 The board of directors of DYOSAD has over the years consisted of among others "Durmuş Yaşar", his two sons "Selçuk Yaşar" and "Selman Yaşar", and his grandson "Selim Yaşar]", as well as "Ali Nail Kubali" – representing "Yaşar Holding" as well as "Dan Alexander MacGregor Sadolin" (1958–1974), Ferd Aage Small (1958–1960), Bent Löbger (1960–1966), "Jörgen Mölvang" (1966–1995), Erik Lars Christian Smith-Petersen (1974–1986), Mogens Hugo (1986–1991), and Ove Mattson from president and CEO of "Casco Nobel", then "Nobel Industries", and member of the executive board of "AkzoNobel" (1991–1995) – all representing "Sadolin & Holmblad" of Denmark.At DYO and DYOSAD the first managing director was "Selçuk Yaşar" (1954–1968), while the first professional managing director was "Vacit Tümer" (1968–1975), and the first technical director was "Selman Yaşar" (1954–1968), while the first professional technical director was "Erik Lars Christian Smith-Petersen" (1968–1970).Peter Asgeir MacGregor Sadolin, the only son of "Dan Alexander MacGregor Sadolin" and "Bodil Mayland Sadolin", was first personal assistant to "Selçuk Yaşar" (1965–66) and thereafter project manager for the Harris Brush project and the DYOSAD Ink project (1966–1967) at DYOSAD (before becoming deputy general manager for Türk Tuborg Bira ve Malt, a Yaşar Holding joint venture with Carlsberg, in 1967–1968).