Executive Leadership Team

Stuart Reilly serves as Interim General Manager. He is responsible for overseeing Austin Energy’s day-to-day operations and strategic direction, including a dedication to delivering reliable, sustainable, affordable, and equitable energy solutions for our community.

Reilly brings nearly 20 years of municipal energy experience, most recently as Deputy General Manager of Business Services. In that position, Reilly served as Chief Risk Officer and Chief Administrative Officer while overseeing Finance, Technology and Data, Employee Development and Corporate Support Services. He has previously served as Deputy General Manager and Chief Operating Officer as well as Austin Energy Chief of Staff. Prior to that, he worked as an attorney specializing in utility regulations, operations, transactions, customer programs and renewable energy.

Stuart Reilly holds a Bachelor of Arts in Government from the University of Texas at Austin and a Juris Doctor degree from George Washington University Law School.

Anna Kullmar joined Austin Energy in 2024 as Chief of Staff. In this role, she oversees organizational policies and strategic initiatives, manages projects and process improvements, coordinates the activities of the General Manager's office, and leads the internal audit team and equity program. She also serves as a liaison to the City Manager’s Office, the Mayor and City Council, and other City departments.

Kullmar brings a blend of strategic insight and practical expertise to her work. Most recently, she served the City of Austin as an Advisor to the Assistant City Manager overseeing mobility and critical infrastructure departments. Prior to joining the City of Austin, she spent years in consulting, specializing in marketing and organizational development for a diverse range of clients, including international non-governmental organizations, Fortune 500 companies, and public sector entities.

Anna Kullmar holds a bachelor’s degree in communications and a master’s degree in business administration from Gardner-Webb University.

Tammy Cooper joined Austin Energy in June 2020 and serves as Deputy General Manager of Regulatory, Communications, Compliance and Legal Services. In this role, she oversees Regulatory Affairs, Corporate Communications, Corporate Compliance Programs, Legal Services, and Environmental, Health & Safety.

Cooper has extensive experience in the electric industry, most recently serving as General Counsel and Corporate Secretary at Texas Reliability Entity (Texas RE) where she led the Legal, Communications, and Training departments. She also worked in private law practice representing clients in state and federal electric regulatory proceedings and advising clients on a broad range of energy-related issues. She began her legal career at the Public Utility Commission of Texas, where she held several positions, including the Director of Commission Advising.

Cooper holds both a Bachelor of Science in radio-television-film and a law degree from the University of Texas at Austin.

Lisa Martin is Deputy General Manager & Chief Operating Officer, overseeing Power Production, Electric System Field Operations, Electric System Engineering & Technical Services, and Energy Market Operations and Resource Planning. Martin has previously served as Vice President of Electric System Engineering & Technical Services.

Martin joined Austin Energy in 2010 and has served in several engineering and compliance positions related to grid operations, transmission and distribution, generation, cybersecurity, battery storage, distributed energy resources, and technology strategy.

Prior to joining Austin Energy, Martin worked in power and gas origination and energy markets for Southern California Edison. She also worked for Shell Exploration & Production Company, UPS, and the American Transmission Company.

Martin holds a Bachelor of Science degree in Electrical Engineering and a Master of Business Administration in Operations Management. She is a licensed professional engineer and attended the University of Idaho Energy Executive Course.

As Deputy General Manager and Chief Customer Officer, Kerry Overton oversees Customer Care Services, Customer Account Management and Customer Energy Solutions. He provides executive oversight to Austin 3-1-1 and the utility’s customer contact center, which handle about 2.5 million customer interactions annually.

Overton joined Austin Energy in 2000. Prior to his current role, he served as Vice President of Customer Care and was a senior business process consultant. Before joining Austin Energy, Overton served as deputy land commissioner in the Texas General Land Office, overseeing energy resources.

Kerry Overton has a Bachelor of Arts in managerial studies and political science from Rice University, a Master of Business Administration from The University of Texas McCombs School of Business, and a Master of Public Affairs from The University of Texas LBJ School of Public Affairs. He also attended the University of Idaho Utility Executive Course.

As Vice President, Michael Enger is responsible for Austin Energy’s physical and financial power portfolio in the ERCOT wholesale electric market, including the Real Time, Day Ahead and Forward market desks. He oversees the origination of the utility’s renewable power purchase agreements and manages the Qualified Scheduling Entity (QSE) operations for Austin Energy’s owned and contracted resources. Enger is also responsible for resource planning at Austin Energy, which includes achieving the climate protection and affordability goals established by the Austin City Council and Austin Energy.

Enger brings a wealth of energy market knowledge to his role. He has more than 20 years of service with Austin Energy, most recently as Director of Energy & Market Operations. He has served as Manager of Market Operations and Risk Management and Interim Manager of Energy Market Analysis, in addition to roles as an energy planner, scheduler and marketer.

Enger has a Bachelor of Science degree in Economics from Texas A&M University.

As Senior Vice President and Chief Financial Officer, Rusty Maenius oversees Corporate Accounting, Financial Reporting, Financial Planning, financial functions for Energy Market Operations, Budget, Risk Management and Strategy, and Rates and Forecasting for Austin Energy.

Maenius has more than 30 years of energy finance experience and held multiple senior leadership and executive positions at Austin Energy. He has successfully balanced financial viability and the utility’s credit rating with customer affordability, keeping system rates below the state average and the typical residential bill among the lowest in Texas. Prior to joining Austin Energy, he worked for Pedernales Electric Cooperative.

Maenius holds a bachelor’s degree in Agricultural Economics from Texas Tech University.

Brock Carter serves as the Vice President of Electric System Field Operations and is responsible for leading the construction, maintenance and operation of the Austin Energy Distribution and Transmission System to ensure safe, reliable and efficient power to the community.

