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Greenbuild International Conference and Expo

September 26, 2023 - September 29, 2023

This year, Greenbuild’s theme highlights the decades-long legacy and unwavering commitment of the green building movement to transforming the built environment to serve, prepare and protect our communities in a rapidly changing world.

Kal Penn, Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement, is slated to take the Greenbuild stage on Wednesday, September 27th at 9 AM ET.

Dr. Ayana Elizabeth Johnson is a Marine Biologist, Policy Expert, Writer, and Brooklyn native taking the Greenbuild stage on Friday, September 29th, at 11am ET.


September 26, 2023
September 29, 2023


Walter E. Washington Convention Center
801 Mt Vernon Pl NW DC United States


Alex Coba

Communications Associate

As a proud California native from Stockton, Alex brings a wealth of experience and a versatile skill set. He has a solid communication background with a Bachelor of Arts in Journalism and Public Relations from California State University, Chico. Alex is adept at strategic communications and media relations, with experience gathering and sharing stories from his local communities that uplift the unique spirit and values of those places. He is excited to join Build It Green, where he can apply his talents to further BIG’s mission to help communities across California thrive.