Didier Dayen

Senior Director Global Advance Planning & Center of Expertise



Didier Dayen is the senior director of Global Advanced Planning & Center of expertise at Merck Biopharma. He is based in Aubonne, Switzerland. Didier has more than 20 years of experience in Pharma Supply chain and he held various positions in Serono and Merck, mainly in global and local operational planning, in implementing demand, distribution and production planning processes & tools as well as leading the Supply Network Operations European regional team, owning the warehousing and secondary distribution of the Merck biopharma products.