BOARD OF COMMISIONER
Dr. D. Andhi Nirwanto, S.H., M.M.
H. Azis Samual, S.Sos, M.Si
Sukardi Rinakit
Gustaaf AC Patty
dr. Etha Rimba Paembonan, MBA
Ir. Musthofa
BOARD OF DIRECTOR
Gusrizal
F. Purwanto
Mohamad Agung
Qomaruzzaman
CORPORATE SECRETARY
Teguh Ismartono
Dr. D. Andhi Nirwanto, S.H., M.M.
Commisioner
H. Azis Samual, S.Sos, M.Si
CommissionerStarted his career at PT Silvatera in 1989 as Head of Supervision, and from 1995 to 2019 held various positions in several companies. Previously served as President Commissioner at PT Spacecon International from 2010-2022.
Since 2022, he has been active in various strategic consulting activities and organizational roles in the industrial and infrastructure sectors before being appointed Commissioner of Pupuk Kaltim.
Sukardi Rinakit
Independent CommissionerHas served as Commissioner of Pupuk Kaltim since Mei 31, 2019. Born in Madiun, June, 5, 1963. Obtained a Bachelor's degree of Social science and political science degree from Indonesian University (1989), and Master of Southeast Asian Studies in National University of Singapure (1996), and earned a Doctorate in Departement of Political Science, National University of Singapore (2003).
Concurrent Position: Special Staff to the President of the Republic of Indonesia
Affiliation Relation: Has no affiliation with fellow members of the Board of Commissioners and members of Board of Directors
Gustaaf AC Patty
Independent CommissionerHas served as Commissioner of Pupuk Kaltim since August 25, 2020, Born in Makassar, September 13, 1961. Previously the Independent Business of Making Coal Briquettes, Activist Forum Organization 77-78, Organization of the People's Sovereignty Movement & Social Justice (Petisi-50), Civil Society Movement Organizations and Transitional House Infrastructure working group organizations.
Concurrent Position: Has no concurrent positions
Affiliation Relation: Has no affiliation with fellow members of the Board of Commissioners and members of Board of Directors
dr. Etha Rimba Paembonan, MBA
Independent CommissionerConcurrent Position: No Concurrent Position
Affiliation Relationship: Has no affiliation with other members of the Board of Commissioners and Board of Directors.
Ir. Musthofa
Independent CommissionerHas served as Commissioner of Pupuk Kaltim since April 23, 2020. Born in Klaten, 20 October 1955. Started his career in Pupuk Kaltim since 1981. Previously served as The Director of Engineering and Development in PT Pupuk Kujang Cikampek (2001 - 2004), The Director of Production in PT Petrokimia Gresik (2004 - 2010), The Director of Engineering and Development in PT Pupuk Sriwidjaja Palembang (2010 - 2012) and President Director of PT Pupuk Sriwidjaja Palembang (2012 - 2015). Also, serve as President Commissioner of PT Pupuk Iskandar Muda (2015 - present). Graduated with a Bachelor's degree in Chemical Engineering from Gajah Mada University, Yogyakarta in 1980.
Concurrent Position: GCG Committee Chair – Risk Management, Nomination, Remuneration, Development and Investment
Affiliation Relation: Has no affiliation with fellow members of the Board of Commissioners and members of Board of Directors
Gusrizal
President DirectorStarted his career at PT Pertamina (Persero) since 2008 by occupying various positions. In 2013 served as President Director of PT Donggi Senoro LNG, and in 2015 served as Director of Human Resources and General Affairs at PT Pupuk Indonesia (Persero), 2016 served as Investment Director at PT Pupuk Indonesia (Persero) and 2020 served as Marketing Director at PT Pupuk Indonesia (Persero). Previously served as Deputy President Director at PT Pupuk Indonesia (Persero) from 2023–2025.
F. Purwanto
Director of Operation
Mohamad Agung
Director of DevelopmentStarted his career at PT Rekayasa Industri since 2005, by occupying various positions, including as Business Manager Ref & Petro until he served as SVP Center of Excellence on March 17, 2025 at PT Rekayasa Industri.
Qomaruzzaman
Director of Finance & General AffairsServing as Finance and General Affairs Director of Pupuk Kaltim since August 25, 2020. Born in Solo on December 19, 1962. Obtained a Bachelor`s Degree in Mechanical Engineering at the Bandung Institute of Technology in 1978 and a Master in Management at the University of Indonesia, Depok. Previously served as Commercial Director at PT Rekayasa Industri.
Concurrent Position: Has no concurrent positions
Affiliation Relation: Has no affiliation with fellow members of the Board of Commissioners and members of Board of Directors
Teguh Ismartono
Corporate SecretaryAppointed as Corporate Secretary of PKT in November 2020. Born in Purwokerto on March 9, 1972. Obtained his bachelor’s degree in Chemical Engineering from Sepuluh Nopember Institute of Technology in 1997. Previously served as Operations Director of PT KDM (2019–2020).