Executive Management Team

In addition to the General Manager / CEO, the following staff members comprise GBRA’s Executive Management Team.

Darrell Nichols

Darrell Nichols
Sr. Deputy General Manager

The Senior Deputy General Manager is charged with the development and implementation of the Authority’s policies, and has general oversight of daily operational and administrative activities. The Senior Deputy General Manager assists with directing GBRA’s programs related to project development and construction activities, financing of water infrastructure projects, scientific data collection and dissemination, hydrologic and environmental analysis, water supply planning, and water policy development.

Nichols has been working in the utility industry for 25 years. Prior to joining GBRA, his roles at the Texas Water Development Board (TWDB) included assistant executive administrator and director of Regional Water Planning and Development. In addition to consulting, he also previously performed utility regulatory work at the Texas Commission on Environmental Quality (TCEQ).

Nichols earned his bachelor’s degree in civil engineering from the University of Texas at Austin.

Phone: 830-379-5822 Ext. 314
Fax: 830-379-1766
Email:

Jonathan Stinson

Jonathan Stinson
Deputy General Manager

The Deputy General Manager is responsible for the implementation of the GBRA’s programs and policies in an efficient and effective manner in conformance with the authority’s governance, management, operational structure, and statutory requirements. Stinson also is charged with general oversight, development, and implementation of GBRA’s policies, and assists with the daily administrative and operational activities.

Stinson, formerly an assistant executive administrator at TWDB focused on policy considerations related to water infrastructure development and financing, program development and agency administration. Prior to joining TWDB, he served as a natural resources policy advisor to the governor in the Office of Budget, Planning and Policy, where he focused on programs and policies affecting water, parks and wildlife, and agriculture. He also worked in the Texas Senate for nearly 10 years, during five legislative sessions, working on issues ranging from groundwater and surface water policies, infrastructure financing, and economic development issues.

Stinson earned his bachelor’s degree from Texas A&M University.

Phone: 830-379-5822 Ext. 507
Fax: 830-379-1766
Email:

Alvin Schuerg

Alvin Schuerg
Senior Advisor to the General Manager

The Senior Advisor to the General Manager provides advice and guidance to the general manager and executive staff on GBRA’s programs, operational activities and strategic planning. He reviews GBRA’s operational contracts and procurement procedures, and focuses on project implementation and customer development.

Schuerg, a certified public accountant, has more than 35 years of service at GBRA and previously served as Executive Manager for Financial Administration, overseeing the accounting and finance functions at GBRA, preparation of its annual budget and financial plans, financial reserves, and debt service investments, capital assets, procurement and risk management prior to being elevated to Senior Advisor in 2016.

Schuerg earned his bachelor’s degree from Texas Lutheran University.

Phone: 830-379-5822 Ext. 233
Fax: 830-379-9718
Email:

Darel Ball

Darel Ball
Executive Manager Operations and Water Quality

The Executive Manager of Operations and Water Quality serves as the chief operations officer and directs water resource management, recreation and parks, and utilities operations in all 10 counties of GBRA’s statutory district. Ball assists in the negotiation and development of major contracts and represents GBRA with its customers. Through oversight of a Deputy Executive Manager of Operations and Water Quality, he also is responsible for water quality and environmental-related matters, ensuring the provision of technical assistance to GBRA’s water and wastewater treatment facilities, and advises and consults with personnel of other such facilities within GBRA’s statutory district that are operated by other entities (municipalities, MUD’s, private contractors, etc…) and has oversight of GBRA’s Laboratory.

Ball earned a bachelor’s degree from Texas A&M University and a master of business administration from the University of Houston-Victoria.

Phone: 830-379-5822 Ext. 246
Fax: 830-401-0991
Email:

Cindy Demers

Cindy Demers
Executive Manager of Finance and Administration / Chief Financial Officer

As Executive Manager of Finance and Administration / CFO, Demers will oversee the accounting and finance functions at GBRA, preparation of GBRA’s annual budget and five-year financial plan, financial reserves, and debt service investments, capital assets, procurement and risk management. Formerly chief financial officer at the Texas Water Development Board (TWDB), Demers’ areas of responsibility also include accounts payable, receivable and payroll functions, human resource services, information technology support, grant coordination and administration, and coordination of GBRA’s Industrial Development Corporation.

