Areli Ariana Balderrama

Policy and Program Analyst

Areli Ariana Balderrama is a Policy and Program Analyst at SafeTREC. They hold a BA in Comparative Literature, a minor in Black Studies from UC Santa Barbara, and a Master of Public Health + a Master of Urban and Regional Planning from the University of Michigan. Through their experience in data visualization, policy and research, they will support projects that promote healthier and safer communities.

Ipsita Banerjee

Research Data Analyst

Ipsita Banerjee is a transport planner with interests in sustainability, safety, transit research, and travel demand analysis. She has worked at SafeTREC as a graduate student researcher and as a policy and program analyst. In her present role as Research Data Analyst, she works primarily on Caltrans’s projects, including Safe Systems Research and Implementation, and Strategies for Reducing Pedestrian and Bicycle Injuries at the Corridor Level. Outside of SafeTREC, she has led efforts on travel demand analysis of work commuters, and ridership prediction for a transit authority, both for...

Jeffrey Chang

Research Administrator

Jeffrey Chang is a Research Administrator at the Safe Transportation Research and Education Center (SafeTREC). He assists the Finance Manager in administering SafeTREC's finances and also works with research staff to help coordinate project activities. He started working at SafeTREC as a student assistant, and after receiving his degree in Molecular and Cell Biology at UC Berkeley, joined SafeTREC full-time.

Katherine L. Chen

Public Engagement and Policy Lead

Katherine Chen is the Public Engagement and Policy Lead at SafeTREC where she coordinates multidisciplinary transportation injury prevention planning and research. She manages the Community Pedestrian and Bicycle Safety Program (CPBSP) as well as projects involving active transportation, teen driver safety, community-level safety planning, and statewide highway safety planning.

Previously, Katherine coordinated public health research with community health centers and served as an Emerson National Hunger Fellow. She received her BA in Public Health from UC Berkeley and MPP from the...

Jarah Crowner

Policy & Program Analyst

At SafeTREC, Jarah coordinates Street Story: a community engagement platform that collects information about transportation collisions, near-misses, hazards, or safe places to travel. She provides technical assistance to organizations and agencies on how to use the tool within the communities they serve. Jarah also serves as support staff for the Community Pedestrian and Bicycle Safety Training and the Complete Streets Safety Assessment program. Jarah received a BS in Biology and a Master of Public Health degree from Jackson State University.

Noelani Fixler

Policy and Program Analyst
Noelani Fixler is a Policy and Program Analyst for UC Berkeley Safe Transportation Research and Education Center (SafeTREC) whose work focuses on the Community Pedestrian and Bicycle Safety Training (CPBST) and Complete Streets Safety Assessments (CSSA) programs. Prior to joining SafeTREC they completed a Transportation Planning Internship at San Francisco Bay Ferry and a Resilience Fellowship at Greenbelt Alliance. Noelani holds a B.A. in Geography from UC Berkeley.
Noelani is a committed advocate for public transit, safe streets, and housing. They are the Transportation and...

Liwei Fu

Applications Programmer

Liwei Fu is the Applications Programmer at SafeTREC. She works on taking a data-driven approach to help resolve traffic safety issues. She is involved in building crowdsourced data tools, tribal data analysis, and various other traffic injury mapping tools. She has experience in data management and statistical models, and works with time series and spatial data.

Julia B. Griswold

Julia Griswold is the Director of the UC Berkeley Safe Transportation Research and Education Center (SafeTREC). She most recently served as Acting Co-Director and Safety Research Lead at SafeTREC.
Griswold's current research focuses on implementation of the Safe System framework in the U.S., analysis of crash data and trends to identify causes & potential solutions to achieve pedestrian and bicyclist safety challenges, development of a context-sensitive approach to setting speed limits, and development of network screening approaches to identify roadway locations needing safety...

Adrienne L. Joseph

Research Administrator

Adrienne L. Joseph is one of UC Berkeley Safe Transportation Research and Education Center’s (SafeTREC) Research Administrators. She is part of the Administrative team and is primarily responsible for the center’s procurement as well as grant administration. Adrienne has worked for UC Berkeley for over 20 years and holds an Associates Degree in Accounting from Heald Business College.

Simon Kao

Application Programmer

Simon Kao is an Application Programmer at the University of California Berkeley Safe Transportation Research and Education Center (SafeTREC). Simon's current projects include building web applications for safety and exposure data. He received his MS in Computer Science from Brown University.