"Patrick Head" is co-founder and Engineering Director of the WilliamsF1/Williams Formula One team.

For 27 years from Head was technical director at Williams Grand Prix Engineering, and responsible for many innovations within Formula One. Head oversaw the design and construction of Williams cars until May 2004 when his role was handed over to Sam Michael.

More Patrick Head on Wikipedia.

I think it's an outer perimeter on testing but I think the most significant thing is that we've at least got back to a common agreement between all teams, so it's a good platform to work on.

I would hope that Nico would be well ahead of that.