Carter has more than 25 years of experience in the electric utility industry, having served in a variety of roles since joining Austin Energy in 2006. Most recently, he served as Director of Corporate Compliance Programs. He has also worked as the Superintendent of Substation Relay Construction and Maintenance, and in the Energy Control Center as an Electric System Controller Supervisor, Trainer and Operator. He began his Austin Energy career as a Distribution Troubleshooter. Prior to that, he worked for TXU Electric/Oncor as a Senior Lineworker.

Brock Carter holds a Bachelor of Science in Electrical Engineering with a focus in Electric Power Systems and completed the University of Idaho Energy Executive Course.

Richard Génecé joined Austin Energy in August 2021. He guides programs that interact directly with Austin Energy customers, including Green Building, Electric Vehicles and Emerging Technologies, Energy Efficiency Services, and Customer Renewable Solutions.

Génecé's career spans more than 20 years in the utility industry, in both the public and private sectors. Prior to joining Austin Energy, he held executive positions at some of the largest public utilities in the country. He was Vice President of Energy Efficiency at Bonneville Power Administration in Portland, Oregon and provided oversight for stakeholder engagement and the development of community programs. Génecé also worked at Southern California Edison (SCE), a utility that provides service to more than 13 million customers. Génecé's private sector experience includes his role as Senior Vice President of West Operations for CLEAResult, with leadership responsibilities across the U.S. and Canada, in program sectors including residential, commercial, agricultural, industrial, low-income, and federal/government accounts.

Génecé earned his bachelor’s degree in Information & Decision Sciences at Carnegie Mellon University and an MBA at Indiana University. He served as a board member to the Consortium for Energy Efficiency and has earned Six Sigma Quality Process Improvement Certification (Green Belt).

Sandra Escobedo rejoined Austin Energy in 2025 as Vice President of Customer Account Management, overseeing Billing Services, Payment Services, Revenue Measurement and Control, and Quality Management. Her executive oversight includes meter reading, maintenance, current diversion, collections, payment processing, branch services, quality, training, and bill production and support.

Escobedo is a seasoned leader and certified Project Management Professional (PMP) with more than 20 years of experience in the energy industry and customer account management. Most recently she served as Senior Vice President of Customer Experience at Shell Energy Solutions. She previously served Austin Energy as Director of Payment Services Management. She has also held leadership positions at Direct Energy and Constellation Energy. Prior to her career in energy, Escobedo worked in the finance industry.

Escobedo holds a Bachelor of Science in Mathematics from Southwest Texas State University and a Master of Business Administration from the University of Houston.

Gerardo “Jerry” Galvan joined Austin Energy in July 2016 as Vice President of Customer Care Services. He oversees the City of Austin’s Utility Contact Center, Austin 3-1-1 — the City’s 24-hour information center — and the Customer Assistance Programs.

Galvan brings more than 20 years of leadership experience managing high-volume customer service operations. Before joining Austin Energy, he served for more than eight years at a major Midwest electric and natural gas utility serving over two million customers. He also held leadership roles at the Texas Guaranteed Student Loan Corporation.

An active community leader, Galvan serves as Chairman of the Foundation Board of the Greater Austin Hispanic Chamber of Commerce (GAHCC), focused on growing college scholarship and professional development opportunities. From 2019 to 2024, Galvan served on the GAHCC Board of Directors.

Galvan holds a Bachelor of Arts degree in Economics from The University of Texas at Austin.

As Vice President of Power Production, Ken Snipes is responsible for Austin Energy’s nuclear, coal, and natural gas power generation as well as On-Site Energy Resources. He has more than 30 years experience in utility and local government management.

In 2019, Snipes joined the City of Austin management team, serving as director of Austin Resource Recovery and later as director of Homeland Security and Emergency Management. Moving to Austin Energy was a return to his electric utility roots, having worked for Seattle Public Utilities for 12 years, including as Department Director and Deputy General Manager. Before that, Snipes had a 21-year career in the U. S. Air Force focused on electric power production management and construction management.

Ken Snipes holds two Bachelor of Science degrees in Business Management and Occupational Education with a minor in Education and Training Methodology. He also has three associate degrees in Business, Mechanical and Electrical Technology, and Technology and Science Education.

As Vice President, David Tomczyszyn oversees Transmission and Distribution Planning, Design and Engineering, Advanced Grid Technologies, Emergency Management, Key Accounts, and Electric Service Delivery Shared Services to ensure the safe and reliable delivery of electric service and associated information to our customers.

Tomczyszyn is a third-generation electric utility employee with more than 20 years of progressive experience spanning transmission, substation, distribution, and operations engineering and technologies. He joined Austin Energy in 2007 and most recently served as Director of Transmission & Distribution Engineering. Prior to Austin Energy, Tomczyszyn worked for Guadalupe Valley Electric Cooperative and Southwest PV (now part of Ameresco Solar).

Tomczyszyn has a Bachelor of Science degree in Electrical Engineering from Texas A&M University. He is a licensed professional engineer and attended the University of Idaho Energy Executive Course in 2019.

Elaine Veselka oversees the Information Technology, Strategic Planning & Technology, Enterprise Information Security (Cybersecurity), and Data Office (business analytics and intelligence) organizations.

Veselka has more than 20 years of senior leadership and executive experience at both regulated and deregulated electric and water utilities. She joined Austin Energy in 2008 and has served as Vice President of Electric System Engineering & Technical Services, Vice President of Customer Account Management, Interim Vice President for Customer Energy Solutions, Director of Electric Service Delivery Support Services, and Director of Customer Services Management.

Veselka has a Bachelor of Science from the University of Texas at Austin and a Master of Public Administration from the University of Phoenix.