House Officers
Class of 2028 - CBY
University of North Dakota
![Timothy Colwell, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/colwell_600x900.jpg)
University of Nebraska Medical Center
![Melanie Kaiser, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/kaiser.jpg)
Creighton University
![Saad Khan, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/khan_600x900.jpg)
University of Nebraska Medical Center
![Nathaniel Pester, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/pester_600x900.jpg)
University of Nebraska Medical Center
![Luke Polenz, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/polenz_600x900.jpg)
University of Nebraska Medical Center
![Alexander Scheiber, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/scheiber_600x900.jpg)
University of Nebraska Medical Center
![Shelby Bauer, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/bauer_600x900.jpg)
University of Nebraska Medical Center
![Mariah Tessin, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/tessin_600x900.jpg)
University of Nebraska Medical Center
![Maranda Thompson, MD, PhD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/thompson_600x900.jpg)
University of Nebraska Medical Center
![Zach Walkenhorst, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/walkenhorst_600x900.jpg)
Kansas City University
Advanced - joining as a CA1 in July 2025
![Galeh Margossian, DO, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/margossian_900x600.jpg)
University of Kansas
Advanced - joining as a CA1 in July 2025
![David Watson, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/watson_900x600.jpg)
Class of 2027 - CA1
University of Missouri-Columbia
![Tyler Austin, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/austin_900x600.jpg)
Creighton University
![Matthew Becar, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/becar_900x600.jpg)
University of Colorado
![Hailey Buckingham, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/buckingham_900x600.jpg)
University of Nebraska Medical Center
![Brittany Clifton, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/clifton_900x600.jpg)
University of Nebraska Medical Center
![Paul Doran, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/doran_900x6001.jpg)
Kansas City University
![Ifunanya Ejikeme, DO](https://www.unmc.edu/anesthesia/_images/house-officers/ejikeme_900x600.jpg)
Kansas City University
![Jacob Glowacki, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/glowacki_900x6001.jpg)
University of Rochester
![Christopher Keenan, MD](https://www.unmc.edu/anesthesia/_images/house-officers/keenan_900x600.jpg)
Indiana University
![Shadashalin (Dash) Pierce, MD](https://www.unmc.edu/anesthesia/_images/house-officers/pierce_900x600.jpg)
Washington State University
![Kalkena Sivanesam, MD, PhD](https://www.unmc.edu/anesthesia/_images/house-officers/sivanesam_900x600.jpg)
St. Louis University
![Ian South, MD](https://www.unmc.edu/anesthesia/_images/house-officers/south_900x600.jpg)
University of Washington
![Abigail (Abby) Tesnohlidek, MD](https://www.unmc.edu/anesthesia/_images/house-officers/tesnohlidek_900x600.jpg)
Class of 2026 - CA2
University of Nebraska Medical Center
![Josh Abels, MD](https://www.unmc.edu/anesthesia/_images/house-officers/abels_900x600.jpg)
University of North Dakota
![Hayden Brodersen, MD](https://www.unmc.edu/anesthesia/_images/house-officers/brodersen_900x600.jpg)
University of Nebraska Medical Center
![Zac Egr, MD](https://www.unmc.edu/anesthesia/_images/house-officers/egr_900x600_2.jpg)
Chicago Medical School-Rosalind Franklin University
![Cameron Evans, MD](https://www.unmc.edu/anesthesia/_images/house-officers/evans_900x600.jpg)
Texas A&M
![Robert Guidangen, MD](https://www.unmc.edu/anesthesia/_images/house-officers/guidangen_900x6001.jpg)
University of Missouri-Columbia
![Jennie Keum, MD](https://www.unmc.edu/anesthesia/_images/house-officers/keum_900x600.jpg)
Rocky Vista University
![Sara Linza-Moscati, DO](https://www.unmc.edu/anesthesia/_images/house-officers/linzamoscati_900x600.jpg)
Baylor University Medical Center
![Shawn Nelson, MD](https://www.unmc.edu/anesthesia/_images/house-officers/nelson_900x600.jpg)
Des Moines University
![Alec Seei, DO](https://www.unmc.edu/anesthesia/_images/house-officers/seei_900x600.jpg)
University of Nebraska Medical Center
![Noah Svec, MD](https://www.unmc.edu/anesthesia/_images/house-officers/svec_900x600.jpg)
University of Nebraska Medical Center
![Chris Weber, MD](https://www.unmc.edu/anesthesia/_images/house-officers/weber_900x600.jpg)
