People

Director

Changbum Ryan Ahn
Dr. Changbum R. Ahn is the Director of the Smart and Sustainable Construction Research Group at the Texas A&M University.  He received his PhD in Civil Engineering at the University of Illinois at Urbana-Champaign and his MS in Earth and Environmental Engineering at Columbia University. His current research focuses on achieving sustainable construction using smart sensing technologies. On a personal level, he is a terrible but passionate tennis player and golfer.











Current Members

Kanghyek Yang

Dr. Yang is a Postdoctoral Research Associate at the Texas A&M University. He received his PhD in Construction Engineering and Management and MS in Computer Science from the University of Nebraska at Lincoln. He also earned another MS and a BE in Architectural Engineering from the Seoul National University and the Chonnam National University, respectively. His research focuses on understanding a worker’s responsive behaviors in construction environments and enhancing health and safety performance. In his free time, he enjoys playing tennis, swimming, and watching sports.







Cenfei Sun

Cenfei Sun is a PhD student at the Texas A&M University. She previously studied at Charles W. Durham school of Architectural Engineering & Construction at the University of Nebraska-Lincoln. She received her BS majoring construction management and her MS in Architecture and Civil Engineering in Chongqing University of China. Her research focuses on using wearable sensing data to understand construction workers’ risk taking attitude in order to identify risk-prone workers. Cenfei enjoys music and jogging for her spare time.








Jinwoo Kim

Jinwoo Kim is a PhD student at the Texas A&M University. He studied Charles W. Durham school of Architectural Engineering & Construction at the University of Nebraska-Lincoln. He received BS and MS in Architectural Engineering at Kumoh National Institute of Technology and Seoul National University in South Korea. During PhD, he is studying about the human interaction with the built environment. Jinwoo enjoys many sports such as racquetball, badminton, and swimming including marathon and especially chin-up. 
(My contact email address is jwkim@tamu.edu)












Alumni

Hamed Nabizadeh

Dr. Rafsanjani was a Ph.D. student in the SSC group and received his Ph.D. in Construction Engineering and Management in 2018.  His primary research focused on developing a non-intrusive occupant load monitoring (NIOLM) framework in commercial buildings. He is now working as a faculty member at the University of Georgia. 








Hyunsoo Kim 

Dr. Hyunsoo Kim is an assistant professor of Gyeongnam National University of Science and Technology. He was a postdoctoral associate of the Smart and Sustainable Construction Research Group at the University of Nebraska-Lincoln. He received his BS. MS, and PhD in Architectural Engineering at the Seoul National University in South Korea. He has studied construction safety management since 2008. Hyunsoo's research in UNL focuses on human objects and their behaviors. Especially, construction hazard identification by analyzing human objects and their behaviors collected from single or multiple sensors is his main research area. When he is not conducting research, he likes to go hiking at mountains. His major concern is that there is not a mountain for hiking nearby Lincoln.




Mohammad Bisadi

Mohammad Bisadi is a graduate student at the Charles W. Durham school of Architectural Engineering & Construction at the University of Nebraska-Lincoln. He received his BS in Civil Engineering from University of Tehran and his MS in Civil/Construction Engineering and Management from Sharif University of Technology. His research focuses on the physiological responses of people to enhance walkability of neighborhoods.  When Mohammad is not conducting research, he enjoys playing soccer and anything related to soccer. Also, he is the treasurer of  Iranian Student Organization at UNL.



Reza Shahbad

Reza Shahbad is a PhD student at the Charles W. Durham school of Architectural Engineering & Construction at the University of Nebraska-Lincoln. He received his BS in Civil Engineering from University of Tehran and his MS in Civil Engineering/Sustainability from Amirkabir University of Technology (Tehran Polytechnic). Reza enjoys listening music and reading novels in his spare time.





Jiayu Chen 

Jiayu Chen was a post doc researcher at the Carles W. Durham school of Architectural & Construction Engineering at the University of Nebraska-Lincoln. He received his PhD in Civil Engineering at Columbia University. Jiayu's research in UNL focused on promoting energy efficient decision-making through coupled indoor positing and energy management system. He is now working as an Assistant Professor at the City University of Hong Kong and leading the Building Environment and Eco-informatics lab.






Joyce Qin

Joyce Qin was a Master student at the Carles W. Durham school of Architectural & Construction Engineering at the University of Nebraska-Lincoln. She is now working in China






Houtan Jebelli 

Houtan Jebelli was a Master student at the Charles W. Durham school of Architectural Engineering & Construction at the University of Nebraska-Lincoln. His research aimed to introduce and validate a quantitative measure that allows researchers to characterize the fall risks of construction workers using an inertial measurement unit (IMU). He is now working as a PhD student in University of Michigan.






Sepideh Aria 

Sepideh Aria was a Master student from department of Computer Science and Engineering who was doing research in Durham School of Architectural Engineering and Construction. Her research in Smart and Sustainable Construction Research Group focused on developing accurate near-miss fall incidents with least computational complexity. Sepideh is now a PhD student at Rochester University.






Tim Adams 

Tim received Undergraduate Creative Activities & Research Experience (UCARE) grant to do research within Dr. Ahn’s Smart and Sustainable Construction Research Group. He was working on Recognizing Activities of Construction Equipment using a Smartphone. Tim is still an undergrad at UNL and will graduate soon. He plans to go to a graduate school.






David Engelhaupt 

David Engelhaupt was an undergraduate student in Civil Engineering department at the University of Nebraska – Lincoln with an emphasis on water resources engineering. He was the recipient of an Undergraduate Creative Activities & Research Experience (UCARE) grant. His research was focused on Recognizing Activities of Construction Equipment using a Smartphone as a Multi-Sensor Hub. After graduation, he started working for the Kansas Department of Agriculture – Division of Water Resources as an Engineering Associate. He provides technical assistance for administering water law. In addition, he performs groundwater analysis, drafts technical reports, and makes recommendations on managing the available groundwater.






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