Complex sentence: Between 2007 and 2010, he was a associate in the Investment Banking Division for Morgan Stanley, and he was a Senior Manager in the Corporate Strategic Planning Team for Samsung Electronics from 2010 to 2014.
Split into simpler sentences: Between 2007 and 2010, he was a associate in the Investment Banking Division for Morgan Stanley. He was a Senior Manager in the Corporate Strategic Planning Team for Samsung Electronics from 2010 to 2014.