Diep Bui became a member of Keep Vietnam Clean in 2016 and us currently the owner of Keep Vietnam Clean Social Enterprise.

In 2019, she was an Environmental Fellow of the Community Solutions Program - a program of the Bureau of Educational and Social Affairs (ECA) of the United States Department of State and implemented by IREX.

During four months in the USA, Diep worked at EarthGen to develop and implement environmental education programs. She was also selected to be one of the young emerging leaders to participate in the Global Leadership Forum 2019, "Collaborative Solutions for Social Impact", hosted by the Presidential Precinct and the University of Virginia.