Ruth Lederman, MPH is a trained epidemiologist with over 30 years of experience with data collection, data management, and data analysis. Ms. Lederman is a member of the DF/HCC Survey and Data Management Core, responsible for providing specialized research support for projects that entail self-report and observational data collection from research subjects. She has considerable knowledge of and expertise with methods to maximize participation rates in data collection efforts across a range of community settings. She provides consultation on survey construction and web-based survey design to the DFCI research community