Justo Sierra
![Justo Sierra](https://www.thebigredguide.com/img/people/justo-sierra-300x300.jpg)
Justo Sierra
President and CEO, URO Special Vehicles SAJusto Sierra is the President and CEO of URO Special Vehicles SA.
News mentions
Allison Transmission presented the UROVESA K6 IS, equipped with the Allison 3000 Series™ transmission, at SICUR 2020 (February 25-28, IFEMA trade fair center, Madrid). The vehicle features a cha...