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Executive Officers




Mr. Kaveh Ertefai

Chief Executive Officer


Kaveh Ertefai is the founding Director and CEO of Activ Solar. Prior to establishing the company in 2008, he held senior positions with UBS Investment Bank based in New York, London and Dubai with a focus on emerging markets including Central & Eastern Europe, the Middle East and Africa. Kaveh graduated with a B.S. in Finance & Economics from the Stern School of Business, New York University. He also hold an MBA from the Trium Global Executive MBA program.




Dr. Johann Harter

Chief Operating Officer


Dr. Johann Harter joined Activ Solar in 2010 bringing over 28 years of experience leading multinational teams across Europe, the US and Asia in the fields of technology development, semiconductor manufacturing, business management, operation ramp-up and restructuring. Prior to joining Activ Solar, Dr. Harter held senior positions within Qimonda Solar, Qimonda AG and Siemens AG. Dr. Harter is a physicist with a PhD in Semiconductor Electrolyte Contacts from Karlsruhe University, Germany.




Corporate Management




Mr. Michael Cherevko

General Director, Activ Solar LLC (Ukraine)


Mr. Michael Cherevko joined Activ Solar in 2009. Michael brings 10 years of experience in the business development of large-scale diversified holding companies including 6 years in senior management positions. Michael is responsible for the development of new business directions for the Activ Solar Group in addition to the supervision of the Ukraine-based activities. Mr. Cherevko holds a Master’s Degree in International Economics from the Donetsk National Technical University, Ukraine.

















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