Location New York, New York, United States Regions Greater New York Area, East Coast, Northeastern US Gender Male
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As Sonus CFO, Mark T. Greenquist brings more than 30 years of experience to Sonus, including extensive operational and financial experience with global publicly- and privately-held companies. Greenquist was most recently CFO for Siemens Enterprise Communications Limited (recently rebranded to Unify), a global communications and software company
with $2 billion in revenue and 10,000 employees. From 2007 until its acquisition by Ericsson in 2012, Greenquist served as President and CEO at Telcordia Technologies, Inc., a global leader in the development of mobile, broadband and enterprise software and services with $750 million in revenue and 2,600 employees. Greenquist also served as Senior Vice President and CFO at Telcordia Technologies, Inc. from 2005 to 2007 prior to his promotion to CEO.
Mark brings additional financial leadership experience from companies including Symbol Technologies Inc. and Agere Systems Inc. where he served as CFO as well as Delta Airlines Inc., Saab Automobile AB, GM Corporation and General Motors where he held a variety of financial leadership positions.
Mark earned his M.B.A. from Columbia University Graduate School of Business (Beta Gamma Sigma) and a B.A. in Economics from Dartmouth College (Magna Cum Laude).
