Estelito Baylon Jacob was born on September 3, 1973. He is currently teaching literature, creative writing and journalism subjects at the University of Nueva Caceres. He finished his secondary education at the Ateneo de Naga University and earned the degree of Bachelor of Secondary Education, major in English in the same school. Right now, he is finishing his MA in English at the University of Nueva Caceres.

Jacob is one of the 40 authors published by the National Commission for Culture and the Arts for their UBOD Writers Series project. His chapbook is a collection of poetry in Bikol entitled Mga Nirukitdukit.

Jacob was also a recepient of Special Achievement Award in Creative Writing conferred by the University of Nueva Caceres, 2nd Prize Winner in the 1999 Bikol Poetry Writing Contest: Mga Tula Para ki Ina, finalist in the 1st Premio Tomas Para sa Literaturang Bikol (Fiction and Poetry Categories), fellow in the 40th UP National Writers Workshop held in Baguio(2002), panelist in the 1st Juliana Arejola-Fajardo Workshop for Bikol Writing (2003), Workshop Director in the 2nd Juliana Arejola-Fajardo Workshop for Bikol Writing(2005), facilitator in the Pagsurat Bikolnon 2 held in Legazpi City(2004), shortlisted in Home Life Poetry Writing Contest (2001, 2004 and 2005).

His publication credits include 2001 Aklat Likhaan ng Maikling Kwento at Tula(UP Press, 2003), Sarong Rambong na Burak (Balay Ibalon Press, Canada, 2003), Paburukadon sanggatos na Burak (Balay Ibalon, 2004), Bulawan baga, BUrak Palan (Balay Ibalon, 2005), Latian (Legazpi City, 2004), Liwayway Magazine, Sunday Times Magazine, Philippine Graphic, Home Life Magazine, Burak, Aniningal, The Paper, Letra, Bikol Reporter, Bicol Mail, Bikol Expose, Muse Apprentice Guild, Our Own Voice, Makata, Tinig, emanilapoetry, Bangraw.

He is one of the editors of BANGRAW, a Bikol magazine, and currently the president of KABULIG-Bikol, Bikol Writers Association.

He makes his home at #36 Marupit, Camaligan, Camarines Sur.