Complex sentence: He was Vice Chancellor of King George's Medical University, Lucknow from 2014 to 2017, he was also head of surgery at All India Institute of Medical Sciences (AIIMS), Bhopal.
Split into simpler sentences: He was Vice Chancellor of King George's Medical University, Lucknow from 2014 to 2017. Before becoming VC of KGMU he was head of surgery at All India Institute of Medical Sciences (AIIMS), Bhopal.