Cheng-Shiun Leu, Ph.D., is a Biostatistician and Research Scientist at the HIV Center. He is an Assistant Professor of Clinical Biostatistics at the Columbia University
Mailman School of Public Health. His research interests include HIV research, clinical trials, sample design and experimental design. He has served as a full-time biostatistician at the HIV Center since 1998 and has contributed in research design, development of methodologies, and statistical analyses in majority of the Center studies.

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