Since joining the firm in 1995, he has been involved with the design and construction of innovative enclosure systems throughout North America and Asia and has worked with architects such as Richard Meier, Christian de Portzamparc, and Renzo Piano. His areas of expertise include complex fa�ade geometry, structural glass design, blast mitigation, and on-site inspection and testing. Mr. Pachuta is an Adjunct Associate Professor of Architecture at Columbia University and teaches courses in building technology.