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1912 I Street | Sacramento, CA 95811

Kathleen Mastagni Storm is a partner with Mastagni Holstedt, APC. Kathleen’s practice focuses on public and private union organizing, unfair labor practice litigation before the National Labor Relations Board and Public Employment Relations Board, collective bargaining and contract enforcement. Her areas of expertise also include drafting, consulting and testifying on state and local legislation, legal support for organizing campaigns, internal union governance, arbitration, mediation and training labor leaders. She has also participated in PERB’s rulemaking process and efficiency initiative. Kathleen’s practice also includes trial litigation and appellate work in California and federal courts.

Kathleen represents clients in officer-involved shootings, disciplinary matters and discrimination cases. Kathleen lectures on the Firefighters’ Procedural Bill of Rights Act, Public Safety Officers Procedural Bill of Rights Act, unfair labor practices and fact-finding. Kathleen has also been invited to participate in public sector labor conferences and other panels.

Kathleen is married and the proud mother of four. In addition to raising her family and practicing law, Kathleen has embarked on a joint venture with her father, David P. Mastagni breeding sport horses.