Dr. Lake Dai

Assistant Professor

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Biography

Lake Dai is a venture investor and professor of artificial intelligence, with extensive experience as a technology operator. He is the founder and managing partner at Sancus Ventures, a venture firm focused on early-stage investments in software, infrastructure, artificial intelligence, and blockchain technologies. Lake began his career in product engineering and has years of product marketing experience, notably at Apple, before joining the burgeoning internet industry in 1999 as an employee number 84 at Alibaba. He led a product team that built Alibaba's B2B marketplace into a $1.2 billion business and was instrumental in driving new product innovations, including Auction, Travel, and Messenger. After his tenure at Alibaba, Lake joined Yahoo! in 2002, where he helped increase the company's market share significantly. Following a stint at Overture that culminated in its acquisition by Yahoo!, Lake rejoined Yahoo! to lead global partnerships in several countries. With two decades of operational roles, he transitioned to venture capital to share knowledge and make an impact on early-stage tech companies, while teaching applied AI at Carnegie Mellon University. Lake also serves on the boards of private tech companies across sectors like autonomous driving, neurotech, and bioinformatics, and contributes to non-profit organizations empowering technology leaders.

Research Interests

Requirements for Carnegie Mellon University

Doctorate Program
Requirements
GPA Requirement
Required:3.5
GRE General
Verbal
Required:158
Quantitative
Required:149
Analytical Writing
Required:4
Overall
Required:4
Prerequisites
Bachelor's degree in Psychology or related field Research experience/publications
Application Checklist
  • Online application
  • Statement of Purpose
  • Three letters of recommendation
  • Transcripts
  • GRE scores (optional but reported in profile)
  • English Proficiency (TOEFL/IELTS/Duolingo)
Specialization Notes

Admission is extremely competitive with no strict GPA cut-offs; holistic review is used.