Wireless Ronin taps Toptech's Granger CEO

Wireless Ronin taps Toptech's Granger CEO Wireless Ronin Technologies Inc., a Minnetonka provider of digital sign software, on Thursday named Jim Granger president and chief executive officer. He succeeds Stephen Birke, who had been interim president and CEO since September. Granger was most recently president of Toptech Systems Inc., and before that he was CEO of Norstan Inc., a telecommunications equipment firm in Minnetonka that was sold to a Pennsylvania company in 2005 for $95 million.