Lan Xuezhao is a venture capital investor at Basis Set Ventures who combines a PhD in psychology and master's in statistics with hands-on experience building Dropbox's first data science team from scratch when the company had only a few hundred employees. She was among the earliest institutional backers of flagship AI infrastructure companies like Scale AI, well before the current AI boom, and applies a systematic, experiment-driven approach to help founders treat everything from sales motions to product development as testable hypotheses with clear metrics. Lan Xuezhao is a venture capital investor at Basis Set Ventures who combines a PhD in psychology and master's in statistics with hands-on experience building Dropbox's first data science team from scratch when the company had only a few hundred employees. She was among the earliest institutional backers of flagship AI infrastructure companies like Scale AI, well before the current AI boom, and applies a systematic, experiment-driven approach to help founders treat everything from sales motions to product development as testable hypotheses with clear metrics.