Meredith Whittaker (@mer__edith) — Twitter Score 143 out of 1000

Meredith Whittaker is a privacy and encryption advocate who serves as President of Signal Foundation, the nonprofit organization behind the encrypted messaging app Signal. Meredith Whittaker's Twitter Score is 143 out of 1000 (an Excellent rating) as of October 2026, ranking #4,122 (top 1%) among 498,181 tracked accounts.

Meredith Whittaker became President of Signal Foundation in September 2022, having previously served as a senior advisor on artificial intelligence to the chair of the Federal Trade Commission. She also formerly worked at Google. Meredith Whittaker co-founded the AI Now Institute alongside Kate Crawford in 2017, a research body that studies the social implications of artificial intelligence. She also co-founded M-Lab, a measurement platform focused on internet performance.

Meredith Whittaker's connection to the crypto space runs through Signal Foundation's integration of MobileCoin, a privacy-focused cryptocurrency, as a payments feature within the Signal app. Signal announced the MobileCoin payments feature in 2021, before Whittaker assumed the presidency, and later rolled it out globally as a beta feature. Signal has continued beta-testing MobileCoin transactions while remaining cautious, particularly following the FTX collapse. Meredith Whittaker has 121,248 followers as of October 2026 and has made 13,045 posts on the platform. She has been mentioned by 146 accounts, with 282 total mentions.

Who follows Meredith Whittaker on X?

The accounts that follow Meredith Whittaker include 631 founders, 124 angel investors, 183 influencers and 2 VCs. Among her notable followers are 6529, David Hoffman, Jesse Powell, Frank Chaparro, Tarun Chitra and Raj.