Ulrich Baretzky

{{Short description|German automobile engineer}}

Ulrich Baretzky was Audi Sport's Head of Engine Technology, amongst his achievements he has been credited with developing the V12, V10 and V6 TDI engine's, used in the Audi R10, Audi R15 and Audi R18 race cars.{{cite web|title=Interview with Ulrich Baretzky, Audi Sport Head of Engine Technology|url=http://www.fourtitude.com/cgi-bin/artman/exec/view.cgi/7/1947|publisher=Audi Sport}}{{cite web|title=Audi Sport's Ulrich Baretzky Interview - /DRIVE UNCUT|url=https://www.youtube.com/watch?v=1TAhWdVU3M4 |archive-url=https://ghostarchive.org/varchive/youtube/20211217/1TAhWdVU3M4 |archive-date=2021-12-17 |url-status=live|publisher=/DRIVE}}{{cbignore}}

Baretzky also brought Fuel Stratified Injection to the Audi R8 (LMP).{{cite web|last=Achorn|first=George|title=Video Interview: Audi Sport Engine Boss Ulrich Baretzky on Hybrids, Toyota, Delta Wing & the Future|url=http://fourtitude.com/news/motorsport_news_6/video-interview-audi-sport-engine-boss-ulrich-baretzky-hybrids-toyota-delta-wing-future/|publisher=fourtitude.com|accessdate=17 May 2014}}

The 25 years that the chief engine engineer has spent with Audi Sport have been gilded by a total of eleven victories at the legendary 24-hour race on Circuit de la Sarthe, plus six titles in the Deutsche Tourenwagen Masters and a host of further successes with sports prototypes, touring cars and GT sports cars.{{cite web|last=Reil|first=Hermann|title=Fine D-tail|url=http://audi-encounter.com/magazine/technology/01-2013/97-fine-d-tail|archive-url=https://web.archive.org/web/20140517184420/http://audi-encounter.com/magazine/technology/01-2013/97-fine-d-tail|url-status=usurped|archive-date=May 17, 2014|publisher=audi-encounter.com|accessdate=17 May 2014}}

Baretzky retired in 2020.{{Cite web|url=https://www.motorsportmagazine.com/articles/sports-cars/le-mans/audis-engine-guru-retires-ulrich-baretzky-on-3-decades-of-ingenuity|title = Audi's engine guru retires: Ulrich Baretzky on 3 decades of ingenuity|date = 21 May 2020}}