Bo Hjelt started his business career in the 1960s, when he held various qualified positions in Svenska Metallverken, a significant Swedish corporation within the non-ferrous metals industry, that later became part of the global Electrolux Group. After a year in Japan, Bo Hjelt returned to Europe as Sales and Marketing Director, Europe, and later as CEO, he lived in France, Germany and Belgium.
In 1973, Bo Hjelt founded the M&A industrial advisory company Corporate Development International (CDI) now CDI Global which has 46 offices in 32 countries worldwide. He is Honorary Chairman of CDI Global.
In 2019 he was made Doctor Honoris Causa at the Faculty of Medicine at Lund University. The doctoral conferment ceremony was held in Lund on May 24, 2019.