NASHVILLE, Tenn.--(BUSINESS WIRE)--Pinnacle Financial Partners, Inc. (Nasdaq/NGS: PNFP) announced today that Bill Hagerty, co-founder and managing director of private equity investment firm Hagerty Peterson & Company, has been elected to its board of directors. He joins 13 other prominent business and community leaders on Pinnacle’s board. “Bill has a breadth of corporate and government service experience and has made exemplary contributions to numerous boards in the private and political s