Tony Zhao

Tony Zhao is the co-founder and CEO of Sunday, a Mountain View-based robotics company building Memo - a home robot trained on 10 million episodes of real household routines. A Stanford PhD dropout and UC Berkeley EECS alum, Zhao invented ALOHA and ACT during his doctoral research, open-source frameworks that became foundational to modern robot manipulation. Sunday reached unicorn status in March 2026 with a $165M Series B led by Coatue, putting the company at a $1.15B valuation with a mission to put a helpful robot in every home.