Jeffrey D. Sachs is a world-renowned economics professor, bestselling author, innovative educator, and global leader in sustainable development. Professor Sachs serves as Professor at Columbia University. He is Director of the Center for Sustainable Development, Director of the UN Sustainable Development Solutions Network, and an SDG Advocate for UN Secretary General Antonio Guterres. From 2001-2018, Sachs served as Special Advisor to the UN Secretary General (Kofi Annan 2001-2007, Ban Ki-moon 2008-2016, and Antonio Guterres 2017-2018). Professor Sachs is widely recognized for bold and effective strategies to address complex challenges including debt crises, hyperinflations, the transition from central planning to market economies, the control of AIDS, malaria, and other diseases, the escape from extreme poverty and the battle against human-induced climate change. He has received 28 honorary degrees, and was twice named among Time magazine’s 100 most influential world leaders.