Tuominen is Chief Technology Officer in the Finnish group Nordkalk, a significant producer of limestone-based products for industrial, agricultural and environmental applications. He is a geologist from Åbo Academy and has since 1992 had various positions in the Nordkalk Group, i.a. as geologist, mining manager, general manager of subsidiaries, business area manager, and vice president process technology. Tuominen has served, and is currently serving on several corporate boards in Nordkalk Group and externally.





