Chan joined the firm in the 1980s after graduation from Harvard University and now he collaborates with Frank Gehry to provide design leadership for various projects including numerous museum commissions. Chan was the project designer for the Guggenheim Museum Bilbao, Bilbao, Spain; the Frederick R. Weisman Art Museum, University of Minnesota; the Guggenheim Museum Lower Manhattan Project, N.Y.; and the Corcoran Gallery of Art, Washington, D.C. He was a project team member for Vitra International Furniture Manufacturing Facility and Design Museum, Weil am Rhein, Germany, and other commissions before becoming a partner in the firm.