Frontier List

Surveying the frontier. Lists by@chrisbarber
ListIncludedPosted
Great SF event hostsOct 8, 2026Oct 8, 2026
AI lab tier listOct 6, 2026Oct 6, 2026
Insightful people in AI data and post-training, picked by people who've met themOct 5, 2026Oct 5, 2026
Neolabs with the highest talent densityOct 2, 2026Oct 2, 2026
Post-training as a serviceSep 30, 2026Sep 30, 2026
GPU providers for neolabsSep 29, 2026Sep 29, 2026
Robotics labs and startupsSep 24, 2026Sep 24, 2026
AI angelsSep 23, 2026Sep 23, 2026
O-1 immigration lawyersNot yet posted
Data companies for future foundersSep 22, 2026Sep 22, 2026
Breakout ListSep 16, 2026Sep 16, 2026
AI supply chain startupsAug 20, 2026Aug 20, 2026
AI data startupsAug 19, 2026Aug 19, 2026
Pavlov's List: Robotics dataAug 18, 2026Aug 18, 2026
Pavlov's List: RL envsJan 12, 2026Jan 12, 2026
Lists I posted on X in the past
Startups
Talent densityJul 10, 2026Jul 10, 2026
Startups that grew >50x since 22Jul 1, 2026Jul 1, 2026
RoboticsJan 21, 2026Jan 21, 2026
NeolabsJan 16, 2026Jan 16, 2026
Startups for researchers and engineersAug 19, 2025Aug 19, 2025
Computer-use startupsAug 18, 2025Aug 18, 2025
People
AI + bio Twitter accountsJun 25, 2026Jun 25, 2026
Ex-founders at AI labsAug 21, 2025Aug 21, 2025
Investors
Investors with 2+ 50x'sJul 14, 2026Jul 14, 2026
AI lab angelsSep 10, 2025Sep 10, 2025
Markets
Public equity subsectorsJul 13, 2026
HHBM/DRAMAPAdvanced packagingWWFEOOpticsPPowerNNetworking
Jul 13, 2026
AI equity newslettersJun 26, 2026Jun 26, 2026
AI supply chain Twitter accountsJun 1, 2026Jun 1, 2026
Careers
AI era career adviceDec 11, 2025Dec 11, 2025