“I am a stronger athlete and a better person because of her.”
Cullen had recently been working with Kiwi Indycar driver Marcus Armstrong.
Hamilton had his official welcome at Ferrari on Tuesday ahead of the 2025 season where he will drive alongside Charles Leclerc, who finished third in the driver standings last year.
“There are some days that you know you’ll remember forever and today, my first as a Ferrari driver, is one of those days,” Hamilton posted on Instagram.
“I’ve been lucky enough to have achieved things in my career I never thought possible, but part of me has always held on to that dream of racing in red. I couldn’t be happier to realise that dream today.”
