Emanuel "Dekong" Castro De Guzman is a former President of the Polytechnic University of the Philippines.

Born to Rosalina and Jacinto De Guzman, De Guzman graduated in High School as Class Valedictorian in Quezon, Nueva Ecija, he then took up Bachelor of Science in Sociology at Polytechnic University of the Philippines in 1993 and earned his Master of Arts in Sociology at Ateneo de Manila University in 2001.

[2][3] Before being elected as Polytechnic University of the Philippines' President, De Guzman was the Director of the Center for Human Development and the Chairperson of the Department of Sociology and Anthropology.

De Guzman served two consecutive terms as the President of the Polytechnic University of the Philippines from 2012 to 2020.

[5] As a Ford Foundation International Fellow, De Guzman underwent a comprehensive Leadership Course at the Ford Foundation International Institute for Leadership and Social Justice, University of Birmingham.