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John Prinner is the Chief Financial Officer at Granite, a position they have held since November 2017.

Prior to joining Granite, John served as the Chief Financial Officer at keyme from June 2016 to November 2017. Before that, they were the Chief Financial Officer at crn from May 2015 to May 2016.

John has also served as President and Chief Executive Officer at vivaro corporation from July 2007 to July 2010, and as Chief Financial Officer at data intensity from July 2012 to November 2013. John was also Principal and Owner at jpk associates from September 2010 to May 2014.

Conversent communications from January 2006 to December 2006, and utilicom networks from October 2000 to December 2005.

John began their career in 1985 as a Senior Manager in Financial Advisory Services at pwc. John then became Vice President of Wireless Operations at snet wireless in 1995 and held that position until 1999. From 1999 to 2000, John worked at various wireless and broadband startups before becoming the Chief Executive Officer at utilicom networks in 2000.

John Prinner received a bachelors degree from the University of Connecticut School of Business. John then went on to earn their bachelor of science from the same school.

John Prinner works with Sana Sheikh - Deputy General Counsel & VP, Tranformation & Strategic Affairs, Christopher Chapin - SVP, IT & CIO, and Rand Currier - COO. John Prinner reports to Rob Hale, President & CEO.