Professor Ding received his M.A. from Peking Univeristy. He is currently a professor at the School of Humanities, Tsinghua Univeristy, and he was previously deputy director of the Department of Chinese Language and Literature, director of International Chinese Language and Culture Center and director of Inter-University Program for Chinese Language Studies at Tsinghua University. Professor Ding has been invited to be visiting professor and scholar to various universities in Hong Kong, the United States and Japan. His research interests are classical Chinese literature and teaching Chinese as a second language. He published more than 10 works include: Poems of Wei, Jin, Southern and Northern Dynasties, Classic Chinese Poetry in All Ages, Progress of Mandarin and Tsinghua Mandarin etc. He also taught 'Studies of Ancient Chinese Fictions,' 'Ancient Chinese,' 'Advanced Chinese Reading,' and 'Reading and Writing' at Tsinghua University.