Our Board of Trustees

Bio:
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 has served as the Treasurer & Tax Collector since December of 2009. In addition to his service to Yuba 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 the investment pool for Yuba County 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.

Bio:
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.

Bio:
CalTRUST Trustee since January 2003. Treasurer-Tax Collector-County Clerk, Solano County since 1999. Assistant County Treasurer, Solano County from 1994 to 1999. Investment Executive, PaineWebber 1991-1993. Past President of the California Association of County Treasurers and Tax Collectors Association (CACTTC). Member of the Executive Committee of the Board of Directors for ABAG. Member of the National Association of Counties (NACo). Academic background includes MBA from University of Phoenix, BS degree (Finance) California State University at Hayward, and AA Georgia Military College.

Bio:
Bobbie Ormonde joined the CalTRUST Board in 2018 and brings over 35 years of county government and local public agency experience. Bobbie currently serves as the Deputy General Manager – Finance & Administration for Westlands Water District. Prior to her service at Westlands, Bobbie served as the Deputy Treasurer-Tax Collector for Fresno County. Her experience includes twenty-nine years in a senior management position. Bobbie has demonstrated strong leadership abilities with experience in administration, investments, accounting, finance, cash management, rate setting, bond financings, budgeting, and revenue collections. She holds designations as a Certified Public Accountant (State of California) and a Certified Public Finance Officer (Government Finance Officers’ Association).

Bio:
Matt Paulin joined the CalTRUST Board in September 2023 and possesses more than 28 years of public sector work experience. He currently serves as the Finance Director and Treasurer for the City of Elk Grove. Before then, he served in various leadership positions with San Joaquin County, the City of Stockton, the California Department of Finance, and the California Department of Motor Vehicles. Matt is an Army veteran and holds a bachelor’s degree in Sociology from the University of the Pacific and a master’s degree in Public Administration from California State University Stanislaus.

Bio:
Mary served the CalTRUST Board from 2011 – 2021 and re-joined the Board in January, 2024. She is the elected Treasurer-Tax Collector for the County of Monterey; a position she has held since 2010. Mary first began her career with the Treasurer-Tax Collector in 1987 and held several executive positions in the department prior to her election. As Treasurer, she is responsible for the billing and collection of approximately $990 million in annual property taxes and the management of a $3.2 billion Treasury Investment Pool. Mary also serves in many additional capacities including as President of the Monterey County Public Improvement Corporation and Chair of the Monterey County Deferred Compensation Committee. She previously sat as a Board Member on the California State Association of Counties Finance Corporation and served as President of the California Cannabis Authority. Mary belongs to numerous professional organizations, including the California Association of County Treasurers and Tax Collectors where she served President in 2018-19; the National Association of County Collectors, Treasurers and Finance Officers; Association of Governmental Accountants; Government Finance Officers Association; California Municipal Treasurers Association; California Society of Municipal Finance Officers and the Government Investment Officers Association. Mary holds an AS in Business Administration, a BS in Management and an Executive MPA from Golden Gate University.