Jim Coogan, P.E., is a Principal in product development at Siemens Building Technologies. In 35 years designing controls for mechanical systems, he has contributed to products ranging from room controllers to Internet-based interfaces. This work resulted in numerous patents. Jim has chaired several ASHRAE committees and is a member of the committee currently revising the Z9.5 Laboratory Ventilation standard. He participates in programs with the International Institute for Sustainable Labs, and his publications include technical papers on room pressurization and laboratory ventilation. Jim earned his SB in mechanical engineering at MIT.