He-in has a dual role as a Research Assistant at the Transport Systems Laboratory and as a PhD student under the supervision of Dr Arnab Majumdar and Professor Washington Ochieng. She joined the Centre for Transport Studies (CTS) as a PhD student in October 2018 as part of the programme of EPSRC Centre for Doctoral Training (CDT) in Sustainable Civil Engineering. Her research focuses on the modelling of refugee movement with particular focus on transportation choices and the interaction between the stakeholders involved.

During her initial years of her PhD, she was a visiting student at Technical University of Munich learning about the application of agent-based modelling in crowd dynamics and a part-time intern at Simudyne carrying out agent-based simulation to detect financial crime.

Prior to her PhD, she was a Senior Engineer at Arup in Sydney, Australia, and in London, UK, designing tunnel ventilation and mechanical, electrical, and public health systems. She is a Chartered Engineer since June 2016.