Born on March 21, 1972 in Cotabato City, Hji. Razulden Abeden Mangelen, MPA, MDM is one of the most promising leaders of the Philippine Statistics Authority in the Autonomous Region in Muslim Mindanao (PSA-ARMM). He is happily married to Bai Norayah E. Nur and a loving father to his two children – An-Nurhaiyden N. Mangelen and Princess Nurfaiyden N. Mangelen.
Mangelen finished his primary education in 1984 at Dalican Pilot Elementary School. He continued his secondary education at Mindanao State University - Mindanao and graduated in 1988. He took his Bachelor’s Degree in Commerce Major in Accounting at Notre Dame University (NDU) in Cotabato City in 1993. After five years, Mangelen proceeded to Mindanao State University – Maguindanao Graduate School to take up Master on Public Administration and graduated in 2014. At the age of 41, he was accepted at the Development Academy of the Philippines and earned a Master’s Degree in Development Management in 2014.
During his senior year in NDU, Mangelen served as a Loan Collector in the Notre Dame Foundation for Charitable Activities, Inc. – Women in Enterprise Development. He was then promoted as General Bookkeeper in the same organization until 1995.
He started as a Census of Population (POPCEN) worker in a two-month contract in National Statistics Office (NSO) – ARMM in 1995. A month after this contract, he was immediately appointed as Budget Officer I in the same office for four years. He was then promoted as Budget Officer II in 1999 and appointed as Statistician III in 2001.
The career of Mangelen has continuously stimulated. He was designated as the OIC-Provincial Statistics Officer (OIC-PSO) of then NSO - Maguindanao in January 2003 and eventually became a full-pledged PSO in August 2004. He stayed as the head of the provincial office until the merging of NSO with three other agencies to the Philippine Statistics Authority (PSA) in 2013 up to the first quarter of 2018.
Mangelen’s staff used to describe him as a strict and disciplinarian supervisor. He is very particular in every detail and aims to consistently comply the quality and quantity of reports required by the agency. With his leadership, PSA-Maguindanao has been recognized as the top performing provincial office among the five provinces of PSA-ARMM, based on the results of the 2016 PSA Field Awards. He continuously led the Province by leadership-by-example resulting in the achievement of an Excellent Rating of 92.47% and 91.63 in years 2014 and 2015 on Anti-Red Tape Act (ARTA) conducted by the Civil Service Commission-ARMM.
Mangelen has always been designated as the OIC-Regional Director during the official travels of then RD Asaad and even the past regional leadership. He has also represented the Regional Director and the PSA-ARMM in some activities conducted by various agencies. Recently, he represented PSA-ARMM in the ARMM Regional Development Plan Operational Planning Workshop in Tagaytay City on October 12-13, 2017; he led the Team of PSA-ARMM in the All-Agency General Assembly of the Task Force Bangon Marawi in Iligan City last August 18, 2017 and introduced the PSA to the members of the Regional Agriculture and Fishery Council of ARMM during their consultation meeting on July 27, 2017 in Cotabato City.
On Apri 9, 2018, Mangelen was designated as the OIC-Regional Director of PSA-ARMM until the present.