Complex sentence: He has continued to expand the field of colorectal surgery using social media (Twitter, LinkedIn, and Facebook) to build an international colorectal community focused on improving the global standards of patient care.
Split into simpler sentences: He has continued to expand the field of colorectal surgery using social media websites as another tool to coordinate international collaboration. His posts on Twitter, LinkedIn, and Facebook have helped to build an international colorectal community to improve global standards of patient care.