He is currently a professor of computer science at Northwestern University.
After completing his Licencitura at Universidad Nacional de la Patagonia San Juan Bosco, he earned a Ph.D. specializing in distributed systems from the Georgia Institute of Technology under Karsten Schwan.
He is best known for his work on peer-to-peer systems and content delivery networks (particularly Ono (P2P)) and for his tool for optimizing DNS performance .
[1] He has authored more than 50 papers in various areas of Computer Science.
[2] and released over 10 publicly available systems resulting from his research work.