Facebook co-founder Eduardo Saverin (net worth $5 billion) has invested in tech startup website, Tech in Asia, which announced the billionaire's investment in a post Monday.

Tech in Asia was founded in Singapore in 2010. It describes itself as “the online community for Asia’s startup ecosystem.”

The company hosts a tri-annual conference, the next of which will be held in Tokyo this September.

While the precise amount of Saverin’s investments is not known, Tech in Asia's funding round raised $4 million in total, along with investments from SB ISAT Fund, Walden International, Marvelstone, M&S Partners, and Andrew James Solimine.

The Brazilian-born Saverin moved to Singapore in 2009. His wealth comes from his 5 percent ownership stake in Facebook. Though Saverin parted ways with the company and cofounder Mark Zuckerberg in 2005, his shares are currently worth about $4.5 billion.

Saverin's other investments include Singapore property site 99.co and online grocer Redmart.

He has reportedly funded some 14 companies, including baby and kid e-retailer Hopscotch, online payment and identification service Jumio, and food technology startup Hampton Creek Foods.

He also confounded Velos Partners, a private equity firm based in Los Angeles.

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