He-in has been a PhD student in the Lloyd's Register Foundation Transport Risk Management Centre at the Centre for Transport Studies since October 2018. She also sits in the EPSRC Centre for Doctoral Training (CDT) in Sustainable Civil Engineering. Her research lies in the area of modelling of forced movement of people with focus on transportation.
He-in is also a Chartered Engineer and a Member of the Institution of Mechanical Engineers (IMechE). She attained a MEng degree in Mechanical Engineering from Imperial College London in 2012. After her graduation, she worked in the civil engineering sector and developed her expertise in the tunnel ventilation and fire/life safety systems, as well as tunnel-specific Mechanical, Electrical, and Public health (MEP) design.