Psywell expert in Positive Psychology at Tsinghua University and a distinguished academic advisor  He serves as a lecturer at the Social Psychology Services Research Center of Tsinghua University's School of Social Sciences. Liu holds a Master’s degree in Education from the University of Oxford and has previously worked at the London office of Bank of America Merrill Lynch and served as a board member at Brockenhurst College, a public secondary school in the UK. He has translated "The Gardener and the Carpenter" and "Lifespan: Why We Age—and Why We Don’t Have To." Liu has also contributed to the writing of "The Science of Happiness" and "Tsinghua Positive Education Curriculum Compilation."