Joo Cha Webb concentrates her practice on defending and advising companies facing complex environmental and toxic tort claims, product liability matters, regulatory compliance challenges, and high-stakes commercial disputes. She represents a diverse range of clients across industries including energy, oil and gas, chemicals, medical devices, construction, agribusiness, and manufacturing.
Joo brings substantial experience counseling companies of all sizes in matters involving a broad range of substances such as per- and polyfluorinated substances (PFAS), microplastics, benzene, organic solvents, silica, aluminum, lead, and formaldehyde. She has played a leading role in defending claims arising from alleged exposures and environmental contamination, particularly those involving PFAS discharges, in class actions and individual lawsuits encompassing personal injury, medical monitoring, property damage, as well as cost recovery and Natural Resource Damages brought by various government agencies, in both federal and state courts.
Credentials
Education
- Boston College Law School, J.D.
- University of California, Los Angeles, B.A., Political Science, magna cum laude
Bar Admissions
- California
Court Admissions
- U.S. District Court for the Central District of California

