state fund logo
Customer Support
888-STATEFUND (888-782-8338)
State Fund is California's largest provider of workers' compensation insurance and a vital asset to California businesses. State Fund supports California's entrepreneurial spirit and plays a stabilizing role in the economy by providing fairly priced workers' compensation insurance making California workplaces safe, and restoring injured workers.

Peter A. Guastamachio, Chief Financial Officer,
Chief Investment Officer

Peter A. Guastamachio was approved as State Fund’s Chief Financial Officer in September 2014. He also currently serves as Chief Investment Officer.

Guastamachio brings more than 30 years of experience in the financial industry to State Fund. Prior to joining State Fund, he served as Vice President-Assistant Portfolio Manager for the Bank of the West in Walnut Creek, California. In this capacity, Gustamachio helped restructure the bank’s $9 billion investment portfolio in order to enhance returns through diversification into new sectors. He also monitored portfolio cash flows and collateral requirements, and prepared portfolio budgets.

Gustamachio has served in various capacities with Argonaut Insurance in Menlo Park, California, ultimately becoming Assistant Vice President-Assistant Treasurer/Investment Director. At Argonaut, he managed the company’s $1.8 billion investment portfolio. He was responsible for restructuring the portfolio to both enhance returns and reduce risk through diversification in other new sectors.

Gustamachio also served as an investment banker with Bangert, Dawes, Reade, Davis & Thom, Incorporated in San Francisco, where he managed and monitored investments for small and midsize companies. He has also worked as a Tax Specialist with Sutro & Company, Incorporated, and an Account Executive with Dean Witter Reynolds.

Gustamachio received his bachelor of science degree from the University of California, Berkeley, and a Masters in Business Administration from the Graduate School of Business at St. Mary’s College.


The Chief Financial Officer is responsible for directing State Fund’s overall financial policies – including financial forecasting, accounting, budgeting and tax reporting, as well as Billing, Collections and Premium Audit.

The Chief Investment Officer is responsible for providing management and oversight for State Fund’s investment portfolio in accordance State Fund investment strategies and guidelines.

Copyright © 2000-2017 State Compensation Insurance Fund
Website Terms of Use, Website Privacy Policy and Information Sharing Disclosure