Hourani was born in Hebron in 1965, and graduated with a BA in history from its university. He has participated in a number of group exhibits in Jerusalem, Gaza, Ramallah and Hebron. He held his first solo exhibit in Jerusalem in 1990, and participated in the 6th annual Cairo biennial in 1997. He was selected by the Swiss arts foundation Pro-Helvetia to spend six months in Geneva as a resident artist. His second solo exhibit was held at the Sakakini in May 97, it showcased the works completed in Switzerland, consisting mainly of collages of papyrus, paper with acrylic, and an installation centered around a large chessboard, in addition to free standing works made of wood and/or rubber. Hourani works at the Palestinian ministry of culture, & runs the Matall gallery in Ramallah.
He also participated in a Palestinian art group exhibit at Norway's Drammens Museum in August 1999.