It was my decision, it wasn't a mutual decision,” Towriss said. “Really the process started a few months ago to explore what… really thinking about what the next phase for Cadillac Formula 1 looks like, what's the right timing? How would that look? And then the capabilities of the various folks out there.
“Obviously, we were delighted in the conversation with Marcin and how that relationship evolved. So Graeme and I spoke [on Wednesday] morning, so it is a very recent conversation from that perspective. But there's no easy way to make this transition within Formula 1.