Meet the team

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!


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

Paul Regolizio
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.
Rich Grozalis
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 of experience in the communications and technology industry and holds a Bachelor’s degree in Business Administration from Glassboro State in New Jersey.
Melissa Bardello
Marketing Manager
Melissa Bardello joined DNI in 2015 as the Sales and Marketing Administrator. In 2020, Melissa became the Marketing Manager to help expand the company and develop a broadened customer base. With a comprehensive background in customer service, business management, and marketing Melissa works to effectively identify and engage all potential customers. Melissa graduated cum laude from Ramapo College of New Jersey with a B.S. in Business Administration and Marketing.  

Chris Rudeau
Warehouse Manager
Chris Rudeau joined DNI in 2013 as the Warehouse Manager. Chris focuses on ensuring that all shipments are accurate and of the highest quality. In addition to keeping the warehouse running at its highest efficiency, Chris oversees that all merchandise is fully functioning and operational in order to deliver superior products to our customers. Chris holds various certifications including A-Plus, Cisco Testing and Configuration, and Computer Science Networking Security.

Sarah DiFalco
Sales Administration Specialist
Sarah DiFalco became part of DNI in 2019 as an Assistant Sales Administrator. Sarah joined our team with a background as an Operations Coordinator, bringing a diverse set of skills that range from communications to customer service.  She works closely with both the sales and warehouse teams to ensure customer satisfaction and timeliness of sales and logistics.