Dr.-Ing. Ulrich Helmut Bez (born November 1943 in Bad Cannstatt, Germany) is a German businessman and was until the end of 2013, CEO of Aston Martin motorcars when he stepped down to serve as non-executive chairman.
While at Porsche, he led Vehicle Research and Development and motor sport programmes in Formula One and World Endurance Championship in Indianapolis and Le Mans. He directed design and development of the 911 Turbo, the Carrera RS 2.7, the 968 and the 993.
Dr. Bez was the first director of BMW Technik GmbH (BMW Technology), developing a BMW V8 concept engine which helped to replace the big inline 6 cylinder with an 8 Cylinder engine, a DCT, voice activated car systems as well as the world first acoustic wind tunnel and most important the responsibility for the design of BMW Z1, a leading concept in its time for modularity, material, aerodynamics and safety.
At Daewoo Motor, Ulrich Bez was Vice President of Engineering (1993–1998), helping Daewoo Motors to become a globally recognized Brand, involved with the development and launch of a series of models such as the Daewoo Matiz - the first 4-door Mini car, Daewoo Lanos, Daewoo Leganza and the Daewoo Nubira.
Before he became the Chief Executive Officer and Chairman of Aston Martin Lagonda Ltd. in July 2000, he also was a business advisor to the Ford Motor Company. Under his leadership Aston Martin has developed into a global recognized luxury brand, selling more than 50 000 cars in 13 years, more than 3 times the number sold from 1913 to 2000. Under his leadership the company developed and launched - based on the VH architecture which he initiated - 20 major car models, including the iconic DB9, the sporty V8 and V12 Vantage, the ultimate Vanquish and the luxury 4 door Rapide, as well as the supercar One-77, the V12 Zagato and the Cygnet, a concept addressing the needs of a crowded metropolis. Under his leadership the company also returned to motorsport with the globally successful GT1, GT2, GT3, GT4, and GTE cars.
Dr. Bez is also a keen racing driver and in the 24 Hours Nürburgring endurance race achieved 24th place in 2006, 126th place in 2007, 27th place in 2008 (all in an Aston Martin Vantage N24), and 21st place in the 2009 race (the race debut of the Aston Martin V12 Vantage).  He has also run the 1959 24 Hours of Le Mans winning Aston Martin DBR1 in the Le Mans Legend race together with racing legend Sir Stirling Moss.
In 2013 Dr. Bez published a book "Making Aston Martin", which describes his background as well as his work at Aston Martin.
Bez lectured in 2013/2014 in Harvard, Columbia, Chicago Booth, UVA, LBS, Kings College, INSEAD, Erasmus, EBS.
In 2014 Bez joined ALSET, a Technology company targeting zero emission in combustion engines with a Hydrogen Hybrid concept, as a no executive Vice Chairman. He also served as an advisory Board member for the Althoff Hotel Collection from 2012 to 2015.
- 1980 Safety award from NHTSA National Highway Traffic Safety USA at ESV Conference in Kyoto
- 2007 German-British Forum Dialogue Award 
- 2012 Honorary Doctor degree HonDTech from Solent University in Southampton UK
- 2013 ADAC award for special contribution to the Nuerburgring and the 24 hrs race
- "List of companies related to Ulrich Helmut Bez". www.flixens.com. Retrieved 17 June 2016.
- "Dr. Ulrich Bez Receives Prestigious Award", Aston Martin PR
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- "Q&A: Aston Martin's John Sinders and Ulrich Bez", Automobile, Marc Noordeloos, Georg Kacher, April, 2007
- "Inside Line Q&A: Aston Martin's Dr. Ulrich Bez", Edmund's Inside Line, Alistair Weaver, Mar 19, 2007
- "Interview with Ulrich Bez", Leaders magazine, Jan 2009,
- Making Aston Martin teNeues Verlag August 2013,