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CEO & Chief Editor

Zach Shahan is tryin’ to help society help itself one word at a time. He spends most of his time here on CleanTechnica as its director, chief editor, and CEO.

Zach is recognized globally as an electric vehicle, solar energy, and energy storage expert. He has presented about cleantech at conferences in India, the UAE, Ukraine, Poland, Germany, the Netherlands, the USA, Canada, and Curaçao. If you would like him to speak at a related conference or event, connect via CleanTechnica‘s contact page.


Chelsea Harder is an engineer and educator who has spent time working in STEM education for girls, energy efficiency transformational programming for Hawaii Energy, and as the state dashboard coordinator for Hawaii Green Growth, tracking the state’s progress across more than a dozen sustainable development goal commitments. Chelsea came on board as President in early 2020.

Chelsea is an avid biker, swimmer, plant-based eater, and advocate of social justice and programs that empower communities with economic and environmental resilience.

Vice President of Operations

Derek Markham lives in southwestern New Mexico and digs bicycles, simple living, fungi, organic gardening, sustainable lifestyle design, bouldering, and permaculture. He loves fresh roasted chiles, peanut butter on everything, and buckets of coffee.

Derek is a primary CleanTechnica editor, inserting neglected commas and catching countless typos on a daily basis. He also writes an article from time to time. Catch up with Derek on Twitter or at his natural parenting site, Natural Papa!

Vice President of Biz Development

Kyle Field is a tech geek passionately in search of actionable ways to reduce the negative impact my life has on the planet, save money and reduce stress. Live intentionally, make conscious decisions, love more, act responsibly, play. The more you know, the less you need.

Kyle has owned four electric vehicles — a Nissan LEAF, Tesla Model S, Mercedes-Benz B250e, and Tesla Model 3. He also has a Tesla Solar Roof and two Tesla Powerwalls. He routinely writes review articles about these on CleanTechnica.

Senior Reporters

Michael Barnard is Chief Strategist with TFIE Strategy Inc and co-founder of two current startups. He works with startups, existing businesses and investors to identify opportunities for significant bottom line growth and cost takeout in our rapidly transforming world. He is editor of The Future is Electric and designing for health. He regularly publishes analyses of low-carbon technology and policy in sites including Newsweek, Slate, Forbes, Huffington Post, Quartz, and RenewEconomy, as well as CleanTechnica, and his work is regularly included in textbooks. Third-party articles on his analyses and interviews have been published in dozens of news sites globally and have reached #1 on Reddit Science. He’s available for consulting engagements, speaking engagements and Board positions.

Jose Pontes has been overviewing the sales evolution of plug-in vehicles through the EV Sales blog since 2012, allowing him to gain an expert view on where EVs are right now and where they are headed in the future. The EV Sales blog has become a go-to source for people interested in electric car sales around the world. Extending that work and expertise, Jose is now a partner in EV-Volumes and works with the European Alternative Fuels Observatory on EV sales matters, as well as publishing several monthly sales reports on CleanTechnica — for Europe, China, France, Germany, and the Netherlands.

Dr. Maximilian Holland is an anthropologist, social theorist and international political economist, trying to ask questions and encourage critical thinking about social and environmental justice, sustainability and the human condition. He has lived and worked in Europe and Asia, and is currently based in Barcelona. Find Max’s book on social theory, follow Max on twitter @Dr_Maximilian and at, or contact him via LinkedIn.

Tina Casey specializes in military and corporate sustainability, advanced technology, emerging materials, biofuels, and water and wastewater issues. She loves to cover emerging and may-emerge-someday cleantech, including scientific advancements from universities and research labs around the globe. Tina’s articles have been reposted to Reuters, Scientific American, and many other sites.

Follow Tina on Twitter @TinaMCasey.

Steve Hanley writes about the interface between technology and sustainability from his home in Florida, or anywhere else the Singularity may lead him. Steve is passionate about social justice, progressive principles, and infusing every article with a good dose of humor. Don’t miss out on the fun! You can follow Steve on Twitter, but not on any social media platforms run by evil overlords like Facebook.

Carolyn Fortuna, Ph.D. is a writer, researcher, and educator with a lifelong dedication to ecojustice. She’s won awards from the Anti-Defamation League, The International Literacy Association, and The Leavy Foundation.

As part of her portfolio divestment, she purchased 5 shares of Tesla stock. You can follow Carolyn on Twitter and Facebook.

Winter Wilson is a Cutler Scholar and undergraduate student double majoring in Environmental Studies and Journalism at Ohio University’s Honors Tutorial College, with a minor in French. Her academic interests include environmental communication, technology and social innovation, especially as they relate to international climate change mitigation and adaptation. Though Winter attends school in her hometown of Athens, Ohio, she takes advantage of her breaks to explore the world beyond. She spent her most recent break undertaking self-driven research on climate change and environmental justice in Southeast Asia. This year, she will be completing her dual thesis and supplementary documentary series on climate change communication.

Remeredzai Joseph Kuhudzai has been fascinated with batteries since he was in primary school. As part of his high school physics class he had to choose an elective course. He picked the renewable energy course and he has been hooked ever since. At university he continued to explore materials with applications in the energy space and ending up doing a PhD involving the study of radiation damage in high-temperature gas-cooled nuclear reactors. He has since transitioned to work in the solar and energy storage industry and his love for batteries has driven him to obsess about electric vehicles.

Maarten Vinkhuyzen is a grumpy old man. The best thing he did with his life was raising two kids. Maarten only finished primary school, but when you don’t go to school, you have lots of time to read. He switched from accounting to software development and ended his career as a system integrator and architect. Maarten’s 2007 boss got two electric Lotus Elise cars to show policymakers the future direction of energy and transportation. Maarten drives a Renault Zoe and is putting his money where his mouth is as well with shares in Tesla. He intends to keep them until he can trade them for a Tesla car.

