ATLANTA – Huber Engineered Materials (HEM), a division of J.M. Huber Corp., announced that Andy Trott, the division’s President, has retired. Chuck Herak has been selected to succeed Trott as the next President of HEM, effective January 1, 2015.  Herak is currently Vice President & General Manager of HEM’s Silica business. Prior to joining Huber in 2009, Herak was with Hercules (now Ashland) in positions of increasing responsibility including the role of General Manager – Coatings Additives.

With Herak’s promotion to HEM President, David Riley has been named Vice President & General Manager of HEM’s Silica business. Previously, Riley held the position of Vice President & General Manager of HEM’s Ground Calcium Carbonate (GCC) business. Riley held this role for four years and also worked in the Silica business as Director of Global Marketing from 2008 to 2010.

Huber has selected Matt O’Brien for the position of Vice President & General Manager of the GCC business. For the last nine years, O’Brien has been a key member of Huber Engineered Woods LLC, serving as Chief Financial Officer and most recently as Chief Commercial Officer with responsibility for sales, marketing and supply chain. O’Brien joined Huber in 2002 as Vice President of Corporate Strategy.