Daniel J. Klein is Sr. Research Manager of the Applied Math Center, a cross-cutting team within IDM which supports modeling and analytics within IDM and on-behalf of our external partners. Since joining IDM in 2010, he has co-lead development of the EMOD-HIV model, published algorithms for stochastic model optimization and calibration, and presented modeling results to international stakeholders. Dr. Klein studied engineering at the Univ. of Wisconsin before earning a Ph.D. in Aeronautics & Astronautics with specialization in control theory from the Univ. of Washington. During 2018, he led various data science and strategy initiatives as a Senior Program Officer in the Global Development Strategy, Data, and Analytics team at the Bill & Melinda Gates Foundation. Prior to joining IDM, Dr. Klein was enjoying the sunshine of Santa Barbara, CA as a postdoctoral scholar with the Center for Control and Dynamical Systems at UCSB.