Blu Kostelich, MBA

Chief Financial Officer and Assistant City Manager, City of Waco

Blu received his Bachelor’s Degree from the United States Military Academy at West Point and his Master’s Degree in Business Administration from Southern Methodist University.

Blu brings over 15 years of service and experience in both finance and operations roles, with 6 of those years in public sector finance for Bridgeport, Texas and Lubbock, Texas. In Lubbock, Blu also serves as a Board Member for the Lubbock Fire Pension Fund and as the Co-Chair of the Governmental Affairs Committee for GFOAT. Prior to transitioning to the public sector, Blu held roles in the private sector as a Manufacturing Plant Operations Manager for TAMKO Building Products and a Senior Financial Analyst for Lennox International.

Blu spent the first five years of his post-graduate career as an Armor and Calvary Officer in the United States Army, including a thirteen month deployment to Baghdad from 2008-2009. Throughout his service, Blu was awarded the Bronze Star and two Army Commendation Medals. Blu also received his Air Assault Badge and the German Armed Forces Proficiency Badge.

Outside of work, Blu enjoys spending time with his wife, Callie, and his daughter Juliana.

Sergio Villasana, CPA, CIA, CGFO, CPM

Director of Finance & Procurement, City of Corpus Christi

Sergio Villasana has a bachelor’s degree in business administration from The University of Texas at Brownsville. He started his professional career in 2004 as a budget analyst for the University of Texas at Brownsville.  Since then, he’s served as an Internal Auditor for Cameron County, the Deputy Finance Director for the City of Harlingen, Finance Director for City of McAllen, and is currently Finance Director for the City of Corpus Christi.  Sergio is a Certified Public Accountant, Certified Internal Auditor, Certified Government Finance Officer and a Certified Public Funds Investment Manager.  When he’s not working, he enjoys spending time with his wife Angela and their two boys, Adam and Thomas. 

Clara Santos, CGFO

Department Fiscal Administrator

Clara has served as the department fiscal administrator for the human resources department for the City of San Antonio since 2011.  She has more than 25 years of municipal government experience in various accounting and management positions including finance director for City of Shavano Park and City of Boerne, and comptroller for the Center for Health Care Services.  She has been a CPA since 1991 and is currently a member of the CORBA committee for GFOA.  She has also recently been accepted to the GFOAT Board of Directors as the South Representative.  Clara and her husband have been married for almost 40 years; they have four daughters and a son-in-law.

Mónika Arris, CGFO, CIO

Director of Budget & Finance, Collin County

Mónika Arris has a Bachelor of Arts from Texas Woman’s University and a Master of Public Affairs from the University of Texas at Dallas.  Mónika joined the Collin County Budget & Finance Department in January 2003.  She was appointed Director of Budget & Finance in October 2008.  She has served as Co-Chair of the County’s Investment Committee since May 2008.

Mónika has been a member of GFOAT since 2003 and earned her Certified Government Finance Officer designation in 2010.  She has previously served as Chair of Membership Committee, North Representative and currently serves as Treasurer.  Mónika currently serves as Vice-Chair on the Board of Trustees for Texas CLASS, a local government investment pool.  She is also a member of the Alumni Association of Sigma Alpha Iota (International Music Fraternity for Women).  When she is not working, she enjoys spending time with her husband, Anthony and their two daughters, Talia and Sofia.

Meg Jakubik, CGFO

Director of Budget Services, Town of Flower Mound

Meg Jakubik, CGFO, holds a Bachelor of Arts degree in History and Political Science from Texas Tech University and a Master of Public Administration from the University of North Texas.  She has over 15 years of experience working in government, having served in various departments through her career, including the Police Department, City’s Secretary’s Office, City Manager’s Office, and Finance.  As the Director of Budget Services, she is responsible for coordinating the budget process and supervising Grants, Facilities, and Fleet operations for the Town of Flower Mound.

