Juan Ruiz
- (2014): An innovative road-bridge solution to give access to the future Zorrotzaurre Island in Bilbao (Spain). Presented at: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014.
- (2014): Butterfly Wings. An innovative bowstring concept to span the Ebro River in Logroño (Spain). Presented at: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014.
- (2014): La Florida Suspension Bridge. Presented at: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014.
- (2016): La Florida Suspension Bridge. Oviedo, Spain.. Presented at: IABSE Congress: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, Stockholm, Sweden, 21-23 September 2016.
- Butterfly Wings. Las Norias Footbridge Over the Ebro River in Logroño (Spain). Presented at: 4th International Conference Footbridge 2011, Wroclaw, Poland, 6-8 July 2011. (2011):