Gelacio Y. Guillermo Jr. (10 March 1940 – 6 September 2019) was a Filipino poet, critic, translator, essayist, and revolutionary.
He graduated from the University of the Philippines Diliman with an AB English degree in 1964 and taught at the same institution until the imposition of Martial Law in 1972.
[13] He also translated Jose Maria Sison's prison poems into Filipino as, Sa Loob at Labas ng Piitan (2004).
[14] Under the nomme de guerre Kris Montañez, he published the short story collection, Kabanbanuagan: Mga Kwento ng Sonang Gerilya (1987)[15] and the collection of essays, The New Mass Art and Literature and Other Related Essays (1974-1987) (1988).
[16] Some of the critical essays penned under his own name were included in the collection, Ang Panitikan ng Pambansang Demokrasya (The Literature of National Democracy) (1990).