Dr Guan has recently be selected to be an external examiner for a student from Mahidol University going into the Ph.D. programme in Bio-medical Engineering with a sub-specialization in neurofeedback.

Mahidol University invitation letter to Dr Guan
Here are some photos:

Tle at the start of his PhD oral exam

Tle explaining bio-medical concepts to committee

Successful ending his oral exam with committee