Team
All of our email addresses are formatted as firstname.lastname@elstor.fi
Team
Kari Suninen
Co-founder & CEO M.Sc. (Tech.) in Industrial Engineering & Management
Ari Piispanen
Founder, CTO
Tuomo Honkamäki
Sales Manager
Aleksi Porkola
Technology Manager M.Sc. (Tech.) in Electrical Engineering
Niilo Hendolin
Development Manager M.Sc. (Tech.) in Electrical Engineering
Olli Martikainen
Site Manager
Mikko Tielinen
O&M Manager M.Sc. (Tech.) in Energy Technology
Santeri Tirronen
Head of Operations M.Sc. (Tech.) in Electrical Engineering
Théo Olivès
Junior data engineer B.Sc. (Tech) in Industrial Engineering and ManagementEmilia Piispanen
Marketing Manager & AI M.Sc. in Economics & Business Administration
Saku Arffman
Development Engineer M.Sc. (Tech) Electrical Engineering
Maija Keränen
Operations Engineer M.Sc. (Tech.) in Energy Technology
Kari Timonen
Project Manager M.Sc. (Tech.) Chemical Technology
Joona Lampinen
Assemblies
Arttu Varis
Assemblies
Vertti Wikström
Head of Electrical Work
Matti Ruohio
Maintenance TechnicianCome work with us
Are you interested in shaping the future of technology while accelerating the green transition in industry? Would you like to work alongside innovative, driven, and forward-thinking professionals? We are always looking for talented people from diverse backgrounds who share a passion for learning, development, and meaningful impact. Above all, we value curiosity, initiative, and the right attitude.
Get in touch and tell us more about yourself — we would love to hear from you.
Ready for change?
This is how we make your processes fossil-free
Clean electricity, thanks to Elstor’s thermal storage, is a cost-effective alternative to fossil fuels. The technical specifications of the storage may vary by application, but emissions remain zero. Contact us, and we will provide profitability calculations for a customized system tailored to your needs.
Kari Suninen
Co-founder & CEO M.Sc. (Tech.) in Industrial Engineering & Management