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Leclerc’s ex-engineer turns into Cadillac technical director in WEC and IMSA
Formula 1

Leclerc’s ex-engineer turns into Cadillac technical director in WEC and IMSA

By Miles Cooper January 14, 2025
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Charles Leclerc’s former race engineer on the Ferrari System 1 group has been recruited by Cadillac as technical director of its LMDh sportscar challenge. 

Xavier Marcos is taking on the brand new place inside the Cadillac V-Sequence.R programme, which straddles the World Endurance Championship and the IMSA SportsCar Championship, after seven years on the Scuderia.

The Spaniard was a factory-based engineer in 2018 earlier than turning into a race engineer when Leclerc joined Ferrari the next yr.

Marcos remained within the place till Could 2024 when he was changed previous to the Emilia Romagna Grand Prix by Bryan Bozzi and was moved onto what Ferrari described as “different vital firm programmes”. 

He joined Ferrari from the Richard Childress Racing NASCAR Cup group with which he had been chief race engineer, having beforehand labored in F1 for HRT after which Williams. 

The technical directorship is considered one of two new positions created at Cadillac Racing to help new LMDh programme supervisor Keely Bosn, who began the position on 1 January after being introduced in October. 

Leclerc’s ex-engineer turns into Cadillac technical director in WEC and IMSA

Keely Bosn, Cadillac Racing

Photograph by: Cadillac Communications

The second new job is that of propulsion supervisor, with a deal with the 5.5-litre normally-aspirated V8 and the spec hybrid system that energy the V-Sequence.R. 

This place has been taken by Sean O’Shea, who joined Cadillac’s guardian firm Basic Motors in 2015. 

He previously labored for Bosch Motorsport, which provides the motor generator unit of the LMDh hybrid system, on its involvement with Mazda’s diesel racing programmes in sportscars.

Bosn has taken over administration of the V-Sequence.R campaigns from Laura Wontrop Klauser, who held the place of GM’s sportscar programme supervisor masking each the LMDh and Corvette Racing GT3 programmes. 

That position has now been break up, with Jessica Dane, daughter of Roland, the co-founder of the Triple Eight Engineering touring automotive group in the UK and Australia, taking up as supervisor of the Z06 GT3.R challenge.

Klauser and Christie Bagne, who labored underneath her on the Z06, have been transferred to manufacturing automotive roles inside GM. The strikes had been described as a standard rotation or “churn” of administration inside the GM Racing entity.

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On this article

Gary Watkins

System 1

WEC

IMSA

Cadillac Racing

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