2025 Mensa Annual Gathering Magic. The next regional gathering for our area is. The american mensa annual gathering in 2025 will be in chicago, illinois, and will be held at the hilton chicago overlooking grant park, lake michigan, and museum campus.

Send me a message if you. This special wednesday evening engagement marks a departure from mensa’s typical friday or saturday gala dinner, giving jennings a prime spot to set the tone for the entire week of the annual gathering.