Johanna Walter serves as data manager on various evaluations, including the TANF-SSI Disability Transition Project and Enhanced Services for the Hard-to-Employ. Walter has extensive experience with administrative records from a variety of providers, such as state welfare agencies, community colleges, the National Student Clearinghouse, health care management systems, and the National Directory of New Hires, as well as with survey and cost data. She has managed data collection, as well as data construction and analysis activities for a number of projects. Walter has also authored implementation and benefit-cost analyses for MDRC reports and papers.