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CEO Ari Ketola

Mr. Ketola is a Finnish entrepreneur with extensive experience of building growth organizations for sales and marketing. He orchestrated the successful expansion of the fashion brand Esprit from a market newcomer into one of the leading brands in Finland, with operations also in the Baltic countries and Russia. Ari is the inventor of Ductor technology as well as its co-founder/early stage financier and is the company’s CEO.

ari.ketola (at) ductor.com


Ilkka VirkajarviCTO Ilkka Virkajärvi

Mr. Virkajärvi D. Sc. has over 25 years of experience in fermentation and downstream processing. He has worked with R&D organizations as well as industrials. Ethanol fermentation and biofuels in particular have occupied over ten years of his professional life, first with the Finnish State Research Centre, then Pöyry Ltd and Kemira Ltd. Ilkka is a patent holder, and has international publications and a book chapter to his name.

ilkka.virkajarvi (at) ductor.com


PhotoCFO Joonas Kettunen

Mr. Kettunen is an international finance professional with vast experience of corporate M&A and business development from private European companies across a range of different industries. He worked at leading European private equity firm EQT Partners in Helsinki and Stockholm from 2002 to 2009, and since then he has supported the growth ambitions of Finnish SMEs as an advisor and board member.

joonas.kettunen (at) ductor.com


Mr. Marko KärkkäinenPresident, Asia Pacific Marko Kärkkäinen

Mr. Marko Kärkkäinen has more than a two decades of experience in the marketing, branding, sales, waste management and load handling industry in Europe, China and South East Asia. Marko has provided waste management solutions to the numbers of municipalities and other projects, example Beijing, Shanghai, Nanjing, Baotou, Bangkok, Jakarta, Moscow, Omsk and London. His current work at Ductor is to lead the development and strategic growth of Ductor Corporation in Asia Pacific. Before joining Ductor Corp., he led sales and signed projects for MariMatic Pte. Ltd., in China and Asia Pacific, and Hyva Mechanics (Yangzhou) in China, South East Asia and Russia. Marko holds a Master’s Degree in Marketing from The University of South Wales, UK. He is a member of Business Advisory Board and visiting speaker in New York Institute of Technology, School of Management, Nanjing.

marko (at) ductor.com


Aarre ViialaDirector for International Operations Aarre Viiala

Mr. Viiala M.Sc. (Tech.) has significant international experience in the management of B2B products in SMEs and global corporates. Aarre has spent most of his career abroad: over 25 years in Germany, France, Switzerland and Poland as managing director, area sales lead as well as manager of various projects – especially for power plants. He has been in charge of market entry projects for innovations and establishing subsidiaries abroad.

aarre.viiala (at) ductor.com


Minna LeppikorpiDirector, Marketing and Business Development  Minna Leppikorpi

Mrs. Leppikorpi, M.Sc. (Econ.) has over 25 years of working experience, including energy trading, selling and marketing, consulting and asset management. Her professional career covers a range of different markets, such as energy, finance and consultancy, and includes assignments in Finland and abroad. Minna’s work history includes both managerial and leadership positions.

minna.leppikorpi (at) ductor.com