As senior account manager at Level 3 sold network based internet security (DDOS mitigation) solutions to large critical infrastructure customers in LA, as well as lit fiber projects to enterprise and regional carrier customers.

As senior sales executive at Siemens Enterprise Security sold Video Surveillance system to provide evidence quality video for fraud and loss investigation and prevention program at eleven locations in MS.

As owner of Mark L. Gray and Associates, started a small business and provided jobs to over 30 people after Katrina.
  • As contracted Director of Sales, sold regional backhaul network technology to link the client’s core microwave network and regional automated metering infrastructure to complete a smart grid network for 279k residential and C&I customers across a 24k sq. mile area.
  • As director of sales (contract), co-presented at special interest group events, resulting in five (5) new public power clients.
  • As director of sales (contracted)  bid, and won, complex wireless infrastructure construction projects with state, local and K-12 enterprises to achieve 150% of sales goal in first year.
  • As contracted vice president of sales for VanillaSoft, a software as a service (SaaS) start up, co-wrote business plan, assisted with product development and developed and staffed new direct and channel sales organization from the ground up to generate the companies first sales..
  • As owner of Mark L Gray and Associates provided Appointment Setting, Lead Generation and Development services to private and public clients


As branch sales director, New Orleans, Sprint Business, attained 126% of revenue growth plan performance while coaching 100% of team to achieve Presidents Club recognition.
  •  As regional director of sales-retention, mid-south region, Sprint, For two years, achieved 100% retention and six percent compounded annual growth revenue (6% CAGR) growing medium/large business customer base in 7 states from $36.M to $39.0M.
  • As branch manager, New Orleans, Sprint, Improved annual revenue performance 194%, while writing off 35% base revenues, with a team of 6 new hires.
  • As general manager, at UC Communications, Deployed nationwide data network, including new routers & switches, in less than 90 days.
  • As general manager, at UC Communications, Successfully navigated the CLEC regulatory / tariff development process for 9 states.
  • As sales manager, MCI, managed a sales team to 180% revenue growth attainment.
  • As technical consultant (sales engineer) provided application, data and voice network designs, RFP responses and technical consulting for 30 MCI sales reps.