Marco Greenberg was founder of the PR firm NYPR which ceased to operate in late 2002.
According to O'Dwyer's PR Daily, Greenberg established the company after working as a manager for Burson-Marsteller corporate practice, "where he handled aerospace giant TRW and the Gov’t of Israel Economic Mission".
- Darren Garnick, "If Only the Ministers Would Come", The Jerusalem Report, June 19, 2001.
- "NYPR to close Aug 15", O'Dwyer's PR Daily, July 31, 2002.
- Haim Handwerker, "'The Ambassador' - for real: Israeli diplomats and government officials come to New York for some tough training on how to deal with American media", December 21, 2004.