It's here: our final interview from 'Next Up: The LA River', featuring Mia Lehrer of Mia Lehrer + Associates. Lehrer was a major driving force in the 2007 Los Angeles River Revitalization Master Plan, and has worked for nearly 20 years on projects related to the River—undeniably preceding any involvement from Frank Gehry.

Paul Petrunia sits down with Lehrer to speak about her history with the river and its redevelopment, as well as her thoughts for how the project must proceed.