# Affiliated Researchers [### Ann Pearson ](/people/ann-pearson)PVK Professor of Arts and Sciences Murray and Martha Ross Professor of Environmental Sciences Ann Pearson's research focuses on applications of carbon, nitrogen, and hydrogen isotope geochemistry and molecular biology to biogeochemistry, oceanography, and Earth history. ![ann_1.jpg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/ann_1.jpg?itok=dmFSEb5g) [### Kemi Ashing-Giwa ](/people/kemi-ashing-giwa)Graduate Student in Geobiology, Stanford University Harvard College Class of 2022 Kemi Ashing-Giwa is a senior concentrating in Organismic and Evolutionary Biology with a secondary in Astrophysics. ![Kemi Ashing-Giwa](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/kemi.jpg?itok=fT_wWlet) [### Rui Bao ](/people/rui-bao) SNSF Postdoctoral Fellow, 2016-2018, Pearson Lab Ph.D., ETH Zurich, 2016 Rui Bao joined EPS as a postdoctoral fellow in Ann Pearson’s group. ![Bao](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/bao_cropped.jpg?itok=Xv1yt5Ap) [### Steven Beaupre ](/people/steven-beaupre) Associate Professor, School of Marine and Atmospheric Sciences, Stony Brook University Research Associate, Pearson Lab 2014 ![diamond_head_summit_5_steve.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/diamond_head_summit_5_steve.jpeg?itok=7Mj7GwuN) [### Jerome Blewett ](/people/jerome-blewett) Agouron Institute Postdoctoral Fellow in Geobiology I am a biogeochemist studying the interactions between microbial life and the environment. ![Jerome Blewett](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/jerome-2.jpg?itok=BB-ueEu9) [### Tanja Bosak ](/people/tanja-bosak) Professor, Dept. of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology Microbial Sciences Initiative Postdoctoral Fellow, 2005-2007 ![tanja.jpg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/tanja.jpg?itok=EWVAor_Z) [### Roderick Bovee ](/people/roderick-bovee) Ph.D., 2014, Pearson Lab ![roderick.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/roderick.jpeg?itok=Yg3iSpim) [### Alex Bradley ](/people/alex-bradley) Associate Professor, Department of Earth and Planetary Sciences, Washington University, St. Louis, MO Agouron Institute Fellow, 2009-2012 ![alex.jpg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/alex.jpg?itok=yz1kweZR) [### Jochen Brocks ](/people/jochen-brocks) Professor, Research School of Earth Sciences, Australian National University Junior Fellow, Dept. of OEB, 2001-2004 ![jochen.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/jochen.jpeg?itok=yF9E3arg) [### Amanda Calhoun ](/people/amanda-calhoun)Graduate Student Amanda is working on a senior thesis to better understand the origin of a unique archaeal lipid, crenarchaeol, and its significance in microbial membranes. ![Amanda Calhoun](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/acalhoun_headshot.jpg?itok=-fxwIIbK) [### