Our Board of Trustees

CalTRUST Trustee since September 2009. City Treasurer, City of Sacramento since April 2017; Chief Investment Officer, City of Sacramento since 2004. Investment Officer, California State Teachers’ Retirement System (CalSTRS) from 2002 to 2004. Portfolio Manager for Barclays Global Investors from 1999 to 2002. Analyst for Franklin Templeton Mutual Funds from 1992 to 1999. Academic background includes MBA (finance) from Golden Gate University and BA degree (Economics) from San Francisco State University. Licensed General Securities Representative (NASD Series 7), General Securities Principle (NASD Series 24), and a Registered Options Principal (Series 4).

CalTRUST Trustee since August 2009. Serving Riverside County since 1997, Don was appointed Chief Financial Officer in August 2017. Prior to that, he served as Treasurer-Tax Collector from November 2008-August 2017. Don oversaw one of the largest investment pools in the state of California, surpassing $8.2 billion in April 2017, maintaining the highest ratings for LGIP’s from Moody’s and FitchRatings. Previous positions include Assistant Investment Officer, Chief Deputy Treasurer-Tax Collector, Assistant Treasurer, and Assistant Treasurer-Tax Collector. Currently serves as a member of the County’s Investment Oversight Committee, Pension Advisory Review Committee, Deferred Compensation Committee & Debt Advisory Committee. Prior to the County, he served in the financial services industry as a licensed investment executive with a major national brokerage firm. He has a Bachelor of Science Degree in Business Administration, Finance from California State University, San Bernardino.

Dan Mierzwa joined the CalTRUST Board in March, 2022. He began with Yuba County in 2007 as Assistant Treasurer & Tax Collector and Investment Officer. He quickly rose through the ranks and became the Yuba County Treasurer & Tax Collector in December of 2009, serving in that capacity through 2023. In December 2023, Dan Mierzwa was appointed as the Contra Costa County Treasurer & Tax Collector, effective January 1, 2024. In addition to his service to Contra Costa County, Mierzwa is very active in the local government and finance industry, currently serving as the Legislative Chair for the California Association of County Treasurers and Tax Collectors Association (CACTTC). He has served on both the CACTTC Legislative and Executive Committees since 2010; serving as CACTTC President in 2014-15. Dan serves on a variety of other statewide and regional boards, including the California League of Bond Oversight Committees (Cal BOC) Board of Directors, Yuba Community College District (YCCD) Retirement Board, Yuba Levee Financing Authority (YLFA} Board, California Statewide Communities Development Authority (CSCDA) as a Commissioner, as well as being the past chair of Sierra Central Credit Union (SCCU} Board of Directors. Prior to his work in public service, Mierzwa began his career in the financial industry in 1999 as an investment advisor with Merrill Lynch Capital Markets. His experience of investment banking, advisory services, sales and trading to institutional government accounts, as well as managing county investment pools since 2007, provides him a depth of background to help provide prospective on the ever changing investment options and environments that we find ourselves in both now and in the future.

Thomas Hays joined the CalTRUST Board in October 2023. He is the Assistant Chief Financial Officer and serves as the Deputy Treasurer for Eastern Municipal Water District (EMWD). EMWD is California’s sixth largest water district which provides essential retail water, recycled water, and sewer service in western Riverside County serving a population of 900,000 spanning over 550 square miles. Hays’ responsibilities include managing EMWD’s budget, rate development, debt, treasury, and its land-secured financing program. Previously, Hays was the Deputy City Treasurer for the City of Palm Springs and began his public service career in 2013 working for the City of Riverside overseeing its Treasury Division. Prior to entering public service, Hays spent several years in private sector retail banking at JPMorgan Chase as a Licensed Banker holding Series 6 and 63 securities licenses. He entered the financial industry in 2004 as a high school intern at Washington Mutual Bank. Hays received his Bachelor of Arts degree with honors in Business Administration from California Baptist University and a Master of Business Administration in Finance from the University of La Verne.