Before joining U. T. Dallas in the Fall of 2003, Dr. Yang was in charge of leading Nano-Bio Business Development at the Samsung Advanced Institute of Technology (SAIT) as an Executive Vice President. SAIT is the Central R&D organization in Samsung Electronics. For 1997-99, he was the Head of Chemical Sector and Vice President at the Institute, and in February, 2000, he was promoted to an Executive Vice President in covering bio/chemical fields as CRO besides managing the Chemical Sector. Prior to Samsung, while employed at DuPont Company, he held various positions as a researcher, group leader, project/marketing manager at DuPont-U.S.A for 1978-95 and as Managing Director at DuPont-Korea for 1995-97. While at Dupont, he received various experiences through working in the several positions in R&D, manufacturing, supply chain, project/product management and sales/marketing at Polymer Intermediates Dept., Finishes/Fabricated Products Dept., Automotive Products SBU and Electronics Materials SBU. He was an adjunct professor at the Center for Surface Science and Engineering at University of Missouri at Columbia for 1989-93. He was also a founding member of Delaware Korean School and served as Managing Principle for 1993-5.