Federico Jusid is an Argentine composer who resides and works between Madrid and Los Angeles. He has written the scores for more than 40 feature films and over 25 television series. His work includes the score for the Academy Award-winner for Best Foreign Film The Secret in Their Eyes, for which he received the nomination for the Spanish Academy Goya Award for Best Original Score. He has recently worked with Alberto Iglesias writing additional compositions for the original score of Ridley Scott's Exodus: Gods and Kings, and he has also composed the OST for Kidnap with Halle Berry, and Happy 140. Other notable scores include The Life Unexpected, Everybody Has a Plan, The Escape, The Hidden Face, I Want to Be a Soldier, and more recently Magallanes, Getulio, The Ignorance of Blood, Betibu or Francis, Father Jorge. On television, his most recognised work is the soundtrack for the Spanish historical drama Isabel, with whom he won several awards, such as International Film Music Critics Association (IFMCA) Award and Reel Music Award. In 2015 he made the score for the TV series Under Suspicion and The Refugees and just released the historic drama Charles, King Emperor, sequel of Isabel. He has also composed works for concert hall premiered throughout Europe and America by recognized soloist and chamber ensembles. As a pianist and composer, he has performed and toured prestigious theaters in Europe, Asia and America. He recorded for labels BMG, IRCO, Magenta Discos and Melopea.

Isabel is a Spanish historical fiction television series, directed by Jordi Frades and produced by Diagonal TV for Televisión Española. The series is based upon the reign of Queen Isabella I of Castile. It was broadcast on La 1 of Televisión Española from 2012 to 2014.