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Faculty & Staff
Prof. John Paul T. Yusiong
Chairperson, Division of Natural Sciences & Mathematics
Chemistry
Ma. Ariane Lou C. Aguilar
Instructor
BS Chemistry, UP Visayas
mcaguilar3@up.edu.ph
Natural products chemistry, encapsulation research, drug delivery
(On study leave)
Olga G. Corales - Ultra
Assistant Professor
MS Chemistry, UP Diliman
BS Chemistry, UP Los Baños
ogcorales@up.edu.ph
Heavy metal analysis, analytical chemistry
(On study leave)
Rolly G. Fuentes
Professor
PhD Pharmaceutical Sciences, Chiba University (Japan)
MS Chemistry, UP Los Baños
BS Chemistry (magna cum laude), Visayas State University
rgfuentes@up.edu.ph
Biological activities of natural resources (natural products chemistry, pharmacognosy)
Mary Annilyn L. Villar-Cabalhin
Assistant Professor
MS Biohemistry, UP Los Baños
BS Chemistry (cum laude), Visayas State University
mlvillar1@up.edu.ph
Natural products chemistry, drug delivery, nanotechnology, biochemistry
Karl Jamil M. Racaza
Instructor
BS Chemistry, Mindanao State University - Iligan Institute of Technology
kmracaza@up.edu.ph
Organic synthesis, Molecular Docking
Yssakhar A. Salas
Assistant Professor
MS Chemistry, UP Los Baños
BS Chemistry (cum laude), Visayas State University
yasalas@up.edu.ph
Environmental chemistry, microplastics research, water quality assessment, pollutant assessment and remediation research
Coastal Biology and Biodiversity
Jerome Benedict P. Cabansag
Assistant Professor
Master of Applied Science in Natural Resource Management, Massey University (New Zealand)
BS Zoology, UP Los Baños
jpcabansag@up.edu.ph
Marine biology: reef fish ecology, marine invertebrates, marine pollution
Eulito V. Casas, Jr.
Professor
PhD Environmental Science, UP Los Baños
MS Forestry, UP Los Baños
MM Public Management, UP Visayas Tacloban College
BS Forestry, Visayas State University
evcasas@up.edu.ph
Protected areas management, biodiversity conservation & climate proofing, environmental education, watershed management, water governance
Maria Elisa B. Gerona- Daga
Assistant Professor
MS Botany, UP Los Baños
BS Biology, UP Visayas Cebu College
mbgerona@up.edu.ph
Research interests: plant morphoanatomy, plant physiology, coastal flora, mangrove ecophysiology
(On study leave)
Nicci Rosietess E. Madarcos
Assistant Professor
MS Botany, UP Los Baños
BS Biology, UP Visayas
nemadarcos@up.edu.ph
Macroalgal diversity, bioinformatic analysis
Richard B. Parilla
Associate Professor
PhD Environmental Science, UP Los Baños
MS Environmental Studies, UP Visayas Cebu College
BS Biology, UP Visayas Cebu College
rbparilla@up.edu.ph
Wildlife studies, conservation biology, phylogenetics, biological resource management, protected area management, carbon sequestration, environmental impact assessment
Jay T. Torrefiel
Assistant Professor
MS Botany, UP Los Baños
BS Biology, Leyte Normal University
jttorrefiel@up.edu.ph
Biodiversity, plant systematics, plant ecology
Rey T. Verona
Assistant Professor
MS Zoology, minor in Environmental Scince, UP Los Baños
BS Biology, UP Visayas Tacloban College
rtverona@up.edu.ph
Developmental biology, invertebrate zoology, parasitology
Leni G. Yap-Dejeto
Professor
PhD Aquatic Bioscience, University of Tokyo (Japan)
MS Marine Science, UP Diliman
BS Biology (cum laude), UP Visayas Cebu College
lgyapdejeto@up.edu.ph
Phytoplankton, algae, microalgae, phytoplankton ecology, harmful algal blooms, water quality
Microbiology
Grignard James R. Buday
Assistant Professor
MS Microbiology, UP Los Baños
BS Biology, West Visayas State Universiity
grbuday@up.edu.ph
Microbiology, food science
Catherine B. Lago
Assistant Professor
MS Biology, UP Visayas
BS Biology, UP Visayas
cblago@up.edu.ph
Detection and molecular characterization of helminths, protozoans, and viruses in environmental samples
Kate Allysa P. Macalalad
Assistant Professor
MS Microbiology, Pukyong National University (South Korea)
BS Biology, UP Visayas Tacloban College
kpmacalalad@up.edu.ph
Virology, cell biology
Zoe K. Mallonga
Assistant Professor
