Canadian Grand Prix promoter Francois Dumontier has said that he is happy with the new Liberty Media era.
In charge of the race at Montreal, Dumontier told La Presse that he formerly had a good relationship with ousted F1 supremo Bernie Ecclestone.
Ecclestone "did everything himself", he explained.
"When Liberty Media took control, things changed, that's for sure," said Dumontier.
"They have experience in the media, with event management, and they listen to promoters. Already they have taken some ideas that I submitted to them and implemented them in other grands prix.
"That said, they inherited an empty shell from Ecclestone and had to set up a whole structure, creating departments, hiring staff. For sure everyone is still learning, but the progress is already significant."
This year's Canadian Grand Prix takes place on Sunday, with Mercedes 22 points ahead of Ferrari at the top of the standings.
