Essay
Brett Calhoun on why founders and operators must move quickly when a hire or co-founder isn't performing.
Fire Fast or Pay the Price
JUL 2, 2026
Every public signal F4 has attached to this firm, with sources and cross-entity links.
Fire Fast or Pay the Price
Dao
The Residency
High Degree
Resolv
Splink
Open Door Pre-Seed Investors in the US for First-Time and Nontraditional Founders in 2026
Saferide
Redbud VC Fund II ($25M)
Bolster
Migrate Mate
Best Pre-Seed Investors in the US for First-Time and Non-Traditional Founders
Raising a VC Fund in 2026
Fund II