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Williams · #55 · Spain

Carlos Sainz & Gaëtan Jego

A French engineer with 14 years at ART behind him, who brought Sainz two Williams podiums in their first season.

Since joining Williams, 2025[1]2 seasons

Carlos Sainz’s driver profile →

Results

Together

Since joining Williams, 2025. Grand Prix starts only.

Starts

41

Wins

0

Podiums

2

Poles

1

Points

61

2026 season

Championship position and points include sprints.

Position

P18

Points

7

Wins

0

Podiums

0

Poles

0

Driver career

Since 2015, with every team and engineer.

Starts

249

Wins

4

Podiums

29

Poles

11

Titles

0

Up to round 17, Singapore Grand Prix (2026-10-11).[2]

Milestones together

  • Two podiums in 2025, the first at Baku.[3][4]

On the radio

Azerbaijan Grand Prix, 2025 · Sainz’s first podium for Williams.

JegoYou’ll be taking the flag, you’re clear of Antonelli. Amazing job, all the way through the weekend! Kept your head down. Brilliant qualifying yesterday. Brilliant race today. That's P3 mate. Amazing job. Chequered Flag, P3, P3! Enjoy mate, enjoy. Brilliant race.

SainzI just want to say... This is my first Smoooooooth Operation in Williams! And not the last!

SainzVAMOS GAETANO! You sound a bit emotional, are you OK?!

Transcript as published[4]

Race engineer

Gaëtan Jego

French

Carlos Sainz's race engineer at Williams.[1]

Education

Engineering, ESTACA.[5]

Career

  1. 2000sRace engineer in Formula Renault and the Formula 3 Euro Series.[5]
  2. 2005–19ART Grand Prix, from GP2 data engineer to race engineer across single-seaters and DTM.[5][3][6]
  3. 2020–24Williams race engineer to Nicholas Latifi, Logan Sargeant and Franco Colapinto.[1][5]
  4. 2025–Race engineer to Sainz; two podiums together in 2025.[3]

Previously engineered

Nicholas Latifi, Logan Sargeant, Franco Colapinto

Performance engineer

Not publicly confirmed

Williams has not named this engineer, and no reliable outlet has reported who it is.

Engineering lead at Williams

Paul Williams

Chief trackside engineer[7]

Sources

  1. Motorsport.com: Every race engineer in F1 2026
  2. Jolpica-F1: Ergast-compatible F1 results API
  3. GPFans: F1 2026: Meet the stars of team radio
  4. Williams Racing: "This is my first Smooth Operation in Williams!" – post-race team radio, Azerbaijan
  5. Wikipedia: Gaëtan JegoWikipedia
  6. Williams Racing: Who are Williams Racing's race engineers?
  7. Wikipedia: Paul Williams (engineer)Wikipedia

Entries marked Wikipedia are community-edited, and several of these engineer pages were only created in 2026. Where Wikipedia is the only source for a fact, treat it as less certain.