Siqi Chen (@blader) — Twitter Score 300 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 300 out of 1000 (an Excellent rating) as of July 2026, ranking #1,096 (top 0.5%) among 531,432 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 302,549 followers as of July 2026 and 6,021 posts, and has been mentioned by 246 accounts a total of 398 times.

Who follows Siqi Chen on X?

The accounts that follow Siqi Chen include 1,313 founders, 317 angel investors, 467 influencers and 21 VCs, among them Balaji, Chris Dixon, Marc Andreessen, Sam Altman, Toly and Erik Voorhees.