Kathleen N. Mastagni Storm

Kathleen Mastagni Storm is a partner at Mastagni Holstedt, APC, focusing on public and private union organizing, unfair labor practice litigation, and collective bargaining. Her unique skills extend to contract enforcement, internal union governance, and legal support for organizing campaigns. Kathleen is deeply knowledgeable about the Firefighters’ and Public Safety Officers Procedural Bill of Rights Acts, frequently lecturing on these topics. Additionally, she has contributed to PERB’s rulemaking process and efficiency initiative. Her practice also encompasses trial and appellate litigation in California and federal courts, where she represents clients in officer-involved shootings, disciplinary matters, and discrimination cases. Kathleen is actively involved in shaping legislation, consulting, drafting, and testifying on various laws. A sought-after speaker, she has been invited to participate in public sector labor conferences and panels. Outside of law, Kathleen is married with four children and collaborates with her father, David P. Mastagni, in breeding sport horses. Her dedication to family, law, and equestrian pursuits showcases her multifaceted interests and accomplishments.