Au is a graduate of Columbia University and worked as a financial investor. He was a founding member of Ares SSG Capital Management, heading its investment activities in Greater China from 2009. He retired from finance in 2023 to pursue endurance racing.
Au began his racing career in 2017, competing in the Porsche Carrera Cup Asia. His first result in GT3 competition came in 2019, finishing fourth in-class at the Dubai 24 Hours alongside Hong Kong drivers Frank Yu, Jonathan Hui and Kevin Tse.
Au achieved his first success in 2021, winning the 6 Hours of Abu Dhabi with Chris Froggatt. That same year, he made his full-season debut in the GT class of the Asian Le Mans Series, racing for Herberth Motorsport alongside Porsche factory driver Klaus Bachler. He also competed at the 24 Hours of Spa with Herberth Motorsport, alongside Robert Renauer and Alfred Renauer.
In 2022, Au returned to both Asian Le Mans and Herberth Motorsport, again partnering with Bachler and adding Ye Yifei to the lineup. The trio finished second in the season finale at Yas Marina Circuit. He also returned to the 24 Hours of Spa, joining Jaxon Evans, Dylan Pereira and Kevin Tse at Herberth Motorsport.
2023 marked a turning point, with Au winning the Spa round of the International GT Open championship, co-driving with Matteo Cairoli in the Pro-Am class. He then achieved a victory at the 2023 24 Hours of Spa, starting from overall pole position and winning the Bronze class with Cairoli, Tim Heinemann and Jannes Fittje, becoming the first driver from Hong Kong to win this historic race. He followed this with a second-place finish in Pro-Am class at the Indianapolis 8 Hours, also starting from pole position, and a third-place in-class at the Gulf 12 Hours with Cairoli and Heinemann.
Au continued his success in 2024, winning the SP9 Pro-Am class at the 24 Hours of Nürburgring with Patric Niederhauser, Indy Dontje and Patrick Kolb. He then secured the Intercontinental GT Challenge Independent Cup Championship title, winning the Pro-Am class at the Indianapolis 8 Hour with Niederhauser and Loek Hartog, starting from overall pole position.
In December 2024, Au joined Manthey Racing in the Asian Le Mans Series alongside Joel Sturm and Klaus Bachler. After a difficult Dubai double-header in early 2025, the team rebounded at Yas Marina, securing a win in the final race and claiming the 2024–2025 season championship, earning an invite to the 2025 24 Hours of Le Mans where he finished sixth on debut. For the remainder of 2025, Au raced with Rutronik Racing in the GT World Challenge Europe Endurance Cup, achieving Bronze class wins at Monza and Barcelona to finish as class runner-up. He also won the Suzuka 1000km in the Bronze class with Richard Lietz and Hartog, finishing fourth overall. He finished second in-class at the 24 Hours of Dubai and the Indianapolis 8 Hour. At the end of the year, Au returned to Manthey Racing for the 2025–26 Asian Le Mans Series, securing a third-place points finish. He also competed in the 2025–26 24H Series Middle East, winning the 6 Hours of Abu Dhabi and finishing as runner-up in GT3.
Gallery · 2 related images
