Siqi Chen (@blader) — Twitter Score 339 out of 1000

Siqi Chen is a technology entrepreneur and angel investor who co-founded Runway, a financial planning platform where he serves as CEO. Siqi Chen's Twitter Score is 339 out of 1000 (an Excellent rating) as of September 2026, ranking #835 (top 0.5%) among 486,860 tracked accounts.

Siqi Chen founded Serious Business, which was acquired by Zynga in February 2010, and was previously CEO of Sandbox VR, the virtual reality experience company that raised a $37 million Series B led by Andreessen Horowitz through its Growth Fund alongside Alibaba and Craft. Sandbox VR filed for bankruptcy during the COVID crisis before later emerging with revenue up 20x compared to the beginning of 2021 after reopening. At Runway, Siqi Chen has led fundraising that includes a $5 million seed round led by Andreessen Horowitz and a $27.5 million Series A led by Initialized Capital, bringing total funding to $33.5 million, per public reporting.

Siqi Chen is also an active angel investor, with bets across a range of technology companies. Siqi Chen's account has accumulated 383,768 followers as of September 2026 and 6,128 posts, and has been mentioned by 253 accounts a total of 405 times.

Who follows Siqi Chen on X?

The accounts that follow Siqi Chen include 1,488 founders, 447 angel investors, 368 influencers and 23 VCs, among them Balaji, Chris Dixon, Marc Andreessen, Nikita Bier, Sam Altman and Erik Voorhees.