Reihan is an Associate for ASEAN at the US-ASEAN Business Council, where he supports the Council's regional initiatives, stakeholder engagement, and regional policy advocacy efforts. Prior to this role, he served as a Junior Communications Strategist at the Council, crafting reports, press materials, and managing media strategies to highlight U.S. business contributions in Indonesia. Earlier, as an intern for the ASEAN/SME Program at the Council, Reihan contributed to the development and execution of capacity-building activities for ASEAN SMEs. 

Reihan holds a Bachelor's degree in International Relations from Universitas Gadjah Mada, graduating cum laude with a concentration in International Political Economy. He further enriched his studies through an exchange program at Utrecht University.