Greystone opens East Coast office

FORT COLLINS — Information-technology services provider Greystone Technology Group Inc., with offices in Fort Collins, Boulder and Denver, has added an industry security veteran to its team and has expanded to the New York City metro area. 

Matthew Hahn has joined Greystone as senior director of security as Greystone opened a new service office in West Orange, New Jersey. Hahn has more than 20 years of IT-industry leadership experience and is a certified information systems security professional. He will lead Greystone’s client security services and internal security governance. 

“I’m a longtime fan of Greystone’s innovative approach…