The company said Gareth Dunsmore, deputy chief executive for global sales and marketing, had left "due to personal reasons and we respect his decision."

VinFast said it had eliminated jobs for two other U.S.-based executives Greg Tebbutt, who had been chief marketing office, and Craig Westbrook, former chief service officer, "due to changes in the management model and specific requirements of the business."

Dunsmore, Tebbutt and Westbrook could not be immediately reached for comment.

(Reporting by Kevin Krolicki; Editing by Ed Davies)