The portfolio
Christian Jack owns 1 paid Skool group indexed in the public Skool directory. Combined estimated MRR: $2.84M. Total paying members across the portfolio: 290.
Flagship
"The Sales Dojo" is the biggest piece, generating roughly $2.84M/mo from 290 paying members. It sits in the sales & closing niche.
See The Sales Dojo on tools4skool →Outperforming the niche
Average MRR among the top 0 sales & closing Skool communities is $0. The Sales Dojo is doing Infinity% of that average — well ahead of the pack.
Why it matters
Multi-community operators like Christian Jack are the quiet whales of Skool — most attention goes to the single-community stars, but portfolio builders compound faster. The 14-day Skool affiliate cookie means anyone who clicks through tools4skool.com can become part of the next owner's growth.