Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors Joe Maffei, S.E., PhD Joe Maffei, S.E., PhD, is the founder of Maffei Structural Engineering, with offices in San Francisco and Oakland, California. Over his 35-year career, he has directed a range of projects, including designs using innovative solutions and advanced methods of evaluation. Joe has helped lead the structural engineering profession in developing standards for performance-based design, nonlinear analysis, high-rise design, seismic retrofitting, and solar-energy structures. He has contributed to building codes and structural guidelines for the American Society of Civil Engineers (ASCE), the American Concrete Institute (ACI), and other organizations.