Dr. Diego López-de-Ipiña is an associate professor and principal researcher of MORElab group and director of DeustoTech-Societal Challenges unit, associated to DeustoTech, University of Deusto in Bilbao, SPAIN. He is currently focusing his work on the role of citizens as active data contributors to the knowledge of a city modeled as Linked Knowledge merging Open and Private Data and exploitable through Big Data.