Barentz welcomed Brad Finkelstein to its expanding Synthesis Solutions sales team as an Account Manager. 

Chemical distributor Sea-Land Chemical Co. announced the addition of two inside sales representatives.

Axalta Coating Systems announced that Keith Silverman, Ph.D., is joining Axalta as Senior Vice President & Chief Operations and Supply Chain Officer.

Huntsman Corp. recently announced that it has appointed David B. Sewell to its board of directors. 

Paul N. Gardner Co. (GARDCO) in conjunction with BYK-Gardner USA announced the addition of Matthew Fajt as Business Line Manager for Physical Test Equipment. 

Gelest Inc. has named Dr. Jonathan Goff as President of Gelest effective immediately.

SI Group announced the appointment of Rustom Jilla as its Senior Vice President and Chief Financial Officer, effective immediately. 

PPG recently announced the appointment of Tim Knavish, Executive Vice President, as Chief Operating Officer, effective March 1, 2022.

Michelman announced that it is implementing certain executive leadership changes that will become effective Jan. 1, 2022. 

FLEXcon Co. Inc., an innovator in adhesive coating and laminating, recently announced that Lavon Winkler will retire as President and CEO effective Jan. 30, 2022.