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People at The Winfree Lab


Rachael Winfree

Rachael Winfree is an Associate Professor in the Department of Ecology, Evolution and Natural Resources at Rutgers University, New Brunswick. Her research interests include (1) how pollinators and the pollination services they provide are affected by global change, (2) the relationship between biodiversity and ecosystem services, and (3) pollinator conservation and restoration. Her work has been funded primarily by the National Science Foundation and USDA-AFRI, and has been published in leading scientific journals including PNAS, Science, Ecology Letters, Ecology, and Proceedings of the Royal Society of London. Rachael’s research has also been featured in the popular media such as Nature (commentary), Audubon magazine, National Wildlife magazine, Science News, The Scientist, and National Public Radio (NPR). Rachael received her Ph.D. in Ecology & Evolutionary Biology from Princeton University in 2001 and her B.A. from Dartmouth College in 1990.

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Mark Genung

Mark will join the lab as a postdoctoral associate in August 2013. Mark is interested in research linking biodiversity and ecosystem function, and has previously addressed these questions at the intraspecific genetic level, including in the context of plant-pollinator interactions. In the lab, he will examine whether pollinator species richness affects the stability of pollination services, among other projects. He received his Ph.D from the University of Tennessee in 2012.

Mark's web site

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Dan Cariveau

Dan is involved in multiple research projects, including investigating the role of pollinator diversity in pollination services to cranberry (Vaccinium macrocarpon); collaborating with Nancy Moran's lab to explore the gut microbiota of bumble bees; and evaluating the outcomes of pollinator restorations implemented on private lands in New Jersey. Dan received his Ph.D from Colorado State University in 2008.

Dan's web site

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James Reilly

James Reilly is an ecological modeler who develops and analyzes mathematical and statistical models in collaboration with various members of the lab. James received his Ph.D from Cornell University in 2009.

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Faye Benjamin

Faye Benjamin's thesis research investigates the spatial scale at which land cover controls the pollination services delivered by native bees, and the role of agricultural habitats in supporting bee populations. Faye is in her final year of the Ph.D program in the Ecology and Evolution program, where her work was funded by Rutgers Excellence Fellowship. Faye received her Sc.B. in neuroscience from Brown in 2005.

Molly MacLeod

Molly MacLeod's thesis research uses a 4-year, experimental pollinator restoration to explore questions about the restoration of both ecosystem service providers (crop pollinators) and rare bee species. She is also collaborating with the State of New Jersey Dept of Environmental Protection to create a comprehensive list of bee species of conservation concern for the State. Molly is a fourth-year Ph.D student in the Ecology and Evolutionary Biology program, and received her undergraduate degree in Biology from Marlboro College in 2008.

Tina Harrison

Tina Harrison's research investigates biotic homogenization of pollinator communities in disturbed landscapes, from local to regional spatial scales. Tina is a third-year Ph.D student funded by a GAANN graduate fellowship, and received her undergraduate degree in Ecology and Evolution from Dartmouth College in 2009.

Sean Griffin

Sean Griffin is studying interactions between honey bees and native bees in the pollination of canola biofuel crops in Kansas and Manitoba, Canada. He is a second-year Ph.D student, funded by an NSF-IGERT fellowship. Sean received his undergraduate degree in Entomology from Cornell University in 2011.

Bethanne Bruninga-Socolar

Bethanne Bruninga-Socolar is studying the responses of a plant-pollinator community to mass-flowering episodes of Astragalus scaphoides at field sites in Montana and Idaho. She is a second-year Ph.D student, funded by a Rutgers Excellence Fellowship, and received her undergraduate degree from Swarthmore College in 2010.

Colleen Smith

Colleen Smith will join the lab as a Ph.D student in fall 2014, funded by a Rutgers Excellence Fellowship and a Rutgers Presidential Fellowship. Colleen is interested in understanding how plant-pollinator networks change in response to disturbance and how functional traits and diversity influence network structure. She received her undergraduate degree in Ecology and Evolutionary Biology from the University of Michigan in 2013.

Michael Roswell

Michael Roswell is a beginning Ph.D student funded by an NSF Graduate Research Fellowship. Michael is interested in how the specifics of plant-pollinator interactions inform both ecological networks, and restoration and management. He graduated from Swarthmore College in 2011 with majors in Biology and Linguistics.


Joseph Zientek

Joseph is a sophomore in the School of Environmental and Biological Sciences at Rutgers, who is doing independent research on pollinator morphology, funded by an ARESTY undergraduate research award.

Abigail Cohen

Abigail Cohen is a senior in the Department of Ecology, Evolution and Natural Resources. For her honors thesis, Abigail is focusing on natural enemy and pest insect communities in federally funded pollinator plantings. Congratulations to Abigail for winning first place in the student poster competition at the Eastern Branch Entomological Society of America meeting in Williamsburg, VA in March 2014!


Ignasi Bartomeus

Faculty researcher at EBD-CSIC (Doñana Biological Station), Seville, funded by a Ramón y Cajal Fellowship Award

Romina Rader

Lecturer in Environmental Management at the University of New England, Australia

Geetha Nayak

Geetha Nayak was a Fulbright-Nehru Postdoctoral Fellow in the lab in 2011-2012


Samantha Hauser

Ph.D student in Environmental and Evolutionary Biology at University of Louisiana.

Bridget Johnson

Stacy Brody