor, and hospital vice-president. He obtained his MSN as a Clinical Nurse Specialist in Critical Care/Trauma. Jeff holds national certifications in Emergency Nursing and as a Wilderness EMT. He has been active in Emergency Management and Disaster Response at the local, state, national and international levels since 2001. He has over 20 years of experience in higher education teaching Nursing and Emergency Management. He has served as a content expert and lecturer in Disaster Response and Emergency Management. He continues to maintain a clinical practice in Emergency Nursing and is a volunteer Firefighter/EMT. Jeff has been married to his wife Judy for over 40 years. They have two grown daughters and four grandsons. Jeff enjoys camping, reading, scuba diving and international travel.
Degrees
AS, Southern Adventist University
1980
BSN, Southwestern Adventist University
1986
MSN, University of Kentucky
1996
Holly Kalua, M.S.N., B.S.H.A., B.S.M., R.N.
Faculty Since 2024
Director of off-campus Sonora Program
Degrees
A.S. Nursing, Pacific Union College
1986
B.S. Managment, Pacific Union College
2006
B.S. Health Administration, St. Joseph's College of Maine
2015
M.S.N., St. Joseph's College of Maine
2024
Helene Linzau, M.S.N., R.N., C.N.L.
Director of Off-Campus Ukiah Program,
Assistant Professor of Nursing,
Assistant Director to the BRN
Profile
Helene Linzau, M.S.N., R.N., C.N.L.
Faculty Since 2009
Director of Off-Campus Ukiah Program,
Assistant Professor of Nursing,
Assistant Director to the BRN
Helene Linzau teaches fundamentals of nursing. She continues to work occasionally at the St. Helena Hospital. She enjoys shopping for her nieces, quilting, taking pictures, and, if she has time, scrap-booking and traveling.
Degrees
A.S., Loma Linda University
1993
B.S. Loma Linda University
1996
A.S.N., Pacific Union College
1999
B.S.N. Pacific Union College
2000
Kevin Little, R.N., M.S., A.N.P.-B.C.
Faculty Since 2022
Assistant Professor of Nursing
Degrees
UC San Francisco M.S.N & A.N.P
2000
Rocio Magana-Lauth, M.S.N., R.N., P.H.N.
Faculty Since 2024
Assistant Professor of Nursing
Laurie Parson, D.N.P., R.N.-B.C., C.N.E.
Faculty Since 2009
Professor of Nursing
Laurie Parson, DNP, RN-BC, Associate Professor, has worked in healthcare for over 25 years starting as a certified nursing assistant. She has experience in medical/surgical acute care, long-term care, and nursing education. She holds ANCC Board Certification as a medical/surgical nurse and as a gerontological nurse and NLN Certification as a Certified Nurse Educator. Some of her favorite pastimes include, hiking, camping, reading, and traveling with family.
Degrees
B.S., Utah State University
1993
B.S.N., Walla Walla College
1996
M.S., Ball State University
2012
D.N.P., Southern Adventist University
2017
Sirisha Penugula, M.S.N., R.N.
Faculty Since 2023
Assistant Professor
Degrees
E D Thomas Higher Secondary School, India
2002
Nicolette Piaubert, F.N.P., R.N.
Assistant Professor of Nursing, Student Success Coordinator
ProfileNicolette Piaubert, F.N.P., R.N.
Faculty Since 2022
Assistant Professor of Nursing, Student Success Coordinator
Assistant Professor of Nursing Nicolette Piaubert loves God and lives to serve. Her commitment to service includes a career as a Family Nurse Practitioner, but Nicolette’s impact on her community is widespread. She has been active in serving underprivileged children as the founder and CEO of The Talented Tenth Highlanders Summer Camp, as well as helping others obtain their nursing degrees through her Gab-Nic Excelsior Nursing Tutoring Center, both in Brooklyn, New York.
Nicolette is a published author who is also dedicated to supporting marginalized people to find their voices and make them heard through self-publishing. Her first book, Becoming, was published in 2013 and How to Beat a Rigged School System: 13 Steps to 100% followed in 2020. She is currently working on her third book and maintains an active vlogging presence on Facebook and TikTok.
Nicolette received her BSN from Atlantic Union College and her MSN from Pace University, and her favorite text is Jeremiah 29:11: “For I know the plans I have for you,” declares the Lord, “plans to prosper you and not to harm you, plans to give you hope and a future.”
Degrees
B.A., University at Albany, SUNY
2001
B.S.N., Atlantic Union College
2010
M.S.N., Pace University
2020
Christa Rieger, M.S.N., R.N.
Faculty Since 2021
Assistant Professor of Nursing
Degrees
B.S.N., Dominican University of California
2005
M.S.N., Grand Canyon University
2021
Sandra Ringer, M.S.N., R.N., C.N.E.
Assistant Professor of Nursing
Online Director RN-BS, MSN
Profile
Sandra Ringer, M.S.N., R.N., C.N.E.
Faculty Since 2018
Assistant Professor of Nursing
Online Director RN-BS, MSN
Sandra Ringer, MSN, RN, known as Sandy to most, began her career as a Medical-Surgical nurse in Chattanooga, TN. Her clinical experience includes adult medical-surgical nursing, specializing in oncology, gastroenterology and community health. Sandy worked in home health as an IV nurse for 9 years before switching focus to community health. She worked as an RN and lead RN for a preventative medicine clinic in Pennsylvania. She then transitioned into the coordinator for employee wellness programs, working with a team of health professionals to develop employee wellness programs and health screenings for businesses in the greater Reading, Pennsylvania area. She also worked with a clinic that provided healthcare for patients without insurance at no cost. Her most recent clinical experience was with gastrointestinal patients on a medical-surgical unit.
When not working, Sandy loves to cook, travel, camp, watch HGTV and spend time with her husband, David, and their adult sons, Mark and Jonathan and daughter-in-law, Janelle.
Sandy's desire is to share her passion for the nursing profession and Jesus with her students.
Degrees
2016
B.S.N., Grand Canyon University
1990
A.S.N., Southern Adventist University
Matthew Russell, M.S.
Faculty Since 2016
Assistant Professor of Emergency Services
Degrees
B.S., Union College
2014
M.S., Southern Adventist University
2016
Hannah Saravanakumar, M.S.N., R.N.
AS Director,
Associate Professor of Nursing,
Assistant Director to the BRN
Profile
Hannah Saravanakumar, M.S.N., R.N.
Faculty Since 2016
AS Director,
Associate Professor of Nursing,
Assistant Director to the BRN
Degrees
B.S.N., MG Ramachandra Deemed University
2003
M.S.N., Washington Adventist University
2012
Tamara Tirado, D.N.P., R.N., F.N.P., C.N.E
Faculty Since 2008
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
Debra Wallace, M.S.N., R.N, C.N.E.
Director of LVN/Med Tech/EMT-P to RN Off Campus Programs, BRN Assistant Director
ProfileDebra Wallace, M.S.N., R.N, C.N.E.
Faculty Since 1997
Director of LVN/Med Tech/EMT-P to RN Off Campus Programs, BRN Assistant Director
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.