Collaborators and Colleagues: Dr. Andrea Baden Postdoctoral Research Associate, Yale University. Dr. Baden studies primate reproductive and social strategies. She focuses on the black-and-white ruffed lemur, but her broader interests are in infant care and fission fusion societies. Rachel Jacobs Ph.D. candidate, Stony Brook University and Co-Director of the Red-Bellied Lemur Project in Ranomafana National Park, Madagascar. Rachel studies sensory ecology and population genetics in red-bellied lemurs, Eulemur rubriventer. Dr. Mitch Irwin Assistant Professor, Northern Illinois University. Dr. Irwin studies the effects of forest fragmentation on the viability of Propithecus diadema populations, studying behavioral ecology, parasitology, health and endocrinology in the Diadem Sifaka, Propithcus diadema, in Tsinjoarivo, Madagascar. Mitch also established the NGO Sadabe, which seeks "to develop novel and innovative ways to promote the coexistence of people and wildlife at Tsinjoarivo, and elsewhere where humans and wildlife come into conflict." Dr. Patricia Wright Dr. Wright's work led to the establishment of Ranomafana National Park, ICTE, MICET, and Centre ValBio. She is the director of ICTE, the President of the Board of Directors of Centre ValBio, and a professor in the Departments of Anthropology and Ecology and Evolution at Stony Brook University. She is also affiliated with the University of Helsinki, Finland.