Its members consist mostly of professional poker players and financial investors who pledge to donate a percentage of their income to selected charities.

[5] Recipients included Against Malaria Foundation, the Machine Intelligence Research Institute (MIRI), the Center for Applied Rationality (CFAR), GiveDirectly, GiveWell, Schistosomiasis Control Initiative, The Humane League, Mercy For Animals, the Great Ape Project, and the Nonhuman Rights Project.

[6] REG members wear patches with the name of the organization at poker tournaments, to advertise their commitment to donate their winnings.

[2][7] Two REG members, Martin Jacobson and Jorryt van Hoof, were among the November Nine that played at the 2014 World Series of Poker Main Event final table.

[8] Jacobson placed first, earning him the title of poker world champion and winning $10,000,000, of which $250,000 was subsequently donated through REG.