Mr Kolonas was appointed Executive Non-Independent Director on 18 February 2013 and last re-elected on 15 April 2021. He joined the Group in 2012 as Vice-President Commissioner of the subsidiary, PT Japfa Comfeed Indonesia Tbk. Prior to joining the Group, Mr Kolonas was the branch manager at the Head Office (Operational) of Bank Dagang Nasional Indonesia. During his time there from 1983 to 1988, he was involved in organising and managing various departments within the branch.
Mr Kolonas has also served on the board of Bank Tiara Asia, where he was President Director from 1989 to 1997 and Vice-President Commissioner from 1997 to 1998. Mr Kolonas founded PT Celebes Artha Ventura in 1996 and spearheaded investments into various financial services businesses. He has been the President Commissioner of PT Celebes Artha Ventura since 2010.
Mr Kolonas graduated from Middlesex University, United Kingdom (āUKā) in 1982 with a Bachelor of Arts (Hons) degree in Accounting and Finance. He also has a Master degree in Business Administration from Schiller International University, UK and a Master of Arts degree in Banking Administration from University of Hull, UK, which he attained in 1983 and 1989, respectively.