The Chairman's Circle is a special group of members who have committed to support the Altadena Chamber of commerce through sponsorships. These donors have stepped up to become elite leaders of the Altadena Chamber of Commerce business community and be a part of the Chairman's Circle. The Altadena Chamber of Commerce appreciates and acknowledges the generosity of our member investors, who support our efforts and make it possible to serve as the voice of businesses in Altadena