AURORA, Ill.--(BUSINESS WIRE)--Westell Technologies, Inc. (NASDAQ: WSTL), a leading provider of in-building wireless, intelligent site management, cell site optimization, and outside plant solutions, announces the appointment of J. Thomas Gruenwald as the Company’s Lead Independent Director, effective December 15, 2014. Mr. Gruenwald, an existing member of the Board of Directors since October 2013, also serves as Chairman of the Compensation Committee. About Westell Technologies Westell Technol