UNMC for the record, July 31, 2026

Cale Kassel, MD, and Lauren Costello, MD

UNMC anesthesiologists named to national roles

UNMC Department of Anesthesiology faculty Cale Kassel, MD, associate professor, has been named director of the Nebraska Society of Anesthesiologists Board of Directors, and pediatric anesthesiology fellow Lauren Costello, MD, who will become an associate professor in the department this fall, will serve as alternate director, both representing UNMC on a national stage as part of the American Society of Anesthesiologists.

The NSA is Nebraska’s component society of the ASA, the nation’s largest professional organization for physician anesthesiologists. The NSA promotes the profession of anesthesiology, advocates for physician-led care and seeks to further the education of its members. Through its representation on the ASA Board of Directors, the NSA ensures Nebraska’s voice is part of national conversations shaping the specialty. Read more.

Retirements announced

Thirty-one UNMC employees have retired or announced their intention to retire, the human resources department reported in July.

Among the retirees are:

  • Nichole Simmons, UNMC College of Allied Health, retired July 1 (start date April 21, 1997)
  • Lisa Stillahn, UNMC Department of Orthopaedic Surgery and Rehabilitation, retired March 6 (start date Jan. 15, 1987)
  • Jennifer Cera, PhD, UNMC College of Nursing, announced plans to retire Sept. 1 (start date Aug. 15, 2011)
  • Jonathan Vennerstrom, PhD, UNMC College of Pharmacy, retired July 1 (start date Aug. 1, 1987)
  • Keith Allen, PhD, Munroe-Meyer Institute, retired July 1 (start date Sept. 7, 1987)
  • Shantaram Joshi, PhD, UNMC Department of Genetics, Cell Biology and Anatomy, retired July 1 (start date April 1, 1983)
  • Joyce Black, PhD, UNMC College of Nursing, announced plans to retire on Sept. 1 (start date Aug. 16, 1982)
  • Wallace Thoreson, PhD, UNMC Department of Ophthalmology and Visual Sciences, retired July 1 (start date March 1, 1993)
  • Curtis Coughlin, Lions Eye Bank, retired June 1 (start date Feb. 22, 1990)
  • Priscilla Phillips, UNMC Department of Pediatrics-Cardiology, retired June 2 (start date July 18, 1994)
  • Carl Smith, MD, UNMC Department of Obstetrics and Gynecology, retired July 1 (start date Dec. 1, 1990)
  • Huangui Xiong, MD, PhD, UNMC Department of Pharmacology and Experimental Neuroscience, retired July 1 (start date Nov. 15, 1997)
  • Teresa Hultquist, PhD, UNCM College of Nursing, retired July 1 (start date Feb. 12, 1998)
  • Denise Hoover, Child Health Research Institute, retired June 1 (start date June 1, 1999)
  • Robert Bociek, UNMC Department of Internal Medicine-Oncology/Hematology, retired July 1 (start date Sept. 9, 1998)
  • Jianuo Liu, PhD, UNMC Department of Pharmacology and Experimental Neuroscience, retired July 1 (start date Jan. 16, 2007)
  • Janet Nieveen, PhD, UNMC College of Nursing, announced plans to retire on Sept. 1 (start date Dec. 1, 1987)
  • Steven Pera, UNMC Department of IT Development and Operations, announced plans to retire on Aug. 8 (start date Sept. 11, 2000)
  • Scott Fletcher, MD, UNMC Department of Pediatrics-Cardiology, retired July 2 (start date Sept. 1, 2021)
  • Ann Yager, UNMC Department of Radiation Oncology, retired July 5 (start date April 19, 1993)
  • Peggy Finch, UNMC Department of Neurosurgery, retired on July 1 (start date Dec. 29, 2005)
  • Trina Aguirre, PhD, UNMC College of Nursing, announced plans to retire on Sept. 1 (start date Sept. 1, 2007)
  • Gerard Byrne, DDS, UNMC Department of Adult Restorative Dentistry, retired July 1 (start date Sept. 17, 2007)
  • Lori Spracklen, UNMC College of Dentistry, retired July 7 (start date Aug. 5, 2008)
  • Risto Rautiainen, PhD, UNMC Department of Environmental, Agricultural and Occupational Health, retired July 1 (start date Sept. 1, 2009)
  • Susan Bless, UNMC College of Medicine, retired July 1 (start date Sept. 29, 2009)
  • Kirk Hansen, UNMC Department of Pathology, Microbiology & Immunology, announced plans to retire on Aug. 4 (start date April 25, 2011)
  • Marvin Olson, UNMC Department of Facilities Management and Planning-Operations, retired May 30 (start date Oct. 15, 2012)
  • Lynn Borstelmann, DNP, UNMC College of Nursing, announced plans to retire on Sept. 1 (start date Jan. 4, 2021)
  • Nancy Ballard, UNMC Department of Genetics, Cell Biology and Anatomy, announced plans to retire on Aug. 4 (start date April 30, 2018)
  • Renee Sullivan, DNP, UNMC College of Nursing, announced plans to retire on Sept. 1 (start date Aug. 19, 2019)
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