LONDON & MCLEAN, Va.–(BUSINESS WIRE)–Garrison Technology today announced that David Wallick, a renowned federal government Cross Domain Solutions (CDS) expert, has joined the company’s U.S. team. He will serve as a subject matter expert on all technical aspects of Garrison’s unique and innovative ultra-secure solutions and their deployment, providing pre-sales support for the commercial and government markets in North America. Prior to joining Garrison, he served as the Cross Domain Lead for