Brenntag North America has promoted Lance Kitzelman to CASE Specialties Marketing Director.

Emerald Specialty Polymers LLC has appointed Sara Farling Director of its Specialty Nitrile Polymers product line.

Acme-Hardesty Co. has named Jeremy Day Southeastern Regional Sales Manager.

MetoKote Corp. Inc. has hired Roger Cook.

I-lin Cheng will serve on Reactive NanoTechnologies Inc.’s Board of Advisors.

Urethane Polymers Int. has hired Brandon Carpenter.

Dennis L. Wanlass has been appointed to the Tronox Inc. Board of Directors.

Cray Valley has named Tom Voltz Plant Manager of the company’s Beaumont, TX, manufacturing facility.

James (Jim) A. Shepherd and Phil Shannon have been elected to the Bulab Holdings, Inc. Board of Directors for 2008-2009.

Thomas G. Rudeau has been named Vice President and Regional Sales Manager for E.W. Kaufmann.