Dow Chemical has announced that Rich Wells, vice president, global government affairs and public policy has been named vice president and site director of Michigan Operations. He replaces Earl Shipp who has been named vice president and site director for Texas Operations. He will join the manufacturing & engineering operating committee.

Separately, Gary Hockstra, vice president and site director of Dow Texas Operations in Freeport, has been named vice president of manufacturing, engineering and EH&S for the Dow Advanced Materials Division.