Toyota Motor Corp. names several senior-level executives to new positions at its North American manufacturing operations, effective immediately.

Among the appointments is the promotion of Toyota Motor Mfg. Kentucky Inc. (TMMK) President Gary Clovis to chairman.

Clovis also will retain the title of Toyota Motor Engineering & Mfg. North America Inc. executive vice president, focusing on manufacturing operations, the auto maker says.

Former TMMK Executive Vice President Steven St. Angelo succeeds Clovis as TMMK president. Al Ackerman, former TMMK general manager-Powertrain, is promoted to vice president-Powertrain.

Bungo Hayashi, former Toyota project general manager-Production Engineering Planning, is named Toyota Motor Mfg. Canada Inc.’s vice president of the Woodstock, Ont., Canada, plant expansion.