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Last updated: 24 November 2021

Authors and Contributors

For general editorial enquiries please email

To contact a specific writer, you can find the relevant contact information below.

Aris Vourvoulias
Aris Vourvoulias, Head of Content

Aris Vourvoulias is the Head of Content in GreenMatch. Aris is a passionate author and marketer with an educational background in journalism. He continuously writes, reviews, and educates himself in the areas of business, finance, and renewable energy. He has managerial experience in many European markets, including UK, Denmark, Sweden, and Finland. He and his content team have been featured on reputable sites like GreenPeace, Guardian, iNews, Gizmodo, and more

Valli Vishnubhotla
Valli Vishnubhotla, Digital PR Manager

Valli is the Digital PR & SEO Manager at GreenMatch. She has an educational background in business management and marketing. She is a passionate digital marketer and enjoys building her skills within SEO, online marketing and PR. She holds 5 years of experience in creating content, B2B marketing, link building and digital networking. Her focus lies in the areas of business, marketing, green energy and sustainability, to name a few. Her work has been published in various media such as Entrepreneur, Business Insider, Creativebloq, Designtaxi, and more.

Natalie Kunz
Natalie Kunz, Content Manager

Natalie is the Content Manager at GreenMatch. She is educated in media & communications, and has several years of international experience in marketing and content creation. Natalie’s focus lies in the areas of finance, sustainability, business communications, and more. She and her content team have been published in reputable sites like EcoWatch, Sunday Post, Earth911, and more.

Attila Tamas Vekony
Attila Tamas Vekony, UX Manager

Attila is the UX Manager at GreenMatch. He holds a degree in international business with four years of coordination experience in marketing, user experience, and content creation. Attila likes to write about solar energy, heating technology, environmental protection, and sustainability. His and his team's articles appeared in well-known sites such as The Conversation, Earth911, EcoWatch, and Gizmodo.

Hanna Jääskö
Hanna Jääskö, Visual Content Manager

Hanna is the Visual Content Manager at GreenMatch. She has education in business & IT, and experience in both visual and written content creation for 5 years. Her focus lies in creating graphics, animations and videos for the website, social media and the GreenMatch YouTube channel. In 2019 she was nominated for the award of Young Marketing Professional by Semrush Nordic.

Sirin Çaki
Sirin Çaki, Content Writer

Sirin is a Content Writer at GreenMatch. Her educational background lies in Business Communication and Office Management, with a focus on Media & Events. She has gained international marketing experience in France and Belgium, and has her written work published on websites like News from Wales and the Sunday Post.

Germans Frolovs
Germans Frolovs, Content Writer

Germans is a Content Writer at GreenMatch. He is educated in marketing management and has experience in marketing and content creation. He continuously educates himself and writes about business, environmental laws, sustainability, and more. His work has been published on sites like Big Data Made Simple, Diginow, and more.

Michelle Schlechtriem
Michelle Schlechtriem, Content Writer

Michelle is a Content Writer at GreenMatch with a Master's degree in Communication and Business Studies. She's keen on creating content about sustainability, lifestyle, as well as more data-driven, technological topics.

Ramona Gosheva
Ramona Gosheva, Content Writer

Ramona is a Content Writer at GreenMatch with a keen focus on environmental awareness and sustainability. Her educational background is in Creative and Media Writing, and has experience in events and content creation for various mediums.


Expert Contributors

Joshua M. Pearce, Ph.D.
Joshua M. Pearce, Ph.D., Richard Witte Professor of Materials Science and Engineering

Joshua Pearce is the Richard Witte Professor of Materials Science and Engineering and a Professor cross-appointed in the Department of Materials Science & Engineering and in the Department of Electrical & Computer Engineering at the Michigan Technological University where he runs the Open Sustainability Technology Research Group. He is a visiting professor of Photovoltaics and Nanoengineering at Aalto University as well as a visiting Professor Équipe de Recherche sur les Processus Innovatifs (ERPI), Université de Lorraine, France. His research concentrates on the development of open source sustainable technologies. and spans areas of electronic device physics and materials engineering of solar photovoltaic cells, applied sustainability and energy policy.


Guest Contributors

Jenna Tsui
Jenna Tsui, Guest Contributor

Jenna Tsui is a technology and environmental science writer whose work has been published on sites like Get Green Now, Triple Pundit, Renewable Energy Hub and more. To see more posts from Jenna, follow her on Twitter @jenna_tsui

Emily Folk
Emily Folk, Guest Contributor

Emily is a freelance environmental writer who writes on renewable energy, green technology and sustainability. To read more of her writing, you can visit her blog, Conservation Folks, or follow her on Twitter @EmilySFolk

Hossein Karami Lakeh
Hossein Karami Lakeh, Guest Contributor

Hossein Karami Lakeh is an engineer interested in different aspects of energy, especially renewable energy technologies. He holds a master's degree in mechanical engineering, focusing on thermo-photovoltaic systems. He has written several articles for valid ISI journals, international conferences, and high-authority websites to share his ideas on how to make the world a better place to live.

Rich Murphy
Rich Murphy, Guest Contributor

Rich Murphy is a survival and outdoor writer at He feels we all should be ready for anything. Whether it's a personal or natural disaster, his goal is all about educating people how to survive.