COO Alliance
Peer network and training for Chief Operating Officers; online masterminds and in‑person COO Connect events.

Best fit: COOs / second‑in‑command leaders
Price/dues: $10K/year
Region/country: Global (US‑based)
Type: Masterminds, 2 hours/month, facilitated
Size: ~600 members, fewer in masterminds
Year founded: 2016
Notes: Founded by Cameron Herold 1-800 Got Junk and EO-circuit favorite. Historic interview cites US$20k/yr for national and US$10k/yr for forums (indicative).
