Sami was born and raised in Houston, TX and currently works as an Integration and Governance Manager in Shell’s Renewables and Energy Solutions organization, developing renewables projects across the US.

Sami Sultan, President

Mike Lewis, Vice President
Mike Lewis currently holds an Asset Manager position with Caterpillar, helping deploy Energy Storage Solutions to the oil and gas industry. He also is the founder and principal inspector for Klutch City Inspections.

Juliane Surfus, Secretary
Julie has been calling Houston home since 2013, working as a chemical and biological engineer at Dow in hydrocarbons manufacturing and supply chain roles.

Himanshu Yadav, Treasurer
Having migrated from India to the US and calling Houston his home for the past ten years, Himanshu is currently a Vice President in the Acquisition and Divestitures team at Wells Fargo investment bank and advises energy companies.

Theresa Hoesl, Policy Director
Theresa recently graduated with a Masters of Global Affairs from Rice University. She is currently working as a Research Associate with a focus on the energy transition at the Center for Energy Studies at Baker Institute for Public Policy.

Bill Swann, Education & Solar Workshop Director
I walk and talk the message of going green. Educate others. I do by leading the monthly solar workshop.

Divyesh Patel, Fundraising & Business
Divyesh brings over 30 years of experience from various business ventures to HREG. He got his start working for his father at a family-owned motel and over the years has been a pioneer in starting up several businesses.

Dorothy Wolfe, Solar United Neighbors
Dori founded Wolfe Energy to share her passion for energy conservation, energy efficiency, and renewable energy. She has been actively involved in Solarize Houston, now through Solar United Neighbors and Houston Renewable Energy Group.

David Hanson, EVs/Transportation
Dave is a Board Member of HREG. He has been involved with HREG over many decades as HREG has conducted Houston Solar Tours and many other activities to help the public learn about the development and advantages of clean electricity.