HES Faculty 

Michael R. Duehrssen, MD

Dr. Duehrssen is the original Director of the International Rescue and Relief Program at Union College which started in 2004. Prior to that, he was Director of Trauma at Southwest Memorial Hospital in Colorado. He graduated with his medical degree in 1989 from Loma Linda University in California, and completed a residency in Obstetrics and Gynecology in California followed by a residency in family practice in Wyoming. He has been an instructor of Pediatric Advanced Life Support, Advanced Cardiac Life Support, Basic and Advanced Trauma Life Support, Advanced Trauma Life Support and Basic and Advanced Disaster Life Support. He has experience with rescue techniques in swift water, rope, aquatic helicopter, confined space, dive and ice. He has led emergency response teams to Hurricane Ike (Texas) in 2008 and tornado relief (Florida) in 2007, and has experience with United Search and Rescue (USAR), Sheriff Tactical and Response Team (STAR) and served as a volunteer fire fighter.

Julie Escobar, MPAS, PA-C

Ms. Escobar was a laboratory assistant at Florida Hospital College of Health Sciences in Orlando before graduating from the Union College Physician Assistant Program. She holds a BA in Biology from Southern Adventist University in Tennessee. She was a volunteer English language teacher for the international School By the Sea.

Michael J. Huckabee, PhD, PA-C

Dr. Huckabee is the Director of the Union College Physician Assistant Program in Lincoln, NE. Prior to this he was in full-time clinical practice at Family Medical Specialties (FMS), Inc. in Holdrege, NE, and was assistant director of the University of Iowa PA Program in the 1980s. He currently provides emergency room coverage throughout the year at FMS. He received his PhD with a specialization in leadership studies from the University of Nebraska- Lincoln. His Master of PA Studies degree was granted in 1997 from the University of Nebraska Medical Center. Michael has been the project director for three 3-year federal training grants for physician assistant education, totaling over $1.3 million. He is a regular lecturer at state and national conferences on the topics of leadership strategies, medical ethics, and advanced medical technologies. He has been appointed to the Education Council of the American Academy of Physician Assistants, Vice President of the Nebraska Coalition for Ethical Research, and President of the Phelps County American Heart Association. He has authored two fictional novels (Healing Noelle and The Torch) and co-authored one non-fiction reference guide (Pure Parenting).

Cliff Korf, MPAS, PA-C

Cliff Korf is the Outreach Director for the Union College Physician Assistant Program. He has over 30 years experience in health care, first as a nurse and then as a physician assistant. Cliff received his Bachelor of Health Science from Wichita State University, Wichita, Kansas, in 1980 and completed his Master of Physician Assistant Studies degree at the University of Nebraska Medical Center in 2001. His clinical practice was in family medicine for two years in rural Kansas before he moved into cardiology for the next twenty years. He worked for two cardiovascular groups in Wichita and was a guest lecturer for the Wichita State University Physician Assistant Program. He came to Union College in Lincoln, NE, in 2000 and while there directed the Coronary Health Improvement Project (CHIP) for the Midwest United States. After a two-year stint with a cardiology practice in Sarasota, Florida, he returned to Lincoln in 2005 to serve at Union College. As Associate Professor, he is course director for clinical skills, clinical lab and imaging instruction and clinical therapeutics. He coordinates an outreach health clinic to the homeless of Lincoln. He is a contributor and consultant for the Handbook of Primary Care Procedures (LWW, 2002). In addition to his current position at Union College, he has provided emergency medicine coverage in several rural Nebraska communities, presently providing regular weekend coverage in Columbus, NE.

Dwain Leonhardt, MD

Dr. Leonhardt is an internist with Lincoln Centre Clinic, PC, in Lincoln, Nebraska. He also serves as a Professor and Medical Director of the Union College Physician Assistant Program. Dr. Leonhardt earned his medical degree in 1975 from Loma Linda University in California. He completed his residency in Internal Medicine at Kettering Medical Center from 1976-1978. After his residency he entered private practice in Moscow, Idaho for a decade, which included serving as medical staff officer, director of an Intensive Care Unit, head of respiratory therapy department, consultant to an Alzheimer’s care unit, and associate professor at the University of Idaho. In 1990, He and his family left Idaho for Taipei, Taiwan, the Republic of China, to serve at the Taiwan Adventist Hospital. In 1996 he returned to the United States to teach at Union College and practice as an internist in Lincoln. At Union College, Dr. Leonhardt serves as the course director for all clinical medicine courses and shares in the instruction for ECG and pathophysiology. He continues to serve on the test-writing committee for the Physician Assistant National Recertification Examination. He is currently a primary clinical investigator for a study of warfarin vs. oral anticoagulation in atrial fibrillation. He is a member of the Nebraska Medical Association and the Lancaster County Medical Society, and has been board-certified by the America College of Physicians since 1979.