Complex sentence: Pedro Santisteve Roche (Zaragoza, Spain, 28 May 1958) is a criminal lawyer, social activist and Spanish university professor, mayor of Zaragoza since 13 June 2015.
Split into simpler sentences: Pedro Santisteve Roche (Zaragoza, Spain, 28 May 1958) is a criminal lawyer, social activist and Spanish university professor. He has been the mayor of Zaragoza since 13 June 2015.