A photo of Nicholas Ollberding.

Associate Professor, UC Department of PediatricsUC Department of Rehabilitation, Exercise, and Nutrition Sciences


Biography & Affiliation


Nicholas Ollberding is an epidemiologist with applied research interests into the role of diet in the etiology and progression of chronic disease and the impact of the developing infant intestinal microbiome on growth and early development. Areas of methodical research interest include the application and development of analytical methods for microbial metagenomic next-generation sequence data, dietary assessment and analysis methodology, predictive modeling, and casual inference. He also collaborates broadly as a quantitative methodologist in the area of health sciences research and leads the Biostatistics Core of the Heart Institute Research Core and the Microbial Metagenomics Analysis Center at Cincinnati Children’s Hospital Medical Center.

Research Interests

Nutritional epidemiology; microbial metagenomics; quantitative methods; dietary assessment and analysis methodology

Academic Affiliation

Associate Professor, UC Department of PediatricsUC Department of Rehabilitation, Exercise, and Nutrition Sciences

Research Divisions



PhD: Columbia University, New York, 2009.

MPhil: Columbia University, New York, 2009.

MS: University of Cincinnati, Cincinnati, OH, 2008.

BS: Miami University, Oxford, OH, 2004.


Prevalence of ICU Delirium in Postoperative Pediatric Cardiac Surgery Patients. Staveski, SL; Pickler, RH; Khoury, PR; Ollberding, NJ; Donnellan, AL; Mauney, JA; Lincoln, PA; Baird, JD; Gilliland, FL; Merritt, AD; et al. Pediatric Critical Care Medicine. 2020; Publish Ahead of Print.

Body composition changes over multiple academic years in female collegiate soccer players. Katona, A; Riewe, C; Bruzina, A; Ollberding, NJ; Ankrom, M; Divine, J; Mangine, R; Peairs, A. 2020; 5:72-72.

Microbial shifts and shorter time to bowel resection surgery associated with c. difficile in pediatric Crohn's disease. Hellmann, J; Andersen, H; Fei, L; Linn, A; Bezold, R; Lake, K; Jackson, K; Meyer, D; Dirksing, K; Bonkowski, E; et al. Inflammatory Bowel Diseases. 2020; 26:1212-1221.

Maternal Body Dissatisfaction and Accuracy of Infant Weight Perception in Families From Low-Income Backgrounds. Khalsa, AS; Copeland, KA; Misik, L; Brown, CL; Kharofa, RY; Ollberding, NJ. Academic Pediatrics. 2020; 20:793-800.

Optimal Sweep Gas to Blood Flow Ratio (V/Q) for Initiation of Cardiopulmonary Bypass in a Pediatric Patient Population: A Retrospective Analysis. Clingan, SP; Reagor, JA; Ollberding, NJ. The Journal of extra-corporeal technology. 2020; 52:112-117.

Social Risk Screening in Pediatric Primary Care Anticipates Acute Care Utilization. Wurster Ovalle, VM; Beck, AF; Ollberding, NJ; Klein, MD. Pediatric Emergency Care. 2020; Publish Ahead of Print.

Clinically Asymptomatic Sleep-Disordered Breathing in Infants with Single-Ventricle Physiology. Stamm, RW; Henry, BM; Sawnani, H; Simakajornboon, N; Rulong, G; Ollberding, NJ; Hanke, SP; Dye, TJ; Cooper, DS. (2020) Elsevier BV. 218:92-97.

Selective Use of Inpatient Interstage Management After Norwood Procedure. Hill, GD; Tanem, J; Ghanayem, N; Rudd, N; Ollberding, NJ; Lavoie, J; Frommelt, M. Annals of Thoracic Surgery. 2020; 109:139-147.

mDixon ECG-gated 3-dimensional cardiovascular magnetic resonance angiography in patients with congenital cardiovascular disease. Kourtidou, S; Jones, MR; Moore, RA; Tretter, JT; Ollberding, NJ; Crotty, EJ; Rattan, MS; Fleck, RJ; Taylor, MD. Journal of Cardiovascular Magnetic Resonance. 2019; 21.

Calcification and extracellular matrix dysregulation in human postmortem and surgical aortic valves. Gomez-Stallons, MV; Tretter, JT; Hassel, K; Gonzalez-Ramos, O; Amofa, D; Ollberding, NJ; Mazur, W; Choo, JK; Smith, JM; Kereiakes, DJ; et al. Heart. 2019; 105:1616-1621.