Sergio Rajsbaum has been a Program Committee member of the following conferences:

• 3er Congreso Iberoamericano de Seguridad Informática CIBSI'05, 
• 19th Int. Symposium on Distributed Computing DISC'05,
  
• ACM Symposium on Principles of Distributed Computing PODC'96, PODC'98, and PODC'02,  PODC'09, PODC'10
  
• International Colloquium on Structural Information and Communication Complexity SIROCCO'99, SIROCCO'01, and SIROCCO'05, SIROCCO'07
  
• IEEE International Conference on Distributed Computing Systems ICDCS'01, ICDCS'05, ICDCS'06, ICDCS'07, ICDCS'08
  
• Encuentro Internacional de Ciencias de la Computación ENC'01, ENC'03, ENC'04, ENC'05,
  
• Congreso Iberoamericano de Seguridad Informática CIBSI'05,
  
• International Parallel and Distributed Processing Symposium IPDPS'02,
  
• AD-HOC Networks and Wireless ADHOCNOW'02, ADHOCNOW'05, ADHOCNOW'06,
  
• 1st Latin American Symposium on Dependable Computing LADC'03,
  
• 10th Pacific Rim International Symposium on Dependable Computing PRDC'04, 
  
• 6th Latin American Theoretical Informatics LATIN'04,
  
• 10th International Conference on Principles of Distributed Systems OPODIS'06,
  
• International Symposium on Stabilization, Safety, and Security of Distributed Systems SSS'06,  SSS'07,
  
• TrustSoft Workshop on Foundations of Fault-tolerant Distributed Computing FOFDC'07 in conjunction with AReS'07,
• 9th International Conference on Distributed Computing and Networking ICDCN'08, Kolkata, India, Jan. 5-8, 2008.