Sebastian was born in Argentina but went to college in Canada where he graduated from Sheridan in Media Arts Studies in Film & Television Production. In post production he has worked as a projectionist and in visual effects. He has worked on features in Mexico on main and on 2nd Unit on Hollywood movies like Vantage Point (Sony/Columbia Pictures) and Beverly Hills Chihuahua for Disney. In Argentina he also worked on television commercials for Pepsi Max. His credits as an assistant director include Covert Affairs (Universal Cable), Family Gathering (Hallmark Channel) and the series Being Erica (Temple Street/CBC). He Directed all of the spots in the commercial campaign for Canadian clothing line Withindustries. Since working on The Devil's Tail in post production, his most recent credit is as an assistant director on the Edgar Wright film Scott Pilgrim Vs the World.