Meet Our STAFF


Director of Communincations

As Director of Comms , Michael Hetz is the creative and design engine behind San Diego Energy District and has volunteered his services for ten years.

His career spans more than forty years of advertising, design and brand consulting working on a wide range of clients from International Hotel Chains to tech and biotech, restaurant and consumer advertising and packaging for retail, as well as financial and banking and services.

Much of his work has been recognized with industry awards.

Today, his skills have expanded into content creation for websites and social media campaigns.

Currently he is working on a memoir centered on his experience in prison for refusing to serve in the Vietnam War, called Boom Boy, going to publishers in 2022.


Executive Deputy Director

Isabella has a Bachelor’s Degree in Renewable Energies Engineering from CETYS University where she graduated with honors and was awarded the Medal of Honor and Cum Laude. Graduating in June 2021, she joined San Diego Energy District as the Executive Deputy Director.

She was born in Tijuana but was raised as a bi-national citizen of both Tijuana and San Diego. Having this type of upbringing, Isabella has a unique perspective about both cities. She has learned about the Electrical Wholesaler Market (MEM) in México while working at Diurna Energy. Isabella has studied at Alcalá de Henares University, focusing on renewable energy sources and has even calculated the carbon footprint at CETYS University. She has participated in the online course “Sustainable Business: Big Issues, Big Changes” by the University of Colorado System. While at university, she co-funded “TerraVita”, an environmental and sustainability committee where they organized 4+ events on sustainability, 3 beach cleanups, 2 recycling events and many courses.

It is evident that Isabella is passionate about the environment and climate change, and she feels it is her duty to help others realize the urgency that is happening now. Isabella joined San Diego Energy District to make this a reality and to make a difference in San Diego and clean energy.


Secretary & VP of Administration

Susan has been helping companies define business models and growth strategies, build brands, evaluate systems and technologies, and grow capabilities for over 20 years. With experience in multiple industries and with a diverse mix of companies — from startups to global corporations — Susan has been able to integrate these kinds of efforts in ways that create competitive advantage and measurable value.

Susan has a Bachelors in Music Education from North Central College in Illinois and a Masters in Opera Performance from the University of Cincinnati where she was also enrolled in a DMA doctoral program, computer sciences studies, and later an MBA program before being recruited to move to California in 2000. (She regrets not having been able to finish the MBA, but not having moved to California.)


Symposium Coordinator and Event Organizer

Ms. Torre-Bueno is a former business owner who co-founded and ran two companies – a publishing company and a biotech firm – both of which she successfully sold. This allowed Susi to retire early and spend the next 30 years working for several non-profits. In that time she has been responsible for organizing more than 120 fund-raising educational events.

For the Pacific Horticulture Society, Ms. Torre-Bueno designed and organized a series of highly successful three-day events, including speakers and bus tours, each attended by several hundred people.  As a volunteer for The Garden Conservancy, Ms. Torre-Bueno designed and organized over a dozen day-long garden tours, each attended by hundreds of people. As the past president of the San Diego Horticultural Society, she created and organized dozens of events, worked with hundreds of volunteers, initiated the creation of their website and many public events, presided over 100 monthly meetings attended by over 200 people, and served as their newsletter editor for 22 years.

Ms. Torre-Bueno earned a BA at the State University of New York at Stony Brook.


David earned a B.S. and M.S. in Mechanical Engineering from UC Berkeley. While at Berkeley, he developed his passion for renewable energy through designing wind turbines & maintaining solar systems with blueEnergy, research in demand response, and participation on the solar vehicle team. David and his co-founders were awarded $24K in seed funding from the Berkeley Big Ideas Competition and National Collegiate Inventors & Innovators Alliance for their innovative flywheel energy storage design and business plan.

David has eight years of work experience in engineering, project management, and business development in commercial aerospace where he has focused on reducing carbon emissions and electrifying aviation. David is currently working with the Center for Community Energy to analyze how electric vehicles can be utilized to offset the intermittency associated with renewable energy through vehicle-to-grid technology.

David joined SDED as an analyst to apply his business development and technical experience to accelerating the transition to a clean energy future in his hometown of San Diego.