Pierre Breber, 54, has been named vice president (VP) and CFO of Chevron Corp. effective April 1, replacing Patricia Yarrington who is retiring after 38 years with the company. Breber joined Chevron in 1989 and became VP and treasurer in 2009, VP of Gas & Midstream in 2014, executive VP (EVP) of Gas & Midstream in 2015 and EVP of Downstream and Chemicals, his current position, in 2016. In related promotions, VP Mark Nelson, who runs Midstream, Strategy & Planning, will succeed Breber as EVP, Downstream and Chemicals. Colin Parfitt, president of Supply & Trading, will become VP of Midstream. Nelson and Parfitt are to assume their new roles on March 1.