Suh completed his Bachelor of Science and Master's degree in environmental engineering from Ajou University in South Korea.

[5] Suh contributed to the development of methods and data for quantifying climate change and other environmental and natural resource impacts of producing, using, and disposing of goods and services.

In particular, Suh and his colleagues contributed to the development and applications of input-output LCA (EIO-LCA) and its combination with process analysis, called hybrid approach.

[8] As a result, he was awarded the McKnight Land-Grand Professorship in 2009 and 2010 by the University of Minnesota,[9] and received the International Society for Industrial Ecology's Robert A. Laudise Prize.

[13] Suh received the Leontief Memorial Prize by the International Input-Output Association (IIOA) in 2011 with a paper entitled "The Structure of Life-Cycle Environmental Impact of the U.S.

[17] He was also recognized on Clarivate Analytics's Highly Cited Researchers as a scientist who ranked in the top 1% by citations for field and publication year.

Suh also co-founded Carbon Minds, a German software and data firm specialized in sustainability measurement of chemical industry in 2019.

[22] Through this initiative, Suh and his team support underprivileged rural communities in Africa to improve the welfare of women and children and to reduce greenhouse gas emissions and indoor air pollution.