Supreme Master (or "Suma") Ching Hai, (born 12 May 1950), is the self-titled founder and spiritual teacher of the Quan Yin Method with an estimated 20,000 followers world wide.^[2]

Ching Hai is a poet, painter, musician, self-published writer and entrepreneur who heads the Supreme Master Ching Hai International Association, a business group with worldwide interests in restaurants, fashion and jewellery design.^[3][4] She is known for her philanthropic and humanitarian work,^[5] and has been criticised for making allegedly ostentatious displays of generosity.^[6]