Dr. Maenza-Gmelch is a lecturer and co-director of labs in the Environmental Science Department at Barnard.  She teaches Forests and Environmental Change, Case Studies in Land-use Dynamics, and Environmental Science Lab.

Dr. Maenza-Gmelch is a palynologist. Her research interests include paleoecology, pollen and seed morphology, fire ecology, phytogeography, forest succession, climate change, and effects of habitat fragmentation on bird and amphibian populations. Her publications have focused on the Late-glacial and Holocene vegetation, climate, and fire of the Hudson Highlands, southeastern New York as well as other sites in the Northeast USA.

Dr. Maenza-Gmelch has taught Forests and Environmental Change at Barnard since 1998. She has taught field biology, ecology, forest biology, botany and environmental science at NYU since 1995. She has conducted field biology and field botany courses in the Black Rock Forest  since 1994.
Dr. Maenza-Gmelch received her Ph.D. in 1995 from New York University.

Selected publications:
Mitchell, R. S., Maenza-Gmelch, T. E., and Barbour, J.G. (1994). Utricularia inflata Walt. (Lentibulariaceae), new to New York state. Bulletin of the Torrey Botanical Club 121:295-297.

Maenza-Gmelch, T.E. (1997). Late-glacial - early Holocene vegetation, climate, and fire at Sutherland Pond, Hudson Highlands, southeastern New York, U.S.A. Canadian Journal of Botany 75:431-439.

Heusser, L.E., Maenza-Gmelch, T.E., Lowell, T.V. and Hinnefeld, R. (2002). Late Wisconsin periglacial environments of the southern margin of the Laurentide Ice Sheet reconstructed from pollen analyses. Journal of Quaternary Science 17(8): 773-780.