Dionysios Valassas was born in 1957 in Zagora, Pelion, where he comes from. His parents were farmers. He is a graduate of the Chemical Department of the University of Athens. He took his first professional steps in the ALLATINI Food Industry as Head of the Quality Control Department.

Thus, in 1984 he occupied the position of General Manager in the Zagora Cooperative, which he holds until today.

It should be noted that Dionysios Valassas takes special care of his training, as he participates in many seminars in and outside Greece in order to keep himself informed on developments and new developments in his field.