Meg has been a member of GFOAT since 2012 and earned her Certified Government Finance Officer (CGFO) designation in 2014.  She is the GFOA Representative for GFOAT, member of the Program Committee and instructor for the GFOAT Budget Academy.  She begins her term as Secretary for the GFOAT Board in July 2025.  She previously served as the chair of the Communications Committee for GFOAT.

Cayce Lay Lamas, CPA

Director of Finance, Town of Westlake

Cayce Lay Lamas is the Director of Finance for the Town of Westlake. She is responsible for a wonderful team providing finance, accounting, budget, and utility billing services.  Cayce has 15 years of local government experience in the DFW area, having previously worked for the cities of Fort Worth and Coppell. She earned her bachelor’s degree from Austin College and her master’s in accounting from the University of Texas at Arlington. Cayce is also a Certified Public Accountant (CPA) in the State of Texas. Outside of work, Cayce and her husband, Chris, enjoy bringing their two rescue pit bulls, Pippa and Dottie, anywhere dogs are allowed, attending World Champion Texas Rangers games, and listening to live music.

Jonathan Locke, CPA, CGFO

Director of Finance, City of San Marcos

Jon is the director of finance for the City of San Marcos. For more than seven years, Locke was the executive director of finance for the City of Killeen. He has 18 years of financial leadership experience, including being city treasurer in the city of Big Rapids, Michigan, and as assistant director at Perry County Job & Family Services in Ohio.
Locke has a bachelor’s degree in accounting and a master’s degree in business administration from Franklin University in Ohio. According to the release, Locke is a licensed certified public accountant and a certified government finance officer. He is a member of the Government Finance Officers Association of Texas, newly elected to the Board of Directors as the central representative, and serves on the Governmental Affairs Committee.

Rhonda Bloskas, CPA, CGFO

Director of Finance, City of Friendswood

Rhonda Bloskas began her career in municipal government with the City of Friendswood in 2007.  She has held numerous positions in Friendswood and most recently was promoted to Director of Finance. Prior to joining the City, she worked in public accounting as an auditor.  Rhonda earned a Bachelor of Business Administration in Accounting from the University of Texas at San Antonio.  She is both a Certified Public Accountant and a Certified Government Finance Officer.  Rhonda currently serves as the President of the Gulf Coast Finance Officers Association.

Joel Wright, CPA

Director of Finance, City of Canyon

Julie Behrens

Director of Finance, City of Kerrville

Aaron Rector, CGFO

Director of Administrative Services, City of Keller

Aaron Rector is a Certified Government Finance Officer with over 15 years of municipal finance experience who currently serves as the Director of Administrative Services/Finance for the City of Keller.  Prior to joining the City of Keller, he worked for the City of Cedar Park first as the Budget Manager and then as the Assistant Finance Director.  He began his career in municipal finance as a Financial Analyst with the Town of Flower Mound.  He earned his Bachelor’s Degree from Texas A&M and his Master’s in Public Administration from the University of North Texas.

Casey Srader, MPA

Assistant Director of Budget and Performance Management, City of Plano

Casey is the Assistant Director of Budget and Performance Management for the City of Plano and has worked in local government budgeting/finance for over 32 years. Casey started his career with the City of Dallas in the budget and research department. He obtained his MPA degree from Texas Tech University in 1992. Casey served two full terms on GFOA’s National Committee on Governmental Budgeting and Fiscal Policy and two full terms on GFOA’s National Committee on Retirement and Benefits Administration (CORBA). Casey is also active in the Government Finance Officers Association of Texas (GFOAT) and currently serves as GFOAT’s Group Class Representative on the TMRS Advisory Committee.

Martie Simpson

Martie Simpson is the Executive Director for the Government Finance Officers Association of Texas. She started her municipal finance career with the City of Killeen in 1997 and finished her career with the city in 2014 as the executive director of finance.  Martie served as the finance director for the City of New Braunfels from 2014 to 2018.  Martie is a Certified Public Accountant with a degree from Baylor University and is a past president for GFOAT.