Born in Buenos Aires , Argentina . Studied in i.t.m.c and in 2001 received a scholarship from Berklee College of Music in Boston, Massachusetts, graduating in may 2003. 
 Studied double bass with Hernan Merlo and Miguel Angel Villarroel , he is under the tutoring of Alejandro Erlich Oliva for the last 9 years . 
 Demian has had the opportunity to study and play with some of the world’s most accomplished jazz musicians. 
 He is a regular memeber of the prestigious Orquestra Jazz de Matosinhos. 
 As a leader released “Naranja” TOAP Records in 2008,“Ruínas” TOAP Records in 2010 and “How about you?” TOAP Records in 2011, “En febrero” Fresh sound New Talent records 2013, “Off the ground ” Robalo records 2016 and “Astah” Portajazz 2018. Played with; Lee Konitz, Joe Lovano, Chris Cheek, Mark Turner, Bill Mchenry, Rich Perry, Rick Margitza, Seamus Blake, Ohad Talmor, Perico Sanbeat, Jesus Santandreu, David Schnitter, Maria Schneider, Kurt Rosenwinkel, Phil Grenadier, Darren Barret, Russ Johnson, Jason Palmer, Juan Cruz Urquiza,Jason Moran, Bill Carrothers, Leo Genovese, Bernardo Sasseti, Albert Sanz, Mario Laginha, Maria Rita, Maria Joao, Theo Bleckman, Sheila Jordan, John Riley, Jorge Rossy, Gerald Cleavert, Francisco Mela, Dan Weiss, Ferenc Nemeth, John Hollenbeck, among many others.