Celine Kim is a Policy Analyst for TTARA. She brings experience analyzing budgets, ACFRs, fiscal trends, and policy proposals to produce clear, nonpartisan evaluations of tax, expenditure, and debt policies.
Before joining TTARA, Celine conducted applied research on municipal finance and debt management at the University of Texas at Austin and supported pension policy analysis at the Teacher Retirement System of Texas. She has also taught graduate level courses on taxation, financial accounting, and public finance analytics.
Celine holds an MPA and a BA in Political Science from the University of Alabama and is completing her Ph.D. in Public Policy at UT Austin’s LBJ School of Public Affairs.

Katie Glanz, Ph.D., is a Policy Analyst for TTARA, bringing 18 years of experience in public policy research, legislative analysis, and regulatory strategy. She previously served as a Manager in KPMG’s Federal Advisory practice, where she led policy work for major Health and Human Services programs, developing federal regulatory guidance and supporting large scale program implementation. She also worked as a Senior Policy Analyst at the Texas Legislative Council, producing bill analyses, policy memos, and research for state lawmakers. Katie holds a Ph.D. in Political Science from Johns Hopkins University.

Eldon Andrus is a consultant for TTARA, bringing over four decades of tax and legislative experience to our organization.
Eldon recently retired from Exxon Mobil Corporation after 43 years of distinguished service. He began his career in internal audit and tax accounting within the comptroller’s department and spent the last 34 years in ExxonMobil’s tax department. His responsibilities included managing and filing state and federal income tax returns, motor fuel taxes, sales and use taxes, property taxes, and production taxes. He also served as a state tax legislative liaison, helping shape policy and regulatory frameworks across multiple jurisdictions.
Throughout his career, Eldon was an active participant in several oil and gas associations, where he played a key role in developing and drafting proposed legislation and regulations. As chairman of the severance tax subcommittee for the Mississippi/Alabama Oil and Gas Association, he testified on behalf of the industry on legislative and regulatory matters. He was also one of three industry representatives involved in the design and development of the Federal Excise Summary Terminal Activity & Reporting System (ExSTARS).
Eldon holds a Bachelor of Science in Accounting from Brigham Young University and earned his CPA certificate in Texas in 1988. He joined Exxon in 1981 and has since built a reputation for thoughtful leadership, technical expertise, and collaborative engagement.

Andrea is a tax executive with extensive expertise in tax policy, strategic planning, tax optimization, audit defense and compliance. She has secured over $7 billion in tax incentives for her clients, successfully negotiated critical changes to tax laws at the federal, state and local levels, and has effectively managed complex audits achieving optimized outcomes. Andrea began her tax career with Arthur Andersen, LLP before joining Ernst & Young, LLP where she advised on mergers and acquisitions, policy and legislative changes, audit defense and complex compliance for clients in energy, real estate and private equity. She is a subject matter expert on taxes for the LNG industry, serving as Managing Tax Counsel for Cheniere Energy, Inc. for over ten years. She formed Carter Energy Advisors in 2025 where she continues to advise clients in the LNG and energy industries.

Catherine serves as Executive Assistant at TTARA, bringing to the association her experience and passion for serving nonprofits. Before joining TTARA, she was Administrative Services Manager at the Texas Library Association and worked as Administrative Coordinator for the Texas Society of Association Executives. Catherine holds a Bachelor of Science in Business Management from Louisiana State University.