# Mathematical & Computational Biology Faculty By modeling the biological world, we formalize verbal theories, generate testable hypotheses, and develop methods of data analysis. Within OEB, we are focussed primarily on evolutionary and ecological modeling. [### Benjamin L. de Bivort ](/people/benjamin-de-bivort) Professor of Organismic and Evolutionary Biology Co-Chair of the Department of Organismic and Evolutionary Biology ![Benjamin de Bivort with beard and mustache wearing a red shirt and black jacket smiling](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/benjamin_de_bivort-2.jpeg?itok=wrRgNY_x) [### Michael M. Desai ](/people/michael-desai) Fisher Professor of Natural History Co-Director of the Systems Synthetic and Quantitative Biology PhD Program ![Michael Desai with short dark hair and beard, wearing a blue check button down, in front of grey background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/michael_desai_crop.jpeg?itok=I8_JgNYw) [### Scott V. Edwards ](/people/scott-v-edwards) Professor of Organismic and Evolutionary Biology Curator of Ornithology in the Museum of Comparative Zoology ![Scott Edwards smiling, with short grey hair and beard, wearing light blue button down, with light grey background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/scott_edwards_crop.jpeg?itok=CTYKumrd) [### Gonzalo Giribet ](/people/gonzalo-giribet) Professor of Organismic and Evolutionary Biology Curator of Invertebrate Zoology in the Museum of Comparative Zoology Director of the Museum of Comparative Zoology ![Gonzalo Giribet sitting, with short hair, wearing white button down, in front of white wall with framed picture](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/gonzalo_giribet_2021.jpeg?itok=F_EdC_b4) [### David A. Haig ](/people/david-haig) George Putnam Professor of Organismic and Evolutionary Biology Associate of Dudley House ![David Haig with gray hair, a beard, wearing glasses and a suit, in front of grey background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/david_haig_crop.jpeg?itok=5h0-SS6i) [### Daniel L. Hartl ](/people/daniel-l-hartl) Higgins Professor of Biology Not Accepting Graduate Students for 2026-2027 ![Dan Hartl with gray hair and a beard wearing glasses and a blue shirt](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/dan_hartl_crop.jpeg?itok=rdmLVaR5) [### Mandë Holford ](/people/mande-holford) Professor of Organismic and Evolutionary Biology Curator of Malacology in the Museum of Comparative Zoology ![Mande Holford, smiling, with long dark hair and blue and white patterned tops, in front of dark background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/mande_holford.jpg?itok=m6_FG0Zu) [### L. Mahadevan ](/people/l-mahadevan) Lola England de Valpine Professor of Applied Mathematics, of Organismic and Evolutionary Biology and of Physics Faculty Dean of Mather House of Harvard College ![L. Mahadevan with short dark hair and beard, wearing white button down shirt, with grass and shrubs behind him](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/l_mahadevan.jpg?itok=rQFF6Kfy) [### Paul R. Moorcroft ](/people/paul-r-moorcroft) [paul\_moorcroft@harvard.edu](mailto:paul_moorcroft@harvard.edu)Sabbatical Spring 2026 Professor of Organismic and Evolutionary Biology Affiliate of Environmental Science and Engineering ![Paul Moorcroft smiling, with short hair, plaid button down, and glasses, in front of grey background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/paul_moorcroft_crop.jpeg?itok=B0uq5XYB) [### Martin A. Nowak ](/people/martin-nowak) [martin\_nowak@harvard.edu](mailto:martin_nowak@harvard.edu)On Leave Professor of Mathematics and Biology ![Martin A. Nowak wearing a suit and tie, in front of a chalkboard with equations on it](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/martin_nowak.jpg?itok=9ttO8Fd1) [### Pardis Sabeti ](/people/pardis-sabeti) Professor of Organismic and Evolutionary Biology Professor of Immunology and Infectious Diseases Institute Member, Broad Institute of MIT and Harvard Howard Hughes Medical Institute Investigator ![Pardis Sabeti smiling, with long light brown hair and black shirt, in front of grey background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/sabeti.jpg?itok=T5Y7jqyj) [### Mansi Srivastava ](/people/mansi-srivastava) Professor of Organismic and Evolutionary Biology Curator of Invertebrate Zoology in the Museum of Comparative Zoology Co-Chair of the Department of Organismic and Evolutionary Biology ![Mansi Srivistava with long, brown hair wearing a green blouse, in front of grey background](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/oeb/files/mansi_srivastava_crop.jpeg?itok=GBxFocqa) [### John Wakeley ](/people/john-wakeley) Professor of Organismic and Evolutionary Biology ![Professor John Wakeley with short hair and light shirt, standing in front of a tree](/sites/g/files/omnuum6811/files/styles/hwp_4_5__690x865/public/2025-08/Wakeley-John_Radcliffe%20copy.jpg?itok=vRbd_UnF)