Demers is a certified public accountant. She earned a bachelor’s degree from Concordia University in Austin and her master’s degree from St. Edwards University in Austin.

Phone: 830-379-5822 Ext. 482
Fax: 830-379-9923
Email:

Todd Votteler

Todd Votteler, Ph.D.
Executive Manager Resource Policy and Stewardship

The Executive Manager of Resource Policy and Stewardship monitors and advocates issues related to GBRA water policy with local, state and federal legislatures, agencies, and executive bodies. He participates in regional water planning efforts and represents the general manager in various workgroups for developing or suggesting changes to surface or groundwater policies. He also provides oversight for four non-profit GBRA affiliate entities.

Votteler served as Special Master for the U.S. District Court, Western District of Texas, and was Assistant to the Court Monitor for U.S. District Court, Western District of Texas, for endangered species litigation related to the Edwards Aquifer.

Votteler earned his bachelor’s degree in natural resources from the University of the South in Sewanee, TN, his master’s degree in natural resources from the University of Michigan’s School of Natural Resources at Ann Arbor, MI, and his doctorate in geography from the University of Texas at Austin.

Phone: 830-379-5822 Ext. 269
Fax: 830-372-0868
Email:

LaMarriol Smith

LaMarriol Smith
Executive Manager for Strategic Communications and Education

The Executive Manager for Strategic Communications and Education serves as chief spokesperson for the authority and manages corporate communications, including publications, media relations and social media. She provides strategic public relations consultation to the General Manager and Board of Directors and supports governmental relations efforts. She is responsible for managing Board of Directors relations, public affairs, marketing, audio/visual production, events, environmental education, and geographic information systems. She spent many years in communications capacities in higher education and predecessor agencies of the Texas Commission on Environmental Quality.

Smith, who earned a bachelor’s degree in journalism from Baylor University in Waco and a master of public affairs from the LBJ School of Public Affairs at the University of Texas in Austin, is in progress on her doctorate in education at Texas State University.

Phone: 830-379-5822 Ext. 239
Fax: 830-379-9718
Email:

Thomas Hill

Thomas Hill, P.E.
Executive Manager of Project Engineering and Development / Chief Engineer

The Executive Manager of Project Engineering and Development / Chief Engineer provides general supervision of GBRA's consulting engineers for water resource projects and provides operational assistance on technical procedures and problems related to GBRA’s structures, equipment and facilities. Hill also oversees the monitoring flow conditions within the river basin, interpretation of hydrologic events and data, and development of independent engineering design analyses. He evaluates and expands strategic business alliances for GBRA, oversees activities for new services and projects, property acquisition, and acquisition of state and federal permits. His staff serves as principal contacts for chamber relations, new customers, and economic development partners.

Hill, who is a registered professional engineer, earned his bachelor of science degree in civil engineering from Texas A&M University and continued his graduate studies at the University of Texas at San Antonio.

Phone: 830-379-5822 Ext. 245
Fax: 830-379-9718
Email:

Tom Bohl

George "Tom" Bohl, J.D.
General Counsel

The General Counsel is responsible for advising the GBRA Board of Directors and GBRA management and staff on a wide range of corporate and regulatory legal matters. He prepares legal opinions, briefs, reviews contracts, and assists in resolving disputes. He also serves as liaison between GBRA and any contracted or retainer counsel with which the organization engages. Bohl worked for more than 20 years with the Office of the Attorney General of Texas. Prior to his work with the AG’s Office, he worked in attorney positions for predecessor agencies of the Texas Commission on Environmental Quality. Bohl earned and his bachelor’s degree in history from the University of Texas and his law degree from Baylor University School of Law.

Phone: 830-379-5822 Ext. 276
Fax: 830-379-9718
Email:

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