kartik (@sathaxe) — Twitter Score 65 out of 1000

Kartik Sathappan is a venture capitalist and angel investor who founded Families Fund, an early-stage firm backing companies in education, health, fertility, nutrition, and related family-focused services. Kartik's Twitter Score is 65 out of 1000 (a Good rating) as of September 2026, ranking #12,991 (top 5%) among 487,142 tracked accounts.

Kartik also co-founded two crypto and Web3 ventures. Bifrost, which he co-founded, was built to enable smart contracts that transfer self-custodied crypto assets during end-of-life events; it participated in Y Combinator's Winter 2022 batch and is now listed by Y Combinator as inactive. Kartik also co-founded Mysterious, a crypto-native community platform featuring wallet-based sign-in, native Web3 integrations, and spam filtering for NFT communities, which announced a $3.1 million seed round in connection with that effort.

Kartik is active as an angel investor with a focus on pre-seed and seed stages in the Web3 and blockchain space. His current work centers on Families Fund, where he makes first-check, pre-seed investments in companies building toward making the United States a better place to start and raise a family. Kartik's account has published 12,040 posts and has been mentioned by 13 accounts a total of 21 times, with 6,631 followers as of September 2026 on the platform.

Who follows Kartik on X?

The accounts that follow Kartik include 268 founders, 61 angel investors, 53 influencers and 4 VCs. Notable followers include Marc Andreessen, Alex Svanevik, Garry Tan, Ryan Selkis, Jesse Powell and Tommy.