Dr. Junjie Liu, Director of Tianjin Key Laboratory of Indoor Air Quality Control, Professor and doctoral Supervisor of School of Environmental Science and 

Engineering, Tianjin University. Former Associate editor of the international journal Energy and Buildings and ISIAQ Academy of the International Society 

for Indoor Air Quality and Climate Fellows), editorial board member of HVAC magazine, Member and Deputy Secretary-General of National Clean Room 

and Related Controlled Environment Standardization Technical Committee (SAT/TC319), Deputy Chairman of the "Clean Controlled Environment and Laboratory" 

professional Committee of China Engineering Construction Standardization Association, ISO TC209 Clean room and related Controlled environment 

Standardization Technical Committee, China expert, WG16 "Emergency Medical modular isolation unit general technical requirements" working group convenor.

Selected as the third batch of Tianjin talent development special support plan "high-level innovation and entrepreneurship team" (team leader) and Tianjin Innovative talent promotion plan key areas of innovation team (team leader).

In the past five years, he has presided over more than 10 longitudinal scientific research projects such as the National Key R&D Program and the National Natural Science Foundation of China, with a total funding of about 22 million yuan. It has undertaken more than 20 horizontal projects, with a total fund of more than 5 million yuan. He has published a total of 299 high-level journal papers, including 233 SCI (WOS database) papers, with a total of 7027 citations, h-index: 42, and 2 ESI highly cited papers. In the past five years, he has published 158 journal papers, including 135 SCI indexes and 23 Chinese core journals. He has published 6 monographs. Participated in the compilation of 3 national standards and 2 group standards. It has authorized 1 PCT international patent, 32 Chinese invention patents, 42 utility model patents and 4 software copyrights, of which 1 invention patent has won the China Patent Excellence Award and Tianjin Patent Gold Award, and 11 invention patents have been transferred to enterprises.