Latest Complete Directory of all Bureaus and Branches of the Department of Environment and Natural Resources (DENR)

Department of Environment and Natural Resources: Complete Directory 2026

• RAPHAEL P.M. LOTILLA

• • Secretary
  • Tel. No. 8925-8277, 8920-4301
  • Trunkline No. 8929-6626 local 2007, 2008
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1103, 1105
    

• JOSE JOAQUIN Y. LOYZAGA

• • Head Executive Assistant
  • Tel. No. 8924-2540 
  • Trunkline No. 8929-6626 local 2013
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1109, 1169
  • ohea@denr.gov.ph / osec@denr.gov.ph

Office of the Undersecretaries

• MARILOU G. ERNI

• • Chief of Staff and Supervising Undersecretary for Strategic Communications
  • Tel. No. 8927-6343
  • Trunkline 8929-6626 local 2298, 2013

• • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1111, 1110, 1108
    

• ATTY. ERNESTO D. ADOBO JR., CESO I

• • Undersecretary for Legal and Administration
  • Tel. No. 8920-2213
  • Trunkline 8929-6626 local 2232
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1115, 1116, 1136
    

• ATTY. ANALIZA REBUELTA – TEH, CESO I

• • Undersecretary for Finance, Information Systems and Climate Change
  • Tel. No. 8928-1208, 8926-2672
  • Trunkline 8929-6626 local 2290
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1180
    

• ATTY. JONAS R. LEONES, CESO I

• • Undersecretary for Policy, Planning and International Affairs
  • Tel. No. 8928-1186, 8928-1195
  • Trunkline 8929-6626 local 2286, 2289
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1070, 1071, 1072

• JOSELIN MARCUS E. FRAGADA, CESO III

• • Undersecretary for Field Operations-Mindanao and Supervising Undersecretary for Mines and Geosciences Bureau-Mindanao, Environmental Management Bureau-Mindanao
  • Tel. No. 8928-8655
  • Trunkline No. 8929-6626 local 2237
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1091, 1113

• ATTY. JUAN MIGUEL T. CUNA, CESO I

• • Undersecretary for Field Operations – Luzon, Visayas and Supervising Undersecretary for Mines and Geosciences Bureau-Luzon and Visayas, Environmental Management Bureau-Luzon and Visayas
  • Tel. No. 8925-2328, 8926-2567
  • Trunkline No. 8929-6626 local 2019
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1070, 1071, 1072

• AUGUSTO D. DELA PEÑA

• • Undersecretary for Organizational Transformation and Human Resources
  • Tel. No. 8928-1205
  • Trunkline No. 8929-6626 local 2016

• ATTY. IGNATIUS LOYOLA A. RODRIGUEZ

• • Undersecretary for Special Concerns and Legislative Affairs
  • Trunkline 8929-6626 local 2013

• DR. CARLOS PRIMO C. DAVID

• • Undersecretary for Integrated Environmental Science
  • Trunkline 8929-6626 local 2015
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1202

Office of the Assistant Secretaries

• ATTY. DANIEL DARIUS M. NICER, CESO II

• • Assistant Secretary for Quality Management
  • Tel. No. 8928-7861
  • Trunkline No. 8929-6626 local 2218
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1079, 1080, 1081

• MARCIAL C. AMARO, JR., CESO II

• • Assistant Secretary for Biodiversity and Director, BMB (In Concurrent Capacity)
  • Tel. No. 8920-2212
  • Trunkline No. 8929-6626 Local 2176

• • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1139, 1140

• ATTY. MICHELLE ANGELICA D. GO, LL.M., CESO II

• • Assistant Secretary for Inter-Agency Relations and Land Matters
  • Tel. No. 8927-5317
  • Trunkline No. 8929-6626 Local 2169
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1073, 1074

• RUTH M. TAWANTAWAN, CESO II

• • Assistant Secretary for Administration
  • Tel. No. 8927-6726, 8926-1084
  • Trunkline No. 8929-6626 local 2113
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1101

• HIRO V. MASUDA, DBA, CESO III

• • Assistant Secretary for Human Resources and Sectoral Initiatives
  • Tel. No. 8928-2910, 8920-1004
  • Trunkline No. 8929-6626 local 2021
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1059

• ATTY. NORLITO A. ENERAN, CESO III

• • Assistant Secretary for Legal Affairs and Enforcement
  • Trunkline No. 8929-6626 Local 2215

• NORALENE M. UY, Ph.D.

• • Assistant Secretary for Policy, Planning, and Foreign Assisted and Special Projects (FASPS)
  • Tel. No. 8920-2212
  • Trunkline No. 8929-6626 Local 2176

• • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1139, 1140

• ROCHELLE ELENA A. GAMBOA

• • Assistant Secretary for Strategic Communications
  • Trunkline No. 8929-6626 Local 2296

• ENGR. MICHAEL V. CABALDA

• • Assistant Secretary for Mining Concerns and OIC Director, MGB (In Concurrent Capacity)
  • Tel. No. 8920-9120
  • Trunkline No. 8929-6626 Local 2108

• GILBERT C. GONZALES, CESO III

• • Assistant Secretary for Field Operations – Luzon and Visayas
  • Tel. No. 8920-6215
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1043

• JACQUELINE A. CAANCAN, CESO III

• • OIC, Assistant Secretary for Environment and Director, EMB (In Concurrent Capacity)
  • Tel. No. 8927-1517
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 2200

Staff and Line Bureaus

• LORMELYN E. CLAUDIO, CESO III

• • Director, Ecosystems Research Development Bureau (ERDB)
  • Tel. No. (049) 536-2509
  • erdb.denr.gov.ph

• ARLEIGH J. ADORABLE, CESO III

• • Director, Forest Management Bureau (FMB)
  • Tel. No. 8927-4788
  • forestry.denr.gov.ph

• ATTY. EMELYNE V. TALABIS, CESO IV

• • Director, Land Management Bureau (LMB)
  • Tel. No. 8480-0014
  • lmb.gov.ph

DENR Task Force and Services

• REUEL N. SORILLA
  • OIC Director, Environmental Law Enforcement and Protection Service (ELEPS)
  • Trunkline No. 8929-6626 local 2288

• ELENIDA DR. BASUG
  • Director, Climate Change Service
  • Trunkline No. 8929-6626 local 2006

• KHALIL S. BAYAM
  • Director, Strategic Communication and Initiatives Service (SCIS)
  • Trunkline No. 8929-6626 local 2296
  • IP Phone Trunkline No. 8249-3367, 8248-3367 local 1054, 1055