Sari Ladin-Sienne executes Mayor Garcetti’s vision for a more responsive, and data-driven Los Angeles. As Chief Data Officer, Ms. Ladin-Sienne improves access to meaningful information for residents and city employees. She leverages her policy knowledge and technical skillset to form new partnerships that tap into the value of data as a critical asset in smarter decision-making. Ms. Ladin-Sienne believes knowledge sharing is at the core of the smart cities movement. She previously worked as a Harvard Ash Fellow for the Mayor’s Data Team where she led the team’s digital strategy and elevated the city’s best practices to the national conversation through her articles for Harvard’s Data Smart Cities and Government Technology. Ms. Ladin-Sienne has provided data analysis, budgeting, and policy recommendations to a range of public and nonprofit clients including the Consumer Financial Protection Bureau and the Nonprofit Finance Fund. Ms. Ladin-Sienne holds a Master's Degree in Public Policy from the University of California, Berkeley.