Celanese Corp. recently announced it has appointed Ashish K. Kulkarni, Ph.D., as chief technology and innovation officer.

Sika Corp.’s Industry Business unit recently announced that Thomas LaBelle has assumed responsibility for the management of Sika’s Fenestration, Facades and Insulating Glass (FFI) market segment.

The Gorman-Rupp Co. recently announced that its wholly owned subsidiary, National Pump Co., has reached an agreement in principle to purchase the business of American Turbine Pump Companies (ATP).

AkzoNobel recently announced an expanded joint venture agreement with the Yusuf Bin Ahmed Kanoo group of companies.

Exxon Mobil Corp. recently announced that Donald D. Humphreys, senior vice president and principal financial officer, has announced plans to retire on February 1, 2013.

NETZSCH Group recently announced that Otto Max Schaefer, Ph.D., has resigned as chairman of Erich NETZSCH GmbH & Co. Holding KG, as of December 31.

Sika Corp.’s Industry Products Division recently announced the appointment of new personnel in the Transportation A&C Business Unit.

Hockmeyer recently announced it has added Jim Cunningham to its sales team.

Premier Industrial Supply recently announced the decision to relocate and construct a new facility in Massillon, Ohio.

The Supervisory Board of AkzoNobel recently announced that Ton Büchner will resume his duties as CEO on December 7, following a full recovery.