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ConvergeOne Headquarters
3344 Highway 149
Eagan, MN 55121
Phone 1 888 321 6227

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JOHN A. MCKENNA JR., President and Chief Executive Officer, and Chairman of the Board


John has led ConvergeOne since 2008 through a number of acquisitions and substantial growth. Previously, he served 8 years as CEO of Siemens IT Solutions and Services, CEO of ENTEX Information Services and Sr. EVP at JWP Inc. He got his start at IBM, where he rose to oversee one of the largest branch operations in New York City.

JEFFREY E. NACHBOR, Chief Financial Officer


Jeffrey manages all aspects of our financial planning, assessment and reporting. He previously served at Leap Wireless and at H&R Block. A certified public accountant, Jeffery holds a bachelor’s in accounting from Old Dominion and an MBA from the University of Kansas.

JOHN F. LYONS , President, Field Organization


John has more than 25 years experience in the technology industry and has an extensive knowledge of both products and services, including managed services, and consulting. Beginning his career at IBM John has also been a Senior VP at Siemens, CEO of and V.P. of Corporate development at ConvergeOne.

PAUL K. MAIER, President, Services Organization


Paul has more than 25 years of experience in the technology industry, including work at Siemens and AT&T/Lucent. He holds an MBA from Fairleigh Dickinson and completed an executive program at INSEAD in France.

COLLEEN HABERMAN, Vice President, Human Resources


Colleen brings more than 25 years of experience in human resources to her role. She previously held executive roles at Univita Health Inc., BioScrip, Express Scripts and Prudential Home Mortgage (now Wells Fargo Home Mortgage). Colleen holds a bachelor of arts degree from the University of Minnesota.

MARK LANGANKI, Chief Technology Officer


As CTO, Mark spearheads our innovations in technology solutions and services. He spent 25 years as the Chief Operating Officer at Spanlink Communications, which we brought on board in 2014. A graduate of the University of Minnesota, Mark has been an instructor there since 1996 and in 2014 assumed the role of Associate Program Director.

SCOTT CLARK, Vice President, Marketing


As Vice President, Marketing, Scott is responsible for developing a strategic marketing and communication plan that promotes the growth of our business. Scott has more than 20 years of sales, marketing and technical leadership experience, most recently as Software CTO and Sales Leader with Brocade Communications. He has held leadership positions with several organizations including Microsoft, Iron Mountain, and Optiv/Accuvant.