Williams has confirmed the hiring of Pat Fry as Chief Technical Officer.
Fry will begin his role later in the year having left the same position at Alpine ahead of the Belgian Grand Prix.
The British engineer spent 17 years with McLaren during a stunning period that included 66 race wins, three Drivers' titles and one Constructors' titles before making the switch to Ferrari in 2010.
Fry will now be tasked with helping the revival of Williams, which is on its way up following the addition of James Vowles as Team Principal over the winter.
Thrilled to join
"I am thrilled to be joining Williams Racing as Chief Technical Officer," said Fry in a statement released by the team.
"The team has a rich heritage in Formula 1, and I am excited to contribute to its future success.
"I believe in the team's potential and, together, we will strive for excellence on and off the track."
Vowles added: "On behalf of all at Williams Racing, I’m delighted to be welcoming Pat.
"His knowledge and experience will further strengthen the team's technical capabilities and pursuit of excellence as we build the next chapter of Williams.
"Pat has been a core part of winning teams throughout his career, he is one of the most respected experts in our industry and I’m excited to begin work with him when he joins in November.”