Management Team

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

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
Fax: 830-379-1766
Email:

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
Fax: 830-379-1766
Email:

Alvin Schuerg
Executive Manager of Finance and Administration

The Executive Manager of Finance and Administration serves as the chief financial officer for the organization, overseeing management and daily operations of the Accounting and Finance, Human Resources, and Information Technology departments. He is responsible for water resource and electric rate studies and feasibility analyses and participates in contract development. Schuerg, who has worked in GBRA’s financial and accounting areas for more than 35 years, is a certified public accountant and earned his bachelor’s degree in accounting and business from Texas Lutheran University in Seguin.

Phone: 830-379-5822 Ext. 233
Fax: 830-379-9923
Email:

Todd Votteler, Ph.D.
Executive Manager of Science, Intergovernmental Relations and Policy

The Executive Manager of Science, Intergovernmental Relations and Policy 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 state surface or groundwater policies. He also provides oversight for two non-profit GBRA affiliate entities. 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 Texas State University. 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.

Phone: 830-379-5822
Fax: 830-379-7478
Email:

David M. Welsch
Executive Manager of Business Development and Resource Management

The Executive Manager of Business Development and Resource Management evaluates and expands strategic business alliances for GBRA, oversees activities for new services and projects, property acquisition, and acquisition of state and federal permits. He also oversees management and monitoring of water quality and environmental-related services. His department also operates as principal contacts for chamber relations, new customers, and economic development partners. Welsch, who has worked in various capacities with GBRA for more than 40 years, earned his bachelor’s degree in business from Texas Lutheran University in Seguin.

Phone: 830-379-5822 Ext. 505
Fax: 830-379-9718
Email:

LaMarriol Smith
Executive Manager for Strategic Communications and Public Affairs

The Executive Manager for Strategic Communications and Public Affairs 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, grant coordination and administration, events, environmental education, and geographic information systems. 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. She spent many years in communications capacities in higher education and predecessor agencies of the Texas Commission on Environmental Quality.

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

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, who earned his law degree from Baylor University School of Law and his bachelor’s degree in history from the University of Texas, worked for more than 20 years with the Office of the Attorney General of Texas. Prior to his work with the AG’s Office, Bohl worked in attorney positions for predecessor agencies of the Texas Commission on Environmental Quality.

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

Darel Ball
Operations Manager - Lower Basin

The Operations Manager for the Lower Basin manages the overall operations and maintenance of all GBRA facilities located in the lower Guadalupe River Basin, primarily delineated by Gonzales, DeWitt, Victoria, Calhoun and Refugio counties of GBRA’s statutory district. These responsibilities include water treatment, wastewater treatment, recreation and raw water facilities.

Phone: 361-575-6366
Fax: 361-575-2267
Email:

John Smith
Operations Manager - Upper Basin

The Operations Manager for the Upper Basin manages the overall operations and maintenance of all GBRA facilities located in the upper Guadalupe River Basin, primarily delineated by Kendall, Comal, Hays, Caldwell and Guadalupe counties of GBRA’s statutory district. These responsibilities include water treatment, wastewater treatment, recreation and raw water facilities.

Phone: 830-379-5822 Ext. 270
Fax: 830-372-0686
Email:

Thomas Hill, P.E.
Chief Engineer

The Chief Engineer provides general supervision of GBRA's consulting engineers for water resource projects as well as provides operational assistance on technical procedures and problems related to GBRA’s structures, equipment and facilities. The Chief Engineer monitors flow conditions within the river basin, provides interpretation of hydrologic events and data, and performs independent engineering design analysis of hydraulic structures related to water control.

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

Charles Hickman, P.E.
Manager of Project Engineering

The Manager of Project Engineering is responsible for the management of GBRA’s construction projects, including preliminary design, permitting, and construction of major design and engineering projects. This engineer follows ensures adherence to the state’s procurement procedures with respect to construction projects and handles the development of policies and procedures for project management.

Phone: 830-379-5822 Ext. 260
Fax: 830-379-9718
Email:

Mike Urrutia
Director of Water Quality Services

The Director of Water Quality Services is responsible for water quality and environmental-related matters. The WQ Director ensures 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…). The WQ Director also oversees administrative supervision of GBRA’s Regional Laboratory.

Phone: 830-379-5822 Ext. 259
Fax: 830-379-7478
Email:

Barbara Gunn
Human Resources Manager

The Human Resources Manager is responsible for the administration and implementation of GBRA’s personnel policies and procedures, recruitment, performance management, training and development, regulatory compliance, and employee benefit programs. The HR Manager provides support for and participates as a key member in employee relations.

Phone: 830-379-5822 Ext. 236
Fax: 830-379-9923
Email:

Teresa Van Booven
Project and Community Representative

The Project and Community Representative develops and maintains relations with customers, governmental, economic, community and business organizations on behalf of GBRA. In addition, the Representative identifies and provides technical assistance to organizations to include funding research, grant submission and project coordination.

Phone: 830-379-5822 Ext. 265
Fax: 830-379-9718
Email:

© 1998 Guadalupe-Blanco River Authority

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