Dr. Iyengar is a Professor and Chair of the Department of Statistics. He has collaborated with many child psychiatry faculty members on their grants and papers. He has extensive experience mentoring pre-doctoral and post-doctoral trainees. He participates in the assessment of trainees’ needs for additional training in statistics, in seminars, assists trainees in the preparation of the statistics and data analysis sections of their grant proposals, and consults on data analysis for the trainees’ publications and presentations. In addition, Dr. Iyengar has particular expertise and experience in the statistical issues involved in the design of clinical trials, the analysis of complex nested data (such as ecological momentary activity), missing data, familial data, and longitudinal data.