Henri IrrthumHenri Irrthum is vice president and chief procurement officer at DuPont.From the AuthorSourcing & ProcurementAn Interview with Henri Irrthum: The Science of SourcingKnow thyself ... and know thy technology. Henri Irrthum, vice president and chief procurement officer at DuPont, offers sage advice for companies that are surveying their options for supply management technology.Page 1 of 1