Complex sentence: He had been the vice chair of ACM SIGART between 2010 and 2013, a program co-chair for ACM SIGKDD 2010, the general chair for ACM SIGKDD 2012, and is a member of the IJCAI trustee between 2011 and 2017.
Split into simpler sentences: He had been the vice chair of ACM SIGART between 2010 and 2013, a program co-chair for ACM SIGKDD 2010, and the general chair for ACM SIGKDD 2012. He is a member of the IJCAI trustee between 2011 and 2017.