Meet the team

Who We Are?

Data Networks International, LLC specializes in Used, De-installed, Refurbished, Surplus, Pre-owned Network Equipment. We BUY SELL SERVICE and APPRAISE Routers, Switches, Security Appliances and other Data Networking hardware from manufacturers such as Cisco, Juniper Networks, HP, Avaya, Alcatel/Lucent, ATEN, Sun/Oracle, CyberPower, Adtran and more.  With over a decade servicing, enterprise customers, major carriers, service providers, IT consultants and resellers around the globe, DNI is a TRUSTED leader in the pre-owned network hardware business.  Contact our Experienced, Knowledgeable, and TRUSTED team members  and CISCO PRODUCT EXPERTS who have been BUYING and SELLING network gear since 1992!

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Our Mission

Our Mission is to become your Data Network’s lifecycle asset management partner.

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Paul Regolizio
Co-Founder
Paul Regolizio is Co-Founder and CEO of Data Networks International, a globally trusted source for New and Used Network Equipment. Under Paul’s leadership, DNI has grown into a multimillion dollar thriving company with better than 100% year over year growth since 2010. With over 20 years in the Biz, Paul’s extensive knowledge and experience buying and selling refurbished Cisco Systems hardware set the foundation on which DNI was able to build and grow. Mr. Regolizio holds a B.S. in Finance from St. Johns University and has held various Sales and Management positions throughout his professional career.
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Rich Grozalis
Co-Founder
Rich Grozalis is Co-Founder and President of Data Networks International. In this capacity, he is responsible for managing the overall operations and strategic direction and business development of the company. Mr. Grozalis has over 15 years experience in the communications and technology industry, and holds a Bachelor degree in Business Administration from Glassboro State in New Jersey.
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John Shaw
Account Executive
John Shaw is an Sales Executive at Data Networks International. John started with DNI-LLC in October 2012—bringing with him over 20 years of technical sales experience. John focuses on the end user market for Fortune 100-500 companies and specializes in Cisco System solutions and High-End Broadband Electronic Equipment, but also has a vast amount of experience with many other leading manufacturers including HP, Juniper and Adtran to name a few.

 

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Ron Biederman
Director of Business Development
Ron Biederman is a Director of Business Development who joined the Data Networks Team in 2014. Ron has worked in various aspects of technology and finance. Dynamic and accomplished 15 year sales career; tenacious, aggressive and professional with a track record in highly competitive industries and challenging economies. Ron is driven, results oriented, polished and passionate about his business; with a win-win approach to business dealings engenders trust and confidence with his customers, business partners and teammates. Ron has a Degree in Liberal Arts from Centenary College.

 

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Melissa Winkler
Sales Administrator
Melissa Winkler joined DNI in 2015 as the Sales and Marketing Administrator. With a comprehensive background in customer service and business management, Melissa works closely with the team to ensure customer satisfaction and timeliness of logistics. Melissa graduated cum laude from Ramapo College of New Jersey with a B.S. in Business Administration and Marketing.