https://twitter.com/andrewbensonf1/status/1017401360931684352
andrewbensonf1/Andrew Benson 2018/07/12(木) 22:32:41
Mercedes announce significant technical changes. Engineering director Aldo Costa and performance director Mark Ellis will leave their roles at end of season.
Chief designer John Owen to replace Costa as head of engineering. Chief Vehicle Dynamicist Loic Serra to replace Ellis

https://twitter.com/SportmphMark/status/1017402083467620352
SportmphMark/Mark Hughes 2018/07/12(木) 22:35:33 via Twitter Web Client
Technical staff changes at AMG @MercedesAMGF1. Aldo Costa moves to advisory role, John Owen takes his place as leader of engineering group.
Mark Ellis takes sabattical and Loic Serra replaces him as performance director. All from 2019.

https://twitter.com/tgruener/status/1017402522909138945
tgruener/Tobi Grüner 🏁 2018/07/12(木) 22:37:18
Aldo Costa has chosen to step back from his role as Engineering director at Mercedes to spend more time with his familiy in 2019.
He will stay with the team as Technical Advisor. John Owen to step up in the engineering group. #AMuS

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