Lockton names US COO

Lockton Cos. LLC on Thursday named Nick Serrault chief operating officer for its U.S. operations.

Mr. Serrault reports to Tim Ryan, Lockton’s U.S. president. Said Taiym, who previously was U.S. COO, has left the company.

Dallas-based Mr. Serrault most recently was COO of Lockton Dunning, the employment benefits consulting unit of Lockton. Mark Kuonen will succeed Mr. Serrault in that role, Lockton said.

Mr. Kuonen, based in Dallas, most recently was executive vice president and core health and welfare practice leader at Lockton Dunning Benefits.

He will oversee operations and business development for the region, including Dallas, Plano, Houston, Fort Worth, San Antonio and Austin, Texas and New Orleans and Baton Rouge, Louisiana.