2007—2013
Early foundations
Technology and finance leadership at Bumi Intermedia, alongside operations at Adsindo Lingkar Media, the company behind Ads.id.
Entrepreneur & technologist
Co-founder & CEO of INDODAX
General Secretary of ABI
Asosiasi Blockchain Indonesia
Building technology, growing businesses, and helping shape Indonesia’s digital future.
Jakarta, Indonesia
The beginning of Bitcoin.co.id
A new chapter as INDODAX CEO
Fortune Indonesia · Class of 2026
I’m William, an Indonesian entrepreneur and technologist. In 2013, I co-founded Bitcoin.co.id. That early venture grew into INDODAX, a digital asset exchange serving Indonesia.
After leading the company’s technology as CTO, I became CEO in May 2025. My focus today is on product innovation, responsible growth, and making digital assets more accessible through a trusted platform.
Outside of work, I’m a recreational marathoner and triathlete.
2007—2013
Technology and finance leadership at Bumi Intermedia, alongside operations at Adsindo Lingkar Media, the company behind Ads.id.
2013—2025
Built the technology behind Bitcoin.co.id and its evolution into INDODAX, with early initiatives including BitIslands, TokoBitcoin, and BitBayar.
2025—Present
Leading the company’s next chapter, with a focus on innovation, regulatory compliance, and sustainable growth.
Read the announcement2026—Present
Serving as General Secretary of Asosiasi Blockchain Indonesia (ABI). Named to Fortune Indonesia’s 40 Under 40 in 2026 for contributions to the digital asset industry.
About the recognitionVentures I’m part of.
Stanford Graduate School of Business · Executive Program
BINUS University
Kolese Loyola
Business interests include Bank Danakarya and Bali Top Changer.
View my full professional profileStay in touch
Find me online for ideas, updates, and a look at the journey.