Mei Zhang has been an HAO affiliate scientist since 2004. She is a professor at the National Astronomical Observatory of China, Chinese Academy of Sciences, in Beijing, and chief scientist at the Huairou Solar Observing Station located in the outskirts of Beijing.

Haosheng Lin has been an HAO affiliate scientist since 2003. He is an astronomer in the Solar Physics group of the Institute for Astronomy, University of Hawaii.

Viggo Hansteen has been an HAO affiliate scientistsince 2011. Outside of science Viggo is a real competitor, participating in a great number of outdoor activities including skiing, soccer, and cycling.