Tallgrass Energy LP promoted COO William Moler to president, effective immediately.

Moler will continue to serve as COO of Tallgrass, while David Dehaemers Jr., who currently serves as president, will remain CEO, according to a March 18 news release.

Tallgrass operates across 11 states with transportation, gathering and other midstream assets serving crude oil and natural gas basins in the U.S.