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John Maconi served as CEO of Greystone Inc for more than ten years prior to retiring on May 1, 2019. John led Greystone's entrance into US government defense work involving machining, electroplating and plastic molding for 40 mm training grenades. Further he was instrumental in expanding Greystone's expansion to China with a Joint Venture with Chinese company IPE, for manufacturing and electroplating fuel injector components for the Chinese market. Under John's leadership Greystone was consistently profitable and growing sales from $30 million/year to $70 million/year.

Dave Lippy - Co-owner Greystone Corporation