D-r Konstantin Trenchev - President of the Podkrepa Confederation of Labour
Born on 8 February 1955 in Stara Zagora.
Graduate of the Higher Medical Institute in Sofia.
He was assistant in anatomy, histology and embryology at the Higher Medical Institute in Stara Zagora. Initiator and innovator, author of recognized inventions.
One of the founders of SDS. Founder and President of Podkrepa Confederation of Labour since February 1989.
Vice President of the International Confederation of the Independent Labour Unions.
Honorary President of "Democratic Alliance" political party. Candidate for deputy to the EP in the list of "Social Democrats" political movement.