Ognjen Kraus Ph.D.M.D, was born in 1945. He is married and has two children. Kraus is a retired Professor at The University of Zagreb, School of Medicine – Head of The Department of Urology at University Hospital Sestara Milosdrdnica.
Ognjen Kraus was elected President of The Jewish Community of Zagreb in 1993 (re-elected 1997, 2001, 2005, 2009, 2013). He is President of Co-ordination Committee of Jewish Communities in The Republic of Croatia since 1993 (re-elected 1997, 2001, 2005, 2009, 2014) and served as EJC Executive Board Member (1997-2001).