Lumikko Strengthens Sales, Procurement, and Product Development Teams

Lumikko is excited to welcome three new team members, each bringing valuable expertise to support our growth and innovation. Mika Sorri, Eero Yli-Rahnasto, and Inka Seppälä will enhance our capabilities in electrification, procurement development, and simulation-driven product development.

Mika Sorri – Head of Electrification

Mechatronics engineer Mika Sorri joins Lumikko as a seasoned sales and technology professional with over 20 years of experience in mechanical engineering, sheet metal production, and design. Passionate about electrifying work machines, Mika has a long-standing connection with Lumikko, having known the company since childhood and later through professional collaborations.

“Lumikko’s strong team spirit, genuine values, and clear strategy drew me in,” Mika shares.

As Head of Electrification, Mika will focus on the energy sector, overseeing sales of battery thermal management systems. His customer-oriented approach and extensive industry expertise make him a trusted partner in meeting the growing demands of the energy sector.

Eero Yli-Rahnasto – Strategic Buyer

With a Master’s degree in Industrial Engineering, Eero Yli-Rahnasto brings extensive experience in procurement development and production processes. Eero appreciates the growth-oriented, collaborative atmosphere at Lumikko.

“The positive work environment and focus on development have made an excellent first impression,” Eero says.

As Strategic Buyer, Eero will focus on supplier relationship management, competitive bidding, and optimizing procurement processes. His efforts will strengthen Lumikko’s supply chain, ensuring high quality and reliable deliveries for our customers.

Inka Seppälä – Simulation Engineer


Inka Seppälä
, a Master of Science in Engineering Physics, specializes in thermodynamics, mathematics, and simulation models. At Lumikko, Inka will apply her expertise to simulation-driven design, enabling us to optimize system efficiency and reliability early in the development process.

Through simulation, Lumikko delivers more sustainable and precise thermal management solutions, reducing development time, minimizing risks, and enhancing performance.

“I’m eager to use the skills I gained during my studies and contribute to exciting projects where mathematics and logical reasoning come to life,” Inka explains.

Expanding Our Expertise to Drive Growth

We are delighted to welcome Mika, Eero, and Inka to the Lumikko team. Their versatile skills and dedication will play a vital role in supporting our continued growth and delivering innovative solutions to our customers.

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