Stephen Cressionnie has 17 years of experience in building automation systems (BAS) integration, programming, and commissioning for large-scale projects in military, medical, institutional, pharmaceutical, and commercial environments. A Certified Building Commissioning Professional, he holds multiple industry certifications in BAS integration and programming. His expertise includes leading multidisciplinary teams through project planning, design, installation, start-up, commissioning, and turnover. He specializes in control strategy optimization, fault detection data analytics, graphical user interface development, networking, and systems integration.