Gary Karr will join the Medical Technology Association (AdvaMed) as executive vice president for public affairs.
Michael Glassner has been named senior vice president of G.R. Seppala & Associates and president of its government affairs division. Glassner had been senior vice president for external affairs at IDT Corp.
John Engler is leaving the National Association of Manufacturers to become the president of the Business Roundtable.
Jay Timmons has been named president and CEO of the National Association of Manufacturers (NAM).
Marty Russo, chief executive at Cassidy & Associates, took a buyout Wednesday amid a staff shakeup at the lobbying firm.