Marian University
![](https://www.unmc.edu/anesthesia/_images/house-officers/wright_900x600.jpg)
Class of 2025 - CA3
University of Kansas School of Medicine-Wichita
![Blair Benton Mack, MD](https://www.unmc.edu/anesthesia/_images/house-officers/benton_mack_900x600.jpg)
University of Nebraska Medical Center
![Nathan Goergen, MD, PhD](https://www.unmc.edu/anesthesia/_images/house-officers/goergen_900x600.jpg)
Chief Resident
University of Minnesota
![Jane Goodson, MD](https://www.unmc.edu/anesthesia/_images/house-officers/goodson_900x600.jpg)
University of Nebraska Medical Center
![Lauren Costello, MD](https://www.unmc.edu/anesthesia/_images/house-officers/gruefe_900x600.jpg)
Des Moines University
![William Guthmiller, DO](https://www.unmc.edu/anesthesia/_images/house-officers/gutmiller_900x600.jpg)
Chief Resident
University of Nebraska Medical Center
![Paul Harding, MD](https://www.unmc.edu/anesthesia/_images/house-officers/harding_900x600.jpg)
University of Texas Medical Branch
![Gary LaCroix, MD](https://www.unmc.edu/anesthesia/_images/house-officers/lacroix_900x600.jpg)
University of Nebraska Medical Center
![Jeremy Payne, MD](https://www.unmc.edu/anesthesia/_images/house-officers/payne_900x600.jpg)
Indiana University
![Zachary Schell, MD](https://www.unmc.edu/anesthesia/_images/house-officers/schell_900x6001.jpg)
Des Moines University
![Elizabeth Ternent-Rech, DO](https://www.unmc.edu/anesthesia/_images/house-officers/ternet_900x600.jpg)
University of Nebraska Medical Center
![Taylor Ziegler, MD](https://www.unmc.edu/anesthesia/_images/house-officers/ziegler_900x600.jpg)
Cardiothoracic Anesthesiology Fellows
Medical School - University of Iowa
Residency - University of Alabama at Birmingham
![Tyler Abarca, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/abarca_900x600.jpg)
Medical School - Marian University
Residency - Cleveland Clinic Foundation
Fellowship - University of Nebraska Medical Center, Critical Care
![Scott Breeden, DO, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/breeden_900x6001.jpg)
Medical School - Kansas City University
Residency - University of Central Florida
![Christopher Konkel, DO, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/konkel_900x600.jpg)
Medical School - Ross University School of Medicine
Residency - Robert Packer Hospital
![Jaimi Philip, MD, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/philip_900x600.jpg)
Medical School - University of Nebraska Medical Center
Residency - University of Nebraska Medical Center
![Megan Rolfzen, MD, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/rolfzen_900x600.jpg)
Critical Care Anesthesiology Fellows
Medical School - University of Kansas School of Medicine – Wichita
Residency - University of Kansas School of Medicine - Wichita
![Wesley Burdiek, MD, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/burdiek_900x600.jpg)
Medical School - Alabama College of Osteopathic Medicine
Residency - Christus Spohn-Shoreline, Emergency Medicine
![Nicholas Linares, DO, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/linares_900x6001.jpg)
Medical School - Edward Via College of Osteopathic Medicine, Carolinas Campus
Residency - HCA East Florida - St. Lucie Medical Center, Emergency Medicine
![Timothy McNamara, DO, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/mcnamara_900x6001.jpg)
Medical School - Kansas City University
Residency - HCA Medical City Arlington, Emergency Medicine
![Mason Patel, DO, headshot](https://www.unmc.edu/anesthesia/_images/fellowship/patel_900x600.jpg)
Pain Medicine Fellows
Medical School - Nova Southeastern University
Residency -HCA Florida Kendall Regional Medical Center
![James Bolduc, DO, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/bolduc_900x600.jpg)
Medical School - New York Institute of Technology
Residency - University of Nebraska Medical Center
![Leith Hobbs, DO, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/hobbs_900x600.jpg)
Medical School - University of Nebraska Medical Center
Residency - University of Nebraska Medical Center
![Dan Nicholls, MD, headshot](https://www.unmc.edu/anesthesia/_images/house-officers/nicholls_900x6001.jpg)
![](https://www.unmc.edu/anesthesia/_images/about/house_officers_square.jpg)
Residency Training
The first clinical anesthesia year (CA1) begins after the completion of a foundational clinical skills year (CBY). The department offers categorical positions, which include one clinical base year and three clinical anesthesia years.