John became CEO of Jamison Door Company in 2000 as the company, founded in 1906, faced an existential crisis.  By building a team of people and adding major product lines. the company has flourished, more than tripling in size. He began his career as an auditor with Ernst & Ernst in San Antonio and then left to join Harte-Hanks, then an NYSE  national media company. He was Treasurer and then went into operations as a publisher and group president of several newspapers. In 1991 he became President/CEO of Gray Communications (now Gray Television) leading them from the pink sheets to the NYSE. Gray owned newspapers and TV stations and a variety of other businesses. After moving to Panama City, FL, in 1996 to retire and decompress, his son-in-law summoned him to quit playing so much golf and come lead Jamison back to life so he and his wife moved to Baltimore. He currently serves on the board of the University of Maryland Medical System, the Maryland Chamber of Commerce and the National Association of Manufacturers..