Ron Cimminohas joined ADCO Products Inc., Michigan Center, MI, as National Sales manager for the Assembly, Construction & Distribution market. Cimmino previously served in senior positions for Reichhold, Ashland Chemical and Henkel Corp.

Sartomer Co., Exton, PA, has namedDr. Luigi Colantuonias president, replacing Nicholas Trainer, who retired after 37 years with the company. Colantuoni will be responsible for general management of Sartomer. He also assumes responsibility for growing the hydrocarbon resins business in North and South America, with sales of $130 million in 2006.

Westech Aerosol Corp., Seattle, WA, has appointedKevin Davenportto the position of Regional Sales Representative for the Northeast Region. Davenport will be responsible for introducing new products as well as maintaining key client relationships.

Rockwood Holdings Inc., Princeton, NJ, has announced thatDr. Monika Engel-Baderhas been appointed to the position of president of Chemetall GmbH and related businesses. In this position, Engel-Bader will have full responsibility for Rockwood’s global specialty chemicals segment, consisting of surface treatment, lithium/fine chemicals, special metals and metal sulfides.

ADCO Global, Chicago, IL, has namedJohn Knoxas its president and CEO. Knox previously served as president and COO of Sovereign Specialty Chemicals until its sale to Henkel Corp. in December 2004, and he has more than 20 years of experience in the specialty chemicals industry, with a specific focus on the adhesives and sealants segment.