Warren Buffett

Longtime Dow Chemical chief Andrew Liveris to depart

The longtime chief executive of Dow Chemical, who led the company through the financial crisis, a merger with rival DuPont and the planned disassembly of the entire enterprise, is stepping down.

Andrew Liveris announced two years ago he'd retire by mid-2017, but that was delayed until the company named a successor to head its materials-science division, one of three companies that DowDupont will divide itself into.

DowDupont Inc. said Monday that Liveris, 63, will give up his executive chairmanship in April, and his role as director in July, when he officially retires.

Jeff Fettig, a longtime independent director, will become executive chairman. Jim Fitterling will...