Amber Hoiska is a Labor Relations Consultant in the Labor and Employment department at Mastagni, Holstedt A.P.C. Amber brings extensive private-sector experience in labor management, finance, human resources, risk management, contract administration and strategic planning. She established her career in finance with iconic American companies Caterpillar and Hewlett Packard. After more than twenty years in private industry, Amber concluded that chapter of her career as a Vice President with deep experience in collective bargaining, negotiation, contract administration, marketing, and financial analysis.
Since 2016, Amber has served as a City Planning Commissioner, and beginning in 2024, as a State Agricultural Association Director. Through these civic roles, she has gained extensive public administration experience, including knowledge of the Brown Act, Robert’s Rules of Order, Bagley-Keene, CEQA, zoning and land use, grant-funded programs, and community engagement. Amber has served as the Chair of the Planning Commission since 2020 and was re-elected to Chair again in 2026.
Amber supports her clients by advising on best practices, association leadership, labor issues, and long-term strategies. She has experience in class and compensation surveys, contract costing, research and compiling data for negotiations, drafting comprehensive proposals, and financial analysis. She is also well versed in political and community action campaigns. Amber has an Associates of Science in Business Administration from San Joaquin Delta College.