Current Members (2025-2026)

Hannah Monti, President

Terrestrial nutrient cycling, lichen specimens, past nitrogen cycle perturbations


Kaci Zarek, Vice President (she/her)

Greenhouse gases, aquatic ecosystems, nitrogen & carbon cycling, redox


Samantha Davies, Treasurer

Mercury, freshwater, methane


     Alana Margerum (she/her)

Terrestrial biogeochemistry, dendrochronology, nutrient cycling, & plant-soil interactions

Kathy Stenehjem (she/her)

Freshwater biogeochemistry, greenhouse gases, ponds, phytoplankton community dynamics

Coral del Mar Valle Rodriguez (she/ella)

Tropical ecology, Ecophys, Drought, Remote Sensing

Hannah De Felice

Arctic, Permafrost, Methane, Biogeochemistry

Allasandra Valdez (she/her)

Grasses & gasses

Alicia McElwee (she/they)

Soil microbial ecology, soil carbon cycling, and soil microbiomes

Casey Iwamoto (she/her)

Biogeochemistry, trace metals, & restoration

Ethan Duvall (he/him)

Ecological stoichiometry, wildlife, sodium, and zoogeochemistry

If  you would like to become a BESS member, please email biogeo@cornell.edu