Dr. Tracey Jacksier is an International Senior Expert and the Global Specialty Gas Product Director at the Delaware Innovation Campus of Air Liquide. She holds a B.S from Purdue University and a Ph.D. in Physical Chemistry from the University of Massachusetts. Tracey’s areas of expertise include the development and application of reactive mixtures and stable isotopes for monitoring and quantification of impurities in environmental and mobile source monitoring, air quality, process analysis, alternative energies and food authentication. She has authored or co-authored more than 200 articles, book chapters and technical presentations and holds more than 20 patents. She has served on the advisory boards of Princeton University Engineering Research Center on Mid-InfraRed Technologies, and Northwestern University Institute for Nanotechnology as well as a member of the Mobile Sources Technical Review Subcommittee of the US EPA’s Clean Air Act Advisory Committee.