Jeffrey Sachs is a renowned American economist and professor, known for his work in sustainable development and poverty alleviation. Born in 1954, Sachs has had a distinguished career, serving as an advisor to many governments and international organizations. He is the director of the Earth Institute at Columbia University and has authored several influential books on global economics and social change. Sachs is a leading advocate for addressing climate change and promoting global cooperation to achieve sustainable development goals. His pioneering work has had a lasting impact on the field of economics and policy-making worldwide.