Robert Cha is a registered architect based in the United States. He trained at Princeton University and earned Master of Architecture degree while receiving a fellowship award. In addition, he holds Bachelor of Architecture degree with the Best Thesis award from the Southern California Institute of Architecture. He started architectural education at Orange Coast College.

He exhibited at the 11th Venice Architecture Biennale. His projects have been published in books and journals including Spots in Shots by Melanie van der Hoorn, NAi Boekverkopers, 2019; in Urban Transformation by Ilka Ruby & Andreas Ruby, Ruby Press, 2008; and on the cover of Princeton University School of Architecture's biannual newspaper Rumor, 2010.

Previously, he worked for: Wes Jones; Stan Allen; Jesse Reiser and Nanako Umemoto; Eric Owen Moss; Craig Hodgetts and Ming Fung; Hernan Diaz Alonso. In addition to conceptual projects, he worked on built projects from schematic design to construction administration.