1. VII Congreso Español de Informática, CEDI 2024. A Coruña, Spain, June 2024 [Organizing Committee Co-Chair]
   
2. 29th International Euro-Par Conference, Euro-Par 2023 (Track 3: Architectures and Accelerators). Limassol, Cyprus, August-September 2023 [PC Member]
   
3. IEEE Cloud Summit 2021. Hempstead, USA, October 2021 [PC Member]
4. The 19th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2021. Virtual conference, October 2021 [PC Member]
5. IEEE Cloud Summit 2020. Harrisburg, USA, October 2020 [PC Member]
6. The 18th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2020. Calgary, Canada, August 2020 [PC Member]
7. 49th IEEE International Conference on Parallel Processing, ICPP 2020. Edmonton, Canada, August 2020 [PC Member]
8. 21st IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-2020. New Orleans, USA, May 2020 [PC Member]
9. 6th IEEE International Workshop on High-Performance Big Data and Cloud Computing, HPBDC 2020. New Orleans, USA, May 2020 [PC Member]
10. The 17th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2019. Fukuoka, Japan, August 2019 [PC Member]
11. 20th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-19. Rio de Janeiro, Brazil, May 2019 [PC Member]
12. 5th IEEE International Workshop on High-Performance Big Data and Cloud Computing, HPBDC 2019. Rio de Janeiro, Brazil, May 2019 [PC Member]
13. 4th European Workshop on Parallel and Distributed Computing Education for Undergraduate Students, Euro-EDUPAR 2018. Turin, Italy, August 2018 [PC Member]
14. The 16th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2018. Athens, Greece, August 2018 [PC Member]
    
15. 19th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-18. Vancouver, Canada, May 2018 [PC Member]
    
16. 4th IEEE International Workshop on High-Performance Big Data, Deep Learning, and Cloud Computing, HPBDC 2018. Vancouver, Canada, May 2018 [PC Member]
17. 2017 International Conference on Infocom Technologies and Unmanned Systems (Special Session on Data Mining, Big Data and their Applications), ICTUS'2017. Dubai, UAE, December 2017 [PC Member]
18. The 15th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2017. Orlando, USA, November 2017 [PC Member]
19. 3rd European Workshop on Parallel and Distributed Computing Education for Undergraduate Students, Euro-EDUPAR 2017. Santiago de Compostela, Spain, August 2017 [PC Member]
20. 23rd International Euro-Par Conference, Euro-Par 2017 (Topic 4: High Performance Architectures and Compilers). Santiago de Compostela, Spain, August 2017 [Local Chair]
21. 18th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-17. Orlando, USA, May 2017 [PC Member]
    
22. 3rd IEEE International Workshop on High-Performance Big Data Computing, HPBDC 2017. Orlando, USA, May 2017 [PC Member]
23. The 14th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2016. Auckland, New Zealand, August 2016 [PC Member]
24. 17th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-16. Chicago, USA, May 2016 [PC Member]
25. The 13th IEEE International Conference on Dependable, Autonomic and Secure Computing, DASC-2015. Liverpool, UK, October 2015 [PC Member]
26. 16th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-15. Hyderabad, India, May 2015 [PC Member]
27. The 13th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom-2014. Beijing, China, September 2014 [PC Member]
28. 15th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-14. Phoenix, USA, May 2014 [PC Member]
29. 13th IEEE International Conference on Computer and Information Technology, CIT'2013. Sydney, Australia, December 2013 [PC Member]
30. The 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom-2013. Melbourne, Australia, July 2013 [PC Member]
31. 14th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-13. Boston, USA, May 2013 [PC Member]
32. The 11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom-2012. Liverpool, UK, June 2012 [PC Member]
33. 13th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-12. Shanghai, China, May 2012 [PC Member]
34. The 11th International Symposium on Pervasive Systems, Algorithms and Networks, I-SPAN 2011. Dalian, China, August 2011 [Program Vice-Chair]
35. 11th IEEE International Conference on Computer and Information Technology, CIT'2011. Pafos, Cyprus, August 2011 [PC Member]
36. The 4th International Conference on Human-Centric Computing, HumanCom 2011. Enshi, China, August 2011 [PC Member]
37. The First International Workshop on Cloud for High Performance Computing, C4HPC 2011. Santander, Spain, June 2011 [PC Member]
38. 5th Iberian Grid Infrastructure Conference, IBERGRID 2011. Santander, Spain, June 2011 [PC Member]
39. 12th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-11. Anchorage, USA, May 2011 [PC Member]
40. The Journal of Supercomputing, Special Issue on Theory and Practice of High-Performance Computing, Communications and Security, February 2011 [Guest Editor]
41. 10th IEEE International Conference on Computer and Information Technology, CIT'2010. Bradford, UK, June 2010 [PC Member]
42. 4th Iberian Grid Infrastructure Conference, IBERGRID 2010. Braga, Portugal, May 2010 [PC Member]
43. 11th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-10. Atlanta, USA, April 2010 [PC Member]
44. 11th IEEE International Conference on High Performance Computing and Communications, HPCC-09. Seoul, Korea, June 2009 [Program Chair]
45. 10th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-09. Rome, Italy, May 2009 [PC Member]
46. 3rd Iberian Grid Infrastructure Conference, IBERGRID 2009. Valencia, Spain, May 2009 [PC Member]
47. 2008 International Workshop on End-User Virtualization, EUV'08. Shanghai, China, December 2008 [PC Member]
    
48. 10th IEEE International Conference on High Performance Computing and Communications, HPCC-08. Dalian, China, September 2008 [Workshop Chair & PC Member]
    
49. 14th International Euro-Par Conference, Euro-Par 2008 (Topic 6: Grid and Cluster Computing). Las Palmas de Gran Canaria, Spain, August 2008 [Local Chair] 
50. 2nd Iberian Grid Infrastructure Conference, IBERGRID 2008. Porto, Portugal, May 2008 [PC Member]
51.  9th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-08. Miami, USA, April 2008 [PC Member]
    
52. Concurrency and Computation: Practice and Experience, Special Issue on Compilers for Parallel Computers, December 2007 [Guest Editor]
53. 2nd International Workshop on Semantic and Grid Computing, SGC-07. Niagara Falls, Canada, August 2007 [PC Member]
    
54. 1st Iberian Grid Infrastructure Conference, IBERGRID 2007. Santiago de Compostela, Spain, May 2007 [PC Member & Proceedings Editor]
55. IEEE Transactions on Education, Special Issue on Grid-Based Technologies Applied to Education, February 2007 [Guest Editor]
    
56. International Workshop on Semantic Grid Applications in Computing and Engineering, S-GRACE06. Sorrento, Italy, December 2006 [PC Member]
57. 8th International Workshop on High Performance Scientific and Engineering Computing, HPSEC-06. Columbus, USA, August 2006 [Program Chair]
58. 12th Workshop on Compilers for Parallel Computers, CPC 2006. A Coruña, Spain, January 2006 [Organizing Chair]
59. Parallel Computing 2005 Conference, ParCo2005. Málaga, Spain, September 2005 [PC Member]
60. 2nd International Symposium on Parallel and Distributed Processing and Applications, ISPA 2004. Hong Kong, China, December 2004 [PC Member]
61. 5th International Workshop on Parallel and Distributed Scientific and Engineering Computing, PDSEC-04. Santa Fe, USA, April 2004 [PC Member]
    
62. 12th Euromicro Conference on Parallel, Distributed and Network-based Processing, PDP 2004. A Coruña, Spain, February 2004 [Organizing Committee Member]

---