Gulf Island Fabrication has named Christian Vaccari vice president of its shipyard division and Donald Mackay vice president of its fabrication and services divisions

Chris Sugahara is replacing Chuck Davison as chief executive of Fairfield Geotechnologies as the latter becomes chief operating officer of Oceaneering International

Bollinger Shipyards has named Chris Remont vice president of new construction programmes

Dolphin Drilling has named Aksel Hillestad chairman

Bjorn Petter Lindhom has been named chief executive of EMGS on a permanent basis

Sami Zouari is leaving as chief financial officer of Gulf Keystone Petroleum

Kenneth Vareide has been appointed chief executive of digital solutions at DNV GL

Craig Collins has quit as chief operating officer of Altus Midstream

Alex Sanna...