Sami Sultan

Sami Sultan, President

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.

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Mike Lewis

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.

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Juliane Surfus

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.

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Himanshu Yadav

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.

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Theresa Hoesl

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.

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Bill Swann

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.

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Divyesh Patel

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.

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Dori Wolfe

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.

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David Hanson

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.

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