Jonathan Sloan becomes interim chair and Julie Greenhill interim vice chair of Visit USA Association (UK).
Sloan, executive vice-president at MMGY GLobal, and Greenhill, director at Greg Evans Consultancy, will serve in their rules until March 2022.
"These have been a challenging few weeks for those close to Sarah Lax but we know she would want us to look forward and make sure that the future of Visit USA (UK) was in strong hands during this important period for the global travel market," said Tracey Spuyman, chief executive of Visit USA (UK).