John Callahan
John Callahan
Vice President, Finance
Callahan was named vice president, finance in December 2019. Prior to joining Praxair Surface Technologies, he worked for Thermo Fisher Scientific, where he held a variety of business and finance positions including his most recent role as senior director for the BioSciences division. Prior to Thermo Fisher Scientific, he worked at companies such as Furniture Brands International, Ortronics/Legrand, and Ford Motor Company. He has a Bachelor of Science in biochemistry from New Mexico State University and a Master of Science in management (MBA) in finance and marketing from Purdue University.