Leadership

Engineering expertise. Market intelligence. Utility partnership. One integrated team.

Manuel Garza III, PE

Founder & Chief Executive Officer

Manuel Garza is the Founder and CEO of MG3 Energy, where he leads the company’s vision for developing resilient, market-driven distributed energy infrastructure. A licensed Professional Engineer in Texas, Manny combines deep engineering expertise with real-world operational experience across utilities, commercial customers, and energy markets.

Prior to founding MG3 Energy, Manny built his career on both sides of the meter, first at Austin Energy and later at H-E-B Grocery Company. This experience gives him a unique perspective on distributed energy infrastructure, having approached energy challenges from both the utility and customer sides.

At Austin Energy, Manny led demand response, energy efficiency, and resiliency initiatives. At H-E-B, he developed solar and natural gas microgrid programs across 189 stores, helping strengthen community resilience during Hurricane Harvey and subsequent grid disruptions.

Today, Manny brings that perspective to MG3 Energy, connecting customer needs, utility requirements, engineering, and energy markets to develop practical, resilient infrastructure that creates long-term value.

Danielle Murray

Vice President, Product & Utility Partnerships

Danielle Murray leads product strategy and utility partnerships at MG3 Energy, where she develops innovative onsite energy solutions and builds strategic relationships with utilities, technology providers, and customers.

A nationally recognized leader in clean energy, utility transformation, and grid modernization, Danielle brings more than 20 years of experience spanning utilities, local government, consulting, and research. Her expertise includes distributed energy resources, renewable energy markets, electrification, resiliency, and customer-focused utility innovation.

Prior to joining MG3 Energy, Danielle founded Rebalance Energy Strategy, consulted with Electric Power Engineers, and held multiple leadership roles at Austin Energy. She is known for connecting policy, technology, and market strategy to create practical energy solutions that deliver value for customers, utilities, and communities

Joseph Teng

Vice President, Market Operations & Commercial Strategy

Joseph Teng leads MG3 Energy's market operations and commercial strategy, helping clients maximize the value of distributed energy assets through market participation, operational optimization, and long-term commercial planning.

With more than 17 years of experience in demand-side management, distributed energy resources, and grid modernization, Joe brings a unique blend of technical expertise and market insight. He is leading the launch of MG3 Energy's Qualified Scheduling Entity (QSE) in ERCOT, with future expansion into PJM, SPP, and MISO. Prior to MG3, Joe managed demand response and energy efficiency programs at Austin Energy, served as a United States Department of Energy Research Fellow contributing to the Quadrennial Energy Review, and led analytics and forecasting engagements for major utilities at DNV GL. His systems-thinking approach helps clients align operational strategy with market opportunities and long-term value creation.