Our Team’s Biographies

Royce A. Mueller, M.D.

Dr. Mueller joined Ear, Nose and Throat Specialties in July 1991.  He received an undergraduate degree with distinction from the University of Nebraska-Lincoln.  He attended medical school at the University of Nebraska Medical Center in Omaha, Nebraska.  Following medical school, he completed a surgical internship and residency in Otolaryngology-Head and Neck Surgery at the University of Utah Affiliated Hospitals in Salt Lake City, Utah.   After a fellowship year in facial plastic surgery, he returned to Nebraska to begin his career with Ear, Nose and Throat Specialties.  He is board certified in Otolaryngology and his professional interests include pediatrics, nasal and sinus surgery.

Terry S. Olson, M.D.

A native of Lincoln, Dr. Olson began his undergraduate education at the University of Nebraska-Lincoln.  After receiving his Bachelor of Science degree as well as his Medical Degree from the University of Nebraska College of Medicine, he went on to California to continue his medical training.  His surgical internship and residency were completed at the University of California's San Diego Medical Center.  His interests then led him to pursue a fellowship in Facial Plastic & Reconstructive Surgery and Head and Neck Oncology from the University of Michigan.  He is board certified in Otolaryngology and Facial Plastic and Reconstructive Surgery.  He has been a physician with Ear, Nose and Throat Specialties since 1991.

H. Russell Semm, M.D.

Born in Mitchell, South Dakota and raised in Grand Island, Nebraska, Dr. Semm attended the University of Nebraska-Lincoln graduating with a Bachelor of Science degree in Chemistry and Mathematics in 1972 and a Masters degree in English in 1974.  He completed his Medical Degree at the University of Nebraska Medical Center in Omaha in 1978.  After medical school, he did his internship at the University of Oregon Health Sciences Center in Portland, Oregon and completed his Otolaryngology residency at Ohio State University and Columbus Children's Hospital.  He has been in private practice in Lincoln since 1982.  Dr. Semm was one of the founding members of Ear, Nose and Throat Specialties in April of 1991. Board certified by the American Board of Otolaryngology, his professional interests include sinus surgery and pediatric ENT. 

Dana P. Wolfe, M.D.

A graduate of the University of Nebraska Medical Center, Dr. Wolfe completed his internship and residency in Otolaryngology at the University of California's San Diego Medical Center.  He was then in private practice in Fresno, California for 5 years before joining Sharp Rees -Stealy Medical Group in San Diego, California.  After deciding to move back home to Nebraska in 2004, Dr. Wolfe joined Ear, Nose and Throat Specialties.  Dr. Wolfe is board certified in Otolaryngology.


Chris A. Cederberg, M.D.

Our newest physician, Dr. Cederberg, is a Lincoln native.  He attended the University of Nebraska-Lincoln and graduated with a Bachelor of Science degree in Biochemistry.  He received his Medical Degree from the University of Nebraska Medical Center where he also did his General Surgery Internship.  He completed his residency in Otolaryngology-Head and Neck at the Medical College of Wisconsin.  He began practicing with Ear, Nose and Throat Specialties in July 2009.

Beki E. Garrett, PA-C

Beki joined Ear, Nose and Throat Specialties in June 2008.  She is a graduate of the Union College Physician Assistant Program in Lincoln, Nebraska.  An integral part of the team, Beki assists physicians in surgery as well as seeing patients in the clinic.

Nikki Kopetzky, AuD, CCC-A, F-AAA
 
 
Nikki Kopetzky, AuD, CCC-A, F-AAA, received her Doctor of Audiology degree from Pennsylvania College of Optometry, now Salus University, in 2008. She received her Master of Science degree in Audiology from the University of Nebraska-Lincoln (UNL) in 2004 and Bachelor of Science degree in Communication Disorders from UNL in 2000. She has been working at ENT Specialties since March of 2003 and is currently the audiology and hearing aid departments' manager.

Nikki has been interested in Audiology since a young age because she grew up with a hearing impaired father and has a good childhood friend who was born deaf. Her special interests include diagnostic testing, working with hearing aids and pediatric audiology. She is a member of the Nebraska State Speech Language and Hearing Association, the American Academy of Audiology, and the American Speech and Hearing Association. In her free time she enjoys spending time outdoors with her husband and daughter.

Claudia Pleskac, M.A., CCC-A
 
Claudia Pleskac, M.A., CCC-A, a native of Lincoln, Nebraska, received her Master of Arts degree in Audiology from the University of Nebraska -Lincoln in 1975. She has been employed as an Audiologist for over 34 years including employment with ENT Specialties since June 2003. The diagnostic testing of all age groups and the evaluation of balance disorders are her main areas of interest. Recently she has begun working with hearing aids. Claudia and her husband have seven children and are enjoying being grandparents.  

Kristin Jolkowski, Au.D., CCC-A

Kristin Jolkowski, Au.D., CCC-A, is a Lincoln native and has worked at ENT Specialties since February 2009. She received her Doctor of Audiology degree from the University of Nebraska-Lincoln in 2009. Her main interests include hearing aids and diagnostic testing. In her spare time she enjoys watching movies with her husband, and spending time with family. 




Nicole Williams, B.S. Ext-A

Nicole Williams, B.S. Ext-A, originally form Ogallala, Nebraska, received her Bachelor of Science degree in 2006 from the University of Nebraska-Lincoln. She has completed all of the required course work for her Doctor of Audiology degree at the University of Kansas Medical Center. She is currently completing her Audiology externship at ENT Specialties and will graduate in May 2010. When not at work, Nicole enjoys traveling and spending time with her friends and family.