Sean Ronnekleiv-Kelly, MD, FACS

Assistant Professor

  • Endowed Professor, Ronald E. and Patricia A. Kissinger Surgical Oncology Research Professorship 
  • Division of Surgical Oncology

  • Administrative Assistant: (608) 262-2025

600 Highland Ave
BX 7375
K4/757 CSC
Madison, WI 53792


  • MD, University of Colorado School of Medicine, 2008
  • General Surgery Residency, University of Wisconsin School of Medicine and Public Health, 2015
  • Complex General Surgical Oncology Fellowship, Johns Hopkins Hospital, 2017

Clinical Specialties

Certified by the American Board of Surgery in General Surgery and specializes in malignant disease of the pancreas, liver, gallbladder and biliary tree, stomach and small intestine, neuroendocrine tumors and retroperitoneal sarcoma.

Research Interests

Principal research interest is pancreatic cancer. My lab focuses on formation and progression of pancreatic cancer as well as understanding communication within the tumor microenvironment.

Recent Publications

  • Chronic Jetlag Alters the Landscape of the Pancreatic Lipidome.
    Schwartz PB, Barrett-Wilt GA, Ronnekleiv-Kelly SM
    Pancreas 2022 01 01; 51(1): 80-89
    [PubMed ID: 35195599]

  • Sex-dependent development of Kras-induced anal squamous cell carcinoma in mice.
    Walcheck MT, Matkowskyj KA, Turco A, Blaine-Sauer S, Nukaya M, Noel J, Ronnekleiv OK, Ronnekleiv-Kelly SM
    PLoS One 2021; 16(11): e0259245
    [PubMed ID: 34735515]

  • Peripheral nerve blocks with liposomal bupivacaine are associated with increased opioid use compared to thoracic epidural in patients with an epigastric incision.
    Aiken TJ, Padilla E, Lemaster D, Ronnekleiv-Kelly S, Weber S, Minter RM, Ethier S, Abbott DE
    J Surg Oncol 2022 Mar; 125(3): 387-391
    [PubMed ID: 34617592]

  • Chronic jetlag-induced alterations in pancreatic diurnal gene expression.
    Schwartz PB, Walcheck MT, Berres M, Nukaya M, Wu G, Carrillo ND, Matkowskyj KA, Ronnekleiv-Kelly SM
    Physiol Genomics 2021 08 01; 53(8): 319-335
    [PubMed ID: 34056925]

  • Cumulative GRAS Score as a Predictor of Survival After Resection for Adrenocortical Carcinoma: Analysis From the U.S. Adrenocortical Carcinoma Database.
    Baechle JJ, Marincola Smith P, Solórzano CC, Tran TB, Postlewait LM, Maithel SK, Prescott J, Pawlik T, Wang TS, Glenn J, Hatzaras I, Shenoy R, Phay JE, Shirley LA, Fields RC, Jin L, Abbott DE, Ronnekleiv-Kelly S, Sicklick JK, Yopp A, Mansour J, Duh QY, Seiser N, Votanopoulos K, Levine EA, Poultsides G, Kiernan CM
    Ann Surg Oncol 2021 Oct; 28(11): 6551-6561
    [PubMed ID: 33586069]

All Publications on PubMed