DRG Undersea Consulting (DRG) is an advisory firm specializing in guiding clients through their investment in and development of international telecom infrastructure, with an emphasis on undersea fiber optic networks. Our team, established in 1999, has supported clients who are planning, procuring and managing the construction of new undersea networks in every region of the world. DRG is currently active with projects worldwide, including both transoceanic cables connecting continents across the world’s largest oceans and regional cables across smaller seas. The DRG team has supported clients in planning, procuring, and managing the construction of new undersea networks in every region of the world for more than 25 years. DRG is currently active with projects worldwide, including transoceanic cables connecting continents across the world’s largest oceans and regional cables across smaller seas. DRG also continues to counsel investors across the globe by performing vital technical, commercial and market due diligence on their prospective international undersea investments and acquisitions.
DRG’s vision is to provide our clients with a unique blend of proven technical solutions, commercial guidance and project management skills needed to plan, design, develop, implement, operate and commercialize international undersea communications networks. We aim to be the best at offering guidance to network developers and their potential investors, which maximizes their opportunities through focused insights, modeling and analysis, and practical hands-on contributions – all while maintaining close coordination with our clients.
DRG sits on the SubOptic Association Executive Committee, which supports planning worldwide submarine cable conference programs such as PTC, Submarine Networks World and SubOptic. DRG also often serves as a chair for keynote panels at these sessions. In addition, DRG is a trustee of the SubOptic Foundation. The DRG team is comprised of thought leaders in the subsea networks market who leverage their expertise to contribute to the industry’s future.



John Mariano has over 40 years experience in the telecommunications industry, specializing in planning, deployment and operation of undersea fiber systems. While with DRG, Mr. Mariano has been involved in undersea projects around the globe, including major commercial transoceanic networks and environmental sensor networks. Prior to joining DRG, Mr. Mariano was COO of Global Photon Inc. Mr. Mariano had a distinguished 30-year career in AT&T, AT&T Bell Laboratories and Tyco Submarine Systems Ltd., where he was responsible for a variety of technical and business developments, including new applications and marine deployment of undersea system technology for commercial systems as well as for serving offshore platform networks. Mr. Mariano has a BSCE from the University of Connecticut and MS in Applied Mechanics from Stanford University and is a registered Professional Engineer.






Mr. Kheny has over 30 years of experience in SubSea System Planning, Design, Implementation and Operations having worked for a mix of companies including carriers, content players, suppliers and consultants. Mr. Kheny has been associated with several of the world’s SubSea projects across the various phases of SubSea Program completion.








Since 1970, Mr. Ross has been at the forefront in developing international communications networks throughout the world, including emerging markets in the Middle East, Africa, Asia, the Pacific Islands and the Americas. Mr. Ross serves as a senior advisor to telecom operators, private network developers and investors, and government agencies, primarily in business planning for network construction and asset acquisition. He is a frequent speaker at industry conferences and contributor to conference workshops. Prior to forming DRG in 1999, Mr. Ross held executive positions in Bell Laboratories, AT&T, and Tyco Submarine Systems. He holds BSEE and MSEE degrees from the University of Michigan.
