Chul Ahn, Ph.D.

Dr. Chul Ahn obtained his MS degree in Operations Research from Georgia Institute of Technology in 1982, and MS and PhD degrees in Statistics from Carnegie Mellon University in 1986. He previously worked as a faculty at the Albert Einstein College of Medicine, City of Hope National Medical Center and the University of Texas Medical School at Houston.

Dr. Ahn is a Professor at the department of Clinical Sciences, Director of Key Functions in "Biostatistics, Epidemiology and Research Design" of CTSA (Clinical and Translational Science Award), and Director of Biostatistics Core at the Simmons Comprehensive Cancer Center. He has more than 290 peer-reviewed publications, including many methodological papers addressing the design and analysis of clinical trials and the evaluation of repeated measurements and correlated data.

Dr. Ahn has been a member of numerous Data and Safety Monitoring Committees and served on numerous study sections and grant review panels of the NIH, National Science Foundation, Department of Defense, and Centers for Disease Control. He worked as a PI of the Biostatistics and Data Management Core of the NIH-funded SCCOR center grant, and multi-center studies.

Undergraduate	Seoul National University - Korea (1979), Engineering
Graduate School	Carnegie Mellon University (1983), Statistics
Graduate School	Carnegie Mellon University (1986), Statistics

• Bioinformatics
• Collaborative studies
• Design and analysis of clinical trials
• Epidemiologic studies
• Repeated measurement and clustered data

Featured Publications

Sample size for repeated binary measurements using GEE

Jung S, Ahn C. Statistics in Medicine 2005 24 2583-2596

Effect of dropout on sample size estimates on trends across repeated measurements

Ahn C, Jung S. Journal of Biopharmaceutical Statistics 2005 15 33-41

Exact test for one sample correlated binary data

Kang SH, Chung S, Ahn C. Biometrical Journal 2005 47 188-193

Effect of correlation and missing data on sample size estimation in longitudinal clinical trials

Zhang S, Ahn C. Pharmaceutical Statistics in press

Optimal biological dose in molecular targeted therapies

Ahn C, Kang SH, Xie Y. Encyclopedia in Clinical Trials 2008 Volume 3 309-317

Tests for the homogeneity of two binomial proportions in extremely unbalanced 2 x 2 contigency tables

Kang SH, Ahn C. Statistics in Medicine 2008 27 2524-2535

Pharmacogenomics in drug discovery and development

Ahn C. Genomics & Informatics June 2007 5(2) 41-45