For more than 20 years, President Lee C. Bollinger has guided Columbia through extraordinary physical and intellectual transformation. During President Bollinger’s tenure, Columbia has seen the development of a new campus, visits from world leaders, new academic initiatives, advancements in diversity and inclusion, the creation of Columbia Climate School, and much more. Look back at President Bollinger’s legacy as he concludes his service as head of the university at the end of this academic year. #ColumbiaUniversity