Andrew Silver Co-Founder and CTO
A company co-founder, Andrew Silver now serves as Tango Networks’ Chief Technology Officer. Silver is an entrepreneur and business technologist who has held senior management and director roles in large and small wireless companies including Ericsson, Nortel Networks, Comverse and Spatial Wireless. He is an accomplished speaker at wireless industry forums and has been granted more than 50 patents in wireless communications systems. Silver holds an electrical engineering degree and an MBA from McGill University.
Douglas J. Bartek Co-Founder, President & CEO
Doug is a recognized leader with more than 40 years of industry experience. He has led more than 20 successful sales, acquisitions, mergers, and financings of high-tech firms. Prior to co-founding Tango Networks, he founded and led Microtune, a firm that he took public. He was a division president at Cirrus Logic, was president and CEO of Acumos, and has held various leaderships at other leading enterprises. Bartek has an electrical engineering degree from the University of Texas and both a M.Eng. and an MBA from Arizona State University.
Brandon Larson Chief Strategy Officer
Brandon leads the Technical Sales and Engagement team for all regions. He has over 15 years experience in fixed and wireless networks, specializing in IMS and 4G VoLTE network evolution. Prior to joining Tango Networks, Brandon led the worldwide technical sales engagement practice at Mavenir Systems, with responsibility for $75 million in revenue for mobile service provider next generation network evolution. He also held various positions at Alcatel-Lucent. Brandon has a degree in chemical engineering from Rutgers University.
Derek Peper SVP, Americas Sales
Derek is responsible for business development of the Tango Networks portfolio among wireless carriers, enterprise accounts, and channel partners in the Americas. He has over 25 years of experience in both start up and enterprise organizations in the telecom, mobile and security industries. Peper has overseen channel development and built high performing direct, channel and alliance sales organizations for Alcatel, BlackBerry, Nortel, and SAP. Peper holds a B.Sc from Memorial University in Newfoundland, Canada.
Nigel Smith SVP, EMEA Sales
Nigel is responsible for Tango Networks’ business operations in the EMEA region. He brings more than 30 years experience in the industry, and has worked for companies such as BT, Cable and Wireless, Cisco & Amdocs. Smith was most recently CTO and head of business development at VoxSmart. Previously held product marketing and business development of UC solutions at Amdocs. Nigel has taken the stage at many industry events, addressing topics such as IPTV service fulfillment and IMS charging design.
Lathan Lewis Chief Business Development Officer
Lathan, with more than 15 years of telecom industry experience and multiple patents, serves as Tango Networks’ vice president of business development. His prior experience includes Nortel where he focused on wireline, enterprise, and next generation wireless technologies. Lewis has a computer science degree from Texas A&M and an MBA from the University of Texas at Dallas.
Robert Hegwood Vice President, Global Operations
Robert has 40 years of telecommunications industry experience and is responsible for worldwide operational support, service delivery, and product introduction into the wireless carrier and enterprise network environments. He previously served in various senior management positions, including Tier 1 wireless carrier customer program management operations for Mitel’s mobile division. Hegwood served 21 years in the U.S. Navy, and was a cryptologic officer. He has a B.B.A. from the University of Phoenix.
Shravan Gaddam Chief Product Officer
Shravan oversees r&d operations in India and the U.S., working with sales and business development to enhance existing products and optimize system designs based on customer needs. He has more than 16 years experience developing next gen wireless and IP-based products and uc solutions. Previously, he was VP of Product Management and System Engineering at Voxox and before that Chief Architect at Mavenir Systems. He has a B.E. from Birla Institute of Technology and Science in Pilani, India.

See Tango Networks in Action

Enterprise Communications Unleashed
About Us
Enterprise Communications Unleashed
Tango Mobility Services deliver business communications services on mobile phones using the native dialer for a superior user experience. Mobile UC extends enterprise UC identity and services from an existing system to any mobile phone. Tango’s Mobile Call Recording service is the only enforceable solution that works from the native dialer. Business Messaging enables SMS messaging from your business line. These services are available as an add-on subscription via partner service providers including AT&T, Sprint and T-Mobile.
Phone: +1 (469) 920-2100
2801 Network Blvd, Suite 200 Frisco, TX 75034