Colfax Corporation , a leading global manufacturer of gas and fluid-handling and fabrication technology products and services, today announced that Matthew L. Trerotola, formerly an Executive Vice President at DuPont, has been named Chief Executive Officer and a Director of Colfax, effective July 24, 2015. He succeeds Steven E. Simms, who will assist in the transition and will continue to serve on the Colfax Board.