Mary YelkenNancy Baker is an environmental analyst in the Massachusetts Department of Environmental Protection, Northeast Regional Office, where she provides oversight and commentary on stormwater issues and coordinates the region's reviews of development projects that require permits from the Department. Nancy has chaired the Technology Acceptance Reciprocity Partnership Stormwater Work Group since it's inception in 1999 and has assisted with the Massachusetts Strategic Envirotechnology Partnership (STEP) evaluation of stormwater technologies, including the preparation of fact sheets, which complement the STEP verification reports.

Previously, Nancy supervised the Department's staff in Outreach Services, which produced publications and training materials, including the Massachusetts Stormwater Management Handbooks. She formerly was an analyst with the Massachusetts DEP Drinking Water Program and the Massachusetts Environmental Policy Act (MEPA) Unit in the Executive Office of Environmental Affairs. Nancy has a B.S. degree in biology, an M.S. degree in marine biology, and enjoys landscape gardening and gourmet cooking.