I Wayan Koster

I Wayan Koster
Official portrait, c. 2023
9th Governor of Bali
Assumed office
20 February 2025
Vice GovernorI Nyoman Giri Prasta
Preceded bySang Made Mahendra Jaya (acting)
In office
5 September 2018 – 5 September 2023
Vice GovernorTjokorda Oka A. A. Sukawati
Preceded byI Made Mangku Pastika
Succeeded bySang Made Mahendra Jaya (acting)
Member of the People's Representative Council
In office
1 October 2004 – 14 May 2018
Succeeded byI Gusti Agung Putri Astrid
ConstituencyBali
Personal details
Born (1962-10-20) 20 October 1962
Singaraja, Bali, Indonesia
PartyPDIP
Alma materBandung Institute of Technology (BMath)
International Golden Institute
Jakarta State University
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I Wayan Koster (born 20 October 1962) is an Indonesian politician who is the 10th governor of Bali. Before becoming governor, he was a member of the People's Representative Council representing the province.

A three-term parliamentarian representing his home province, Koster studied at Bandung Institute of Technology and Jakarta State University before becoming a lecturer and eventually joining PDI-P.