The Indonesian Chamber of Commerce and Industry (Indonesian: Kamar Dagang dan Industri Indonesia) or Kadin is an association of business organizations in Indonesia. Members consist of entrepreneurs or a combination of national businesses from various sectors, including private-owned enterprises, cooperatives, and government-owned enterprises. Kadin is headquartered in Jakarta, but it functions by coordinating, consulting, and cooperating with chambers of commerce throughout Indonesia. The organization was founded on 24 September 1968 and regulated in Act No. 1 of 1987.

Reihan is an Associate for ASEAN at the US-ASEAN Business Council, supporting regional initiatives, stakeholder engagement, and regional policy advocacy. He previously served as a Junior Communications Strategist and as an intern for the ASEAN/SME Program at the Council, focusing on media strategies and SME development. Reihan holds a Bachelor’s degree in International Relations from Universitas Gadjah Mada, graduating cum laude, and attended Utrecht University’s exchange program.