Munoz will retain his role as CEO of Hyundai Motor North America and Hyundai Motor America responsible for operations strategies, growth and performance in North, Central and South America.
He has also completed executive management programs from Cranfield School of Management in the UK and INSEAD Business School in France.
In a 15-year career at Nissan, he rose to become chief performance officer and head of Nissan North America and Nissan China.
Hyundai Motor, with its Hyundai and Kia brands, has seen its market share increase in Europe in recent years, especially as electric cars become more popular.
Motional is developing an autonomous driving platform for robotaxi providers, fleet operators and car makers.