News/Wash100 Jim Garrettson, CEO of Executive Mosaic, Presents Dawne Hickton, COO & President of ATN for Jacobs, Her First Wash100 Award Jim Garrettson, founder and CEO of Executive Mosaic, presented Dawne Hickton, chief operating officer and president of Jacobs’ Aerospace, Technology and Nuclear (ATN) business, with her first Wash100 Award on Wednesday. More by William McCormick February 3, 2020