Dennis Mazaris, President & CEO
Dennis Mazaris founded Concert Technologies in June of 1995. Mazaris saw well before his peers the need to overhaul and formalize through systems, processes and relationships the loose and fragmented model that typically characterized multi-site, technology rollout services. Mazaris' development of a comprehensive project and resource management capability has enabled Concert Technologies to rapidly and successfully deploy rapidly more than 200,000 infrastructure rollouts of voice, data, video and security networks across diverse nationwide and international environments.

Prior to Concert Technologies, Mazaris owned and managed an Information Technology Systems company for 10 years in the metropolitan Washington D.C. area. Mazaris has authored industry technical articles, white papers, videos for publications, and was recently selected by SmartCEO magazine for the 2011 Smart100 list as one of the top CEOs in the Greater Washington, DC area.

Andrew Crone, Vice President of Operations
Andrew Crone is the Vice President of Operations for Concert Technologies and has more than 11 years experience with Concert Technologies in leading and directing multi-site, multi-service rollouts of technology infrastructure deployments on a nationwide and global scale. He manages Concert Technologies Rollout Delivery Team accomplishing highly customized and accelerated technology deployments of infrastructure for government, commercial and international customers.

Crone oversees the operations of the Maestro Technology Rollout System– the carefully developed, comprehensive project and resource management capability that has enabled Concert Technologies to rapidly and successfully deploy hundreds of technology rollouts of voice, data, video and security networks every week.

Joshua Shaw, Vice President of Sales
Joshua Shaw brings 13 years of network and technology integration sales leadership to the Concert Technologies where he oversees the sales division that is designed to support numerous commercial, government and international customers with their technology field rollout solutions. As the Vice President of Sales for Concert Technologies, he manages a team of dedicated sales professionals to secure strategic partnerships and provide customized technology implementation solutions for customers.     

Previous to his work at Concert Technologies, Shaw served as Managing Partner for GMR Strategies (GMRS), an IP professional services firm where he initiated, built and managed all sales, marketing and operations. Prior to GMRS, Shaw served as VP of Sales for PartnerTEL, a professional technology services and expense management organization, where his responsibilities included executive sales leadership for direct and indirect sales channels. He has also gained operations and sales experience from his role as Regional Director for RCN Corporation as well as Regional Sales Manager for MCI where he consistently ranked in the top 10% of the company.