Katherine Boyle (@KTmBoyle) — Twitter Score 289 out of 1000

Katherine Boyle is a general partner at Andreessen Horowitz who co-founded the firm's American Dynamism practice focused on investing in companies that advance national interests. Katherine Boyle's Twitter Score is 289 out of 1000 (an Excellent rating) as of August 2026, ranking #1,160 (top 0.5%) among 483,944 tracked accounts.

Katherine Boyle co-founded the American Dynamism practice at Andreessen Horowitz alongside David Ulevitch. In May 2023, the firm announced a $500 million commitment toward early-stage companies building for American Dynamism. In April 2024, Andreessen Horowitz announced it had raised $7.2 billion across venture strategies, with American Dynamism accounting for $600 million of that total.

Katherine Boyle previously worked at General Catalyst as a partner, where she co-led the firm's seed practice and invested in inception rounds of defense technology companies including Anduril Industries and Vannevar Labs. Before that, she previously worked at The Washington Post as a general assignment reporter. Her board affiliations include Apex Space, Hadrian Automation, The Free Press, and the Mercatus Center at George Mason University, with board observer roles at Saronic Technologies and Castelion.

Katherine Boyle has published 8,337 posts on the platform and has been mentioned by 206 accounts a total of 456 times, reflecting consistent engagement across the venture and defense technology communities.

Who follows Katherine Boyle on X?

The accounts that follow Katherine Boyle include 1,141 founders, 317 angel investors, 225 influencers and 30 VCs, among them Balaji, Chris Dixon, Marc Andreessen, Nikita Bier, Toly and Elon Musk.