Included in this week’s Business Briefs roundup, Ken Meador, who kindled the National Association of Tower Erectors’ trade show’s explosive growth, is retiring; Telforce Group has picked up Paul Barone to head its Dallas office; Mark Nellis joins B+T group as its controller; Christopher Felder joins the ranks of Maser Consulting; and Mitch Bateman will be leading obstruction lighting manufacturer Flash …