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Ann Zauber, PhD

Member, Attending Biostatistician

Pictured: Ann Zauber

Office Phone




Johns Hopkins University

Current Research Interests

Dr. Zauber’s primary research focus is identifying and assessing ways to prevent and reduce the burden of colorectal cancer incidence and mortality, specifically through screening and surveillance. Her work involves population-based statistical modeling and precision medicine to identify effective and cost-effective screening strategies in order to better inform health policy and randomized clinical trials.

Dr. Zauber leads the Cancer Intervention and Surveillance Modeling Network (CISNET) colorectal group, a multi-center group of microsimulation modelers sponsored by the National Cancer Institute. Her team conducted decision analyses for the 2008 and 2016 United States Preventive Services Task Force colorectal cancer screening recommendations on optimal age to begin and end screening, screening intervals, and screening modality.  She was the Principal Investigator for the National Colonoscopy Study, a multi-center randomized controlled trial for screening colonoscopy and fecal occult blood test, and a co-Principal Investigator on the NCI PROSPR consortium. In 2010, Dr. Zauber led the special section in The Annual report to the Nation on Cancer, which featured how microsimulation modeling contributed to more than 50% of the reduction in colorectal cancer over the past 25 years, and how increased screening utilization can provide continued reductions in mortality.

She works closely with the Cystic Fibrosis Foundation, Kaiser Permanente, Centers for Medicare and Medicaid Services, Centers for Disease Control and Prevention, and American Cancer Society on colorectal cancer screening and prevention, and the (cost)-effectiveness of available and novel screening tests in average and genetically predisposed (high risk) populations. Additionally, she continues to serve as lead biostatistician on many national and international studies including the National Polyp Study and a pilot study on screening in Nigeria. She is a Fellow of the American Statistical Association and the American Gastroenterology Association.



  1. Knudsen AB, Zauber AG, Rutter CM, et al. Estimation of Benefits, Burden, and Harms of Colorectal Cancer Screening Strategies: Modeling Study for the US Preventive Services Task Force. JAMA. 2016;315(23):2595-609.

  2. Zauber AG, Winawer SJ, O’brien MJ, et al. Colonoscopic polypectomy and long-term prevention of colorectal-cancer deaths. N Engl J Med. 2012;366(8):687-96.

  3. Zauber AG, Lansdorp-vogelaar I, Knudsen AB, Wilschut J, Van ballegooijen M, Kuntz KM. Evaluating test strategies for colorectal cancer screening: a decision analysis for the U.S. Preventive Services Task Force. Ann Intern Med. 2008;149(9):659-69.

  4. Lansdorp-Vogelaar I, Gulati R, Mariotto AB, Schechter CB, de Carvalho TM, Knudsen AB, van Ravesteyn NT, Heijnsdijk EA, Pabiniak C, van Ballegooijen M, Rutter CM, Kuntz KM, Feuer EJ, Etzioni R, de Koning HJ, Zauber AG, Mandelblatt JS. Personalizing age of cancer screening cessation based on comorbid conditions: model estimates of harms and benefits. Ann Intern Med. 2014;161(2):104-12.

  5. Corley DA, Jensen CD, Marks AR, Zhao WK, Lee JK, Doubeni CA, Zauber AG, de Boer J, Fireman BH, Schottinger JE, Quinn VP, Ghai NR, Levin TR, Quesenberry CP. Adenoma detection rate and risk of colorectal cancer and death. N Engl J Med. 2014;370(14):1298-306.

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