SEPTEMBER 15-17 | LAS VEGAS, NEVADA 50TH ANNIVERSARY CELEBRATION Join us in celebrating our rich history and success, and the bright future of our field. The celebration will include live music, dancing, food and beverages. 2015 KEYNOTE SPEAKER Gil Penalosa is passionate about cities for all people. Gil advises decision-makers and communities on how to create vibrant cities and healthy communities for everyone regardless of social, economic or ethnic background.