Matt Clifton is a Supervising Senior Auditor with the Office of the City Auditor in Austin. Prior to that, he was a Senior Investigator for 4 years in the Office of the City Auditor’s Integrity Unit. In this role, Matt investigated allegations of fraud, waste, and abuse against City of Austin employees, officials, and contractors. His work resulted in public reports and presentations to the City’s Ethics Review Commission on topics including: conflicts of interest; misuse of City resources; waste of City funds; and special favors.

Lupe is a Certified Public Accountant with 8 years of experience providing audit services to various governmental entities, including counties, cities, school districts, universities and community colleges, and other special-purpose governments. He is responsible for all aspects of the assurance process including planning, internal control evaluation, risk assessment, fieldwork, and report issuance and engagement closure. Lupe also assists in training staff in accordance with Generally Accepted Auditing Standards (GAAS), Government Auditing Standards (GAS), the Texas Education Agency’s Financial Accountability System Resource Guide (FASRG), and Office of Management and Budget (OMB) requirements under the Uniform Grant Guidance. Lupe is responsible for preparation and review of Comprehensive Annual Financial Reports that have been awarded the Certificate of Achievement for Excellence in Financial Reporting. Additionally he is responsible for new hire training and assisting with internal and external continuing professional education courses. Lupe is active in the American Institute of Certified Public Accountants, Texas Society of Certified Public Accountants, Houston CPA Society, Texas Association of School Business Officials, Government Finance Officers Association of Texas, and the Fort Bend Leadership Forum.

Brittany has more than 14 years of IT advisory experience, including more than two years of experience in KPMG’s Information Technology Advisory practice, and more than two years with TXU/Capgemini Energy. Her practice emphasis includes SOC reporting, PCI, IT audit, security and consulting services. She is also highly experienced with SOX attestations and compliance audits. Brittany has managed some of Weaver’s most significant IT controls engagements, with a heavy focus on information security.

A Certified Information Systems Auditor (CISA) and Qualified Security Assessor (QSA), Brittany is president of the North Texas chapter of ISACA. She is also a member of IIA, AFCOM and the Tech Titans, where she is involved on the Cybersecurity Forum. She earned a Bachelor of Business Administration degree in management information systems from the University of Oklahoma and is currently working on a master’s degree in information management systems from Harvard.

Karin Hill, CIA, CGAP, CRMA, has responsibility for managing the audit function for the Health and Human Services System which encompasses the Health and Human Services Commission and the Department of State Health Services. This organization has a biennial budget of more than $79 billion and comprises approximately one-third of the State of Texas’ budget. It has approximately 55,000 employees located throughout the State. Prior to joining Health and Human Services, Karin was the Director of Internal Audit for the Department of Assistive and Rehabilitative Services and the Chief Auditor for the Texas Juvenile Justice Department.

Trip Hillman holds multiple IT security-related certifications, along with more than six years of experience evaluating IT security in a broad range of environments. He has performed and led Sarbanes-Oxley compliance assessments; Service Organization Controls audits; IT risk assessments and internal audits; network security audits; vulnerability assessments, both internal and external; penetration tests; and compliance with PCI industry best practices.

Trip is a member of the IIA, ISACA, the Cloud Security Alliance and the International Council of E-Commerce Consultants. He earned a Bachelor of Business Administration in management information systems from Baylor University.

Catherine Melvin, CPA, CIA, CLEA, serves as the Chief Auditor for the Texas Department of Public Safety. She has extensive experience in governmental internal auditing, including over 20 years’ service as chief audit executive. A leader in both state government and in the internal audit community, Catherine currently serves as a vice chair of the IIA International Public Sector Guidance Committee, and also heads up the Internal Audit Leadership Development Program for Texas state agencies. Catherine has focused her career in public service, assisting organizations achieve their goals and objectives while being accountable to the public for efficiency, transparency, economy, effectiveness, and excellence.

Sandra Menjivar-Suddeath, CIA, CISA, CGAP serves as the Chief Audit Executive/Internal Audit Director for the Texas Department of Motor Vehicles (TxDMV). She is responsible for leading the division of four auditors and providing the TxDMV Board and agency management with assurance and advisory services and information to reduce exposure to risks that may hinder the department from achieving its goals, mission, and vision.

Sandra has spent ten years auditing in state and federal government. Her previous roles included being a performance and Information Technology audit manager for the Texas Department of Transportation; an audit project manager for the Texas Department of Public Safety; and a senior auditor for the Office of Inspector General – U.S. Department of Transportation.

Sandra currently serves as the IT Committee Chair for the State Agency Internal Audit Forum (SAIAF). She has a bachelor’s degree from The University of Texas at Austin and a master’s degree from The University of Texas at Austin’s Lyndon B. Johnson (LBJ) School of Public Affairs. She originally from the Houston area.

Celina is a Certified Public Accountant with over 15 years of audit public accounting experience focused on clients primarily in the following industries: school districts, non-profit organizations, community colleges and other large governments administering large amounts of federal and state grant awards. She is also responsible for training firm staff in accordance with Generally Accepted Auditing Standards (GAAS), and Governmental Audit Standards (GAS). She has extensive knowledge with the Office of Management and Budget (OMB) requirements under Circular A-133, A-87, A-21 and A-122. Celina is the designated Audit Quality Partner for the AICPA’s Government Audit Quality Center and Responsible for providing CPE to both employees, clients, and industry professional organizations. She is active in the Texas Society of Certified Public Accountants (TSCPA), American Institute of Certified Public Accountants (AICPA), TSCPA School District Conference Planning Committee, Texas Association of School Business Officials, TASBO Accounting/Finance Research Committee, and Bay Area Communities in Schools.

Larry Wallis, CPA, CIA, Chief Audit Officer of VIA Metropolitan Transit, has responsibility for directing operational audits, management advisory services and special investigations. Prior to VIA, Larry served in leadership positions with Southwest Research Institute, Bexar County and Grant Thornton LLP. He is the Interim Chair of the American Public Transit Association’s Committee of Audit Professionals, and is active in the Association of Local Government Auditors’ Education Committee, and as team member and team lead in ALGA’s quality assurance peer review program. In service to IIA, Larry is a member of the Committee of Research and Education Advisors, and previously served as District Representative and District Advisor of the IIA Chapter Relations Committee. He has made training presentations on various topics at IIA and ALGA seminars.