Prof. Taehoon Hong has held Sustainable Built-Environment Leaders Workshop 2019 on the main topic of 'Focusing on indoor environment, energy efficiency, and sustainable energy' in Yonsei University on Jan 16, 2019. Prof. Qingyan Chen in Purdue University, Prof. Jianlei Niu in The University of Sydney, and Prof. Aoife Foley who are Editor-in-Chiefs of top  international journals have given special lectures for this workshop.

Prof. Chen who serves as the Editor-in-Chief of the international journal "Building and Environment" has given the presentation on the topic of "Inverse design of indoor environment by CFD-based optimal methods. Prof. Niu who serves as the Editor-in-Chief of the international journal "Energy and Buildings" has given the presentation on the topic of "Inverse design of indoor environment by CFD-based optimal methods. Prof. Foley who serves as the Editor-in-Chief of the international journal "Renewable & Sustainable Energy Reviews" has given the presentation on the topic of "Inverse design of indoor environment by CFD-based optimal methods.