July 10, 2007
Air Liquide USA LLC, Houston, has named Michael J. Graff as president and CEO and as a director of U.S. subsidiary businesses.
Graff leads the company's industrial gas operations and business activities. He has a master's degree in chemical engineering from Purdue and a bachelor's degree from the Illinois Institute of Technology.
Graff studied business at the University of Chicago and completed executive management programs at the University of Pennsylvania Wharton School, University of Cambridge, and Stanford University Law School.