Jane Blumenfeld has been affiliated with cityLAB since its inception in 2006. Blumenfeld has nearly four decades of experience as a professional planner, primarily in the public sector, where until 2010 she was Acting Deputy Director of the Los Angeles Department of City Planning and Head of the Citywide Planning Division. Jane was instrumental in implementing some of Los Angeles's most innovative urban policies, including the Small Lot Ordinance and the Adaptive Reuse Ordinance. Her planning career has touched upon almost all major contemporary concerns, from smart growth and bicycle plans to sustainable building and transit-oriented development. Her contribution to cityLAB focuses primarily on affordable housing, and more particularly, backyard housing. She received her Masters of Urban Planning from the University of Pennsylvania.