Complex sentence: Dmytro Vasylovych Firtash (born 2 May 1965) is a Ukrainian businessman, investor and philanthropist who heads the board of directors of Group DF.
Split into simpler sentences: Dmytro Vasylovych Firtash (born 2 May 1965) is a Ukrainian businessman, investor and philanthropist. He is head of the board of directors of Group DF.