Jaime L. An Lim was born in Cagayan de Oro City in 1946. He received his AB English, cum laude, from Mindanao State University. A writing fellow at the Silliman National Writers Workshop (1973) and the UP Writers Workshop (1974), he won an Honorable Mention for fiction from Focus (1973), a Third Prize for poetry from Philippines Free Press (1995), a Third Prize for poetry from Home Life (1995), a Second Prize for fiction from Panorama (1995), and several Don Carlos Palanca Memorial Awards for fiction in English (1973, 1993), essay (1989), short story for children (1990, 1993), and poetry (1990). 

He holds five graduate degrees, including an MA in English and Creative Writing from Silliman University, an Ed.S. in Instructional Systems Technology, and a Ph.D. in Comparative Literature, both from Indiana University, Bloomington. At IU, he won Second Prize in the Asian Student essay contest (1978), the Academy of American Poets Prize (1981), the Tutungi Prize (1983), and the Ellis Literary Award (1984). For his outstanding achievement in fiction and poetry, he was awarded the 2000 Gawad Pambansang Alagad ni Balagtas by the Unyon ng mga Manunulat sa Pilipinas (UMPIL). For his teaching, the Metrobank Foundation gave him the 2003 Outstanding Teacher Award. 

In 1999, he was a fellow to the 25th British Council Seminar on the British Writer at Downing College, Cambridge. For a number of years, he taught in the United States and worked as a TESL consultant at the University of North Sumatra, Indonesia. He recently retired as a professor of English from MSU-Iligan Institute of Technology where he organized the Mindanao Creative Writers Group, Inc., and founded the Iligan National Writers Workshop. He is presently the Dean of the Institute of Arts and Sciences of Far Eastern University, Manila.