Paul Fosse has been a software engineer for over 30 years, first developing EDI software, then developing data warehouse systems. Along the way, he has also had the chance to help start a software consulting firm and do portfolio management. In 2010, Paul took an interest in electric cars because gas was getting expensive. In 2015, he started reading CleanTechnica and took an interest in solar, mainly because it was a threat to his oil and gas investments, which he dropped for a focus on Tesla [TSLA] and other stocks. Paul now drives a Tesla Model 3 and has an order in for a Tesla Model Y. Follow Paul on Twitter @atj721.

Jesper Berggreen had his perspective on the world expanded vastly after having attended primary school in rural Africa in the early 1980s. And while educated a computer programmer and laboratory technician, working with computers and lab-robots at the institute of forensic medicine in Aarhus, Denmark, he never forgets what life is like having nothing. Thus it became obvious for him that technological advancement is necessary for the prosperity of all humankind, sharing this one vessel we call planet earth. However, technology has to be smart, clean, sustainable, widely accessible, and democratic in order to change the world for the better. Writing about clean energy, electric transportation, energy poverty, and related issues, Jesper gets the message through to anyone who wants to know better. Jesper is founder of

Alex Voigt has been a supporter of the mission to transform the world to sustainable carbon free energy for 40 years. As an engineer, he is fascinated with the ability of humankind to develop a better future via the use of technology.

With 30 years of experience in the stock market, Alex is invested in Tesla [TSLA], as well as some other tech companies, for the long term.

Johnna Crider is a Baton Rouge artist, gem and mineral collector, as well as a Tesla shareholder who believes in Elon Musk and Tesla. Elon Musk advised her in 2018 to “Believe in Good,” which led her to CleanTechnica (in a roundabout way). Tesla is one of many good things to believe in. Johnna has a reservation in for a Tesla Cybertruck. You can find Johnna on Twitter @JohnnaCrider0 or via her website,

Cynthia Shahan started writing after previously doing research and publishing work on natural birth practices. She is a licensed health care provider. She studied and practiced both Waldorf education and Montessori education, and is a mother of four unconditionally loving spirits, teachers, and environmentally conscious beings born with spiritual insights and ethics beyond this world. She was able to advance more in this way led by her children.

Chanan Bos grew up in a multicultural, multi-lingual environment that often gives him a unique perspective on a variety of topics. He is always in thought about big picture topics like AI, quantum physics, philosophy, Universal Basic Income, climate change, sci-fi concepts like the singularity, misinformation, and the list goes on. Currently, he is studying creative media & technology but already has diplomas in environmental sciences as well as business & management. His goal is to discourage linear thinking, bias, and confirmation bias whilst encouraging out-of-the-box thinking and helping people understand exponential progress. Chanan is very worried about his future and the future of humanity. That is why he has a tremendous admiration for Elon Musk and his companies, foremost because of their missions, philosophy, and intent to help humanity and its future. He sees Tesla as one of the few companies that can help us save ourselves from climate change.

Loren McDonald writes about the factors driving adoption of electric vehicles and the opportunities and challenges the transition to EVs presents companies and entrepreneurs in the auto, utility, energy, retail and other industries. His research and content are published on CleanTechnica, his own website,, and in his upcoming book Gas Station Zero about the huge shifts and changes in multiple industries driven by the transition to battery electric, autonomous, and shared vehicles.

Tim Dixon is getting a PhD and teaching in China, when not researching the Chinese electric car market. His interest in sustainable development started in university and led him to work with Tesla Europe on the Supercharger team before his move to China.

Tim is interested in science fiction, D&D, and travel. You can follow him on Twitter @TimDixon3.

Susanna Schick is passionate about anything fast and electric. As long as it’s only got two wheels. She covers electric motorcycle racing events, test rides electric motorcycles, and interviews industry leaders. Occasionally she deigns to cover automobile events in California for us as well. However, she dreams of a day when Los Angeles’ streets resemble the two-wheeled paradise she discovered living in Barcelona and will not rest until she’s converted the masses to two-wheeled bliss.

George Harvey is a retired computer engineer who researches and writes on energy and climate change on a daily blog ( as well as CleanTechnica. He also has a weekly hour-long TV show, Energy Week with George Harvey and Tom Finnell.

In addition to those found at CleanTechnica, many of his articles can be found at

John Farrell directs the Democratic Energy program at ILSR and he focuses on energy policy developments that best expand the benefits of local ownership and dispersed generation of renewable energy. His seminal paper, Democratizing the Electricity System, describes how to blast the roadblocks to distributed renewable energy generation, and how such small-scale renewable energy projects are the key to the biggest strides in renewable energy development.

Farrell also authored the landmark report Energy Self-Reliant States, which serves as the definitive energy atlas for the United States, detailing the state-by-state renewable electricity generation potential. Farrell regularly provides discussion and analysis of distributed renewable energy policy on his blog, Energy Self-Reliant States (, and articles are regularly syndicated on Grist and Renewable Energy World. John Farrell can also be found on Twitter @johnffarrell, or at

Harry Stoltz is an aspiring organic chemist, and a volunteer student researcher at the California Institute of Technology. He is fascinated by cutting edge technology and a clean future. Harry is the Lead Space Correspondent for CleanTechnica, which we admittedly do not cover that frequently, and also writes about clean energy, self-driving cars, and battery tech. You can find Harry on Twitter @harrystoltz1.

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