sentences:  He has published numerous papers and a book, chaired leading conferences in computer science, and is an editor of several scientific journals.In 2008, he was awarded the Edsger W. Dijkstra Prize in Distributed Computing along with Baruch Awerbuch for their 1990 paper “Sparse partitions.”
  
  In 2011, he won the SIROCCO Prize for Innovation in Distributed Computing, awarded annually at the SIROCCO conference.In 2017 he became a Fellow of the Association for Computing Machinery.