Short biography: Tomas Wallenius is a co-founder and chief technology officer of Wicetec Oy, a company developing wind turbine blade heating system technology founded 10 years a go, as a spin-off from VTT Technical Research Centre of Finland. Tomas has worked in wind industry more than 15 years, always engaged in wind energy in winter conditions. Prior moving to industry side, he was a senior scientist at VTT and took care of Operating Agent duties of IEA Wind Task 19 – Wind Energy in Cold Climates working group and was a wind turbine power performance analyst as a part of accredited testing laboratory team. Tomas holds a Master’s degree in mechanical engineering (major subject applied thermodynamics) from Technical University of Helsinki. Outside work life, and besides family life, he restores his beloved tiny little night fire red classic Mini car.