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 August 2026, ranking #10,835 (top 5%) among 483,944 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 2,885 posts and has 238,467 followers as of August 2026. He has been mentioned by 79 accounts a total of 146 times.
Who follows Max Mullen on X?
The accounts that follow Max Mullen include 333 founders, 119 angel investors, 28 influencers and 10 VCs, among them Chris Dixon, Nikita Bier, Marc Andreessen, Garry Tan, Alexis Ohanian and Mario Nawfal.