Feña began his acting career in 2001. A few years later he was part of the Professional Improv League (LPI) in Buenos Aires between 2003 and 2006.
In 2006 he created Global Impro, an improv troupe dedicated to national and international collaboration and exchange. Originally from Argentina, he is currently based in Madrid, Spain where he performs and teaches with Impromadrid and El Club de la Impro.
He writes, edits and directs Status, an improv magazine that has more than 2500 subscribers all over the world, and is considered the most influential publication on the Spanish speaking improv community.
Since 2001 he has taught and performed in different cities all over the globe.