Colin Johnston
Society for Underwater Technology in the U.S.

Colin is the Managing Director of SeaNation LLC headquartered in Houston. He has been resident in Houston since 1997 and a member of SUT since 1998. Prior to that he lived in Aberdeen and London. Colin is an active member of the subsea community in Houston. He is on the board of the Deepwater Intervention Forum and also represents SeaNation as a supporting partner with Offshore Network focused on subsea intervention and decommissioning. Colin has been involved with API for 10 years serving on the 17A, 17D and 17G committees. Colin is a 25 year member of the SPE and also part of the OTC organizing committee via Marine Technology Society. He has over 27 years industry experience covering well services and has focused on subsea well operations since 2001. Colin is a mining engineering graduate from the University of Newcastle upon Tyne and has a masters in Subsea Engineering from Heriot Watt University, Edinburgh and an MBA from the University of St. Thomas, Houston.
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Upcoming Events 2025
| Nov 6, Thu | SUT-US Networking Event |
| Nov 19, Wed | Female Energy in collaboration with Young Energy Professionals Forum |
| Nov 27, Thu | Happy Thanksgiving! |
| Dec 2 - 3 | An Introduction to Integrated Marine Site Characterization |
| Dec 3 - 5 | International WorkBoat Show 2025 |
| Dec 12, Fri | Annual General Meeting 2025! |
| Dec 12, Fri | SUT-US X-Mas Networking Event |
Upcoming Events 2026
| Jan 22, Thu | Young Professionals Annual Trivia Night! |
| Feb 6, Fri | SUT-US YP & WIND 5 Career Superpowers Seminar Part II |
| Mar 23 - 26 | Subsea Awareness Course Spring 2026 |
Membership available for students, individuals and corporations



