Max Mullen is a technology entrepreneur who co-founded Instacart, the grocery delivery platform that went public on Nasdaq under the ticker CART in September 2023. Max Mullen's Twitter Score is 75 out of 1000 (a Good rating) as of October 2026, ranking #10,856 (top 5%) among 493,607 tracked accounts.
Max Mullen co-founded Instacart and has since built a track record as a seed-stage investor across a variety of tech sectors. Business Insider's Seed 100 lists have recognized him as a prolific backer of early-stage startups, with the 2025 edition noting he had invested in more than 100 companies. He was previously affiliated with Y Combinator. Max Mullen's account has published 2,896 posts and has 285,153 followers as of October 2026. He has been mentioned by 82 accounts a total of 149 times.
Who follows Max Mullen on X?
The accounts that follow Max Mullen include 341 founders, 121 angel investors, 29 influencers and 10 VCs, among them Chris Dixon, Nikita Bier, Marc Andreessen, Garry Tan, Alexis Ohanian and Mario Nawfal.