PhD Environment and Energy Systems, Shizuoka University (Japan)
MS Human Biology, University of Western Australia
MS Biology, Ateneo de Davao University
BS Biology, Ateneo de Davao University
zkmallonga@up.edu.ph
Microbiology and biotechnology, biofilm structure and physiology, infectious diseases
Irene L. Tan
Associate Professor
PhD Biology, UP Diliman
MS Biology, UP Diliman
BS Biology (cum laude), UP Visayas Tacloban College
iltan1@up.edu.ph
Cellular senescence in health and aging, reproductive biology, animal disease modeling, molecular diagnostics
Computer Science
Allan Fritzgerald N. Amistoso
Instructor
BS Computer Science, UP Visayas Tacloban College
anamistoso@up.edu.ph
Natural language processing, geoinformatics, and embedded systems
Ryan Rey M. Daga
Assistant Professor
MS Computer Science, Ateneo de Manila University
BS Computer Science, UP Visayas Tacloban College
rmdaga@up.edu.ph
Image processing, image compression, social network analysis
(On study leave)
Jasmine A. Malinao
Associate Professor
Doktoratsstudium der technischen Wissenschaften, Technische Universität Wien (Austria)
MS Computer Science, UP Diliman
BS Computer Science, UP Visayas Tacloban College
jamalinao1@up.edu.ph
Basic and applied research in modeling and model verification, complexity theory, graph theory, software engineering, and ICT-driven service science
Therese Nuelle Roca
Instructor
BS Computer Science, UP Tacloban College
troca@up.edu.ph
Workflow modeling and verification
Victor M. Romero, II
Assistant Professor
MS Computer Science, UP Diliman
BS Computer Science, UP Visayas Tacloban College
vmromero@up.edu.ph
Networks and distributed systems, peer-to-peer, delay tolerant networks, Internet of Things (IoT), Information Technology for Development (IT4Dev)
(On study leave)
Samson Jr D. Rollo
Instructor
BS Computer Science, UP Tacloban College
sdrollo@up.edu.ph
Data structures and algorithms, artificial intelligence, cybersecurity
Bea D. Santiago
Instructor
BS Computer Science, UP Visayas Tacloban College
bdsantiago@up.edu.ph
Delay tolerant networks, distributed systems
John D. Ultra
Assistant Professor
MS Computer Science, UP Diliman
BS Computer Science, UP Visayas Tacloban College
jdultra@up.edu.ph
E-voting systems, software engineering methods
(On study leave)
John Paul T. Yusiong
Professor
PhD Computer Science, UP Diliman
MS Computer Science, UP Diliman
BS Computer Science (cum laude), UP Visayas Tacloban College
jtyusiong@up.edu.ph
Deep learning, computer vision, swarm intelligence, artificial intelligence, optimization algorithms
Mathematics, Statistics, & Physics
Rodrigo V. Dejeto
Assistant Professor
MS Materials Science and Engineering, UP Diliman
BS Ceramic Engineering, Mindanao State University - Iligan Institute of Technology
rvdejeto@up.edu.ph
Clay, nanotechnology, microstructure, materials testing and characterization, inorganic materials
Junmar G. Gentuya
Assistant Professor
MS Mathematics, UP Diliman
BS Applied Mathematics, UP Visayas
jggentuya@up.edu.ph
Modeling measles dynamics in the Philippines, mathematical biology and mathematical epidemiology, optimal control theory
Rosabella G. Montes
Assistant Professor
MS Public Health (Biostatistics), UP Diliman
BS Statistics, UP Diliman
rbmontes@up.edu.ph
Bayesian statistics
Dave I. Palen
Assistant Professor
MS Applied Mathematics, UP Diliman
BS Mathematics, UP Visayas Cebu College
dipalen@up.edu.ph
Mathematical biology
(On study leave)
Mary Grace P. Recreo
Instructor
BS Mathematics, UP Cebu
mprecreo@up.edu.ph
Optimization and approximation
Annie Lyn O. Yusiong
Assistant Professor
MS Applied Mathematics, UP Diliman
BS Mathematics, UP Visayas Cebu College
atoliverosyusiong@up.edu.ph
Optimization and approximation, matrix analysis, spectral theory, linear response eigenvalue problems
Division Staff
Jea Athena L. Elizan
Division Secretary
jlelizan@up.edu.ph
Madelyn I. Aclo
University Research Associate
miaclo@up.edu.ph
Emerson A. Aldamia
Laboratory Inspector
ealdamia@up.edu.ph
Melchona A. Dy
Laboratory Technician
mady@up.edu.ph
Reynaldo D. Macarayon
Laboratory Aide
rdmacarayon@up.edu.ph
