Whitmarsh, who was changed by Cowell final yr, was provided his outdated job again however is claimed to have refused.
Whitmarsh advised BBC Sport: “I made a decision to depart Aston Martin in 2023 and, while Lawrence has been very beneficiant, I now not needed a job within the workforce.”
The rupture has been attributable to a disagreement between Cowell and Newey over who’s in cost.
Newey, an F1 design legend and winner of 12 constructors’ and 13 drivers’ world titles with Williams, McLaren and Crimson Bull, is main work on the workforce’s 2026 automotive.
Cowell as CEO is meant to supervise the workforce however Newey’s standing, each when it comes to his document, and as a shareholder and the workforce’s greatest earner by far, is inevitably in a extra highly effective place.
Newey left Red Bull particularly as a result of he had fallen out with Horner as a consequence of the allegations of sexual harassment and coercive, controlling behaviour made in opposition to Horner by a feminine worker.
Horner was cleared of the fees by two separate inside investigations, however the allegations led to main inside ruptures inside Crimson Bull, who additionally suffered a decline in efficiency.
With no signal of an enchancment within the inside tensions or efficiency, Red Bull removed Horner after the British Grand Prix.
In September, the 2 events reached a settlement that noticed Horner obtain a pay-off price 60m euros (£53m).
On the time of his departure, Newey advised colleagues he didn’t wish to be in the identical room as Horner, a Crimson Bull supply advised BBC Sport.
However there may be mentioned to have been a rapprochement between the 2 and in the summertime they attended an Oasis live performance collectively.
Nevertheless, it’s removed from sure that Horner will safe a job at Aston Martin.
It might be that Stroll decides he doesn’t want a full-time determine of such excessive profile, given he’s de facto workforce principal as the general authority and proprietor.
Cowell can be the fourth senior chief to depart his position at Aston Martin.
Otmar Szafnauer was sacked in early 2022 and changed by Mike Krack, who was demoted to chief engineer after Cowell took on his position.
The workforce are additionally going by means of a major technical restructure with seven senior design engineers leaving their roles earlier this month.
The workforce are hoping for a leap ahead in competitiveness subsequent yr, when new guidelines might shake up the grid they usually grow to be Honda’s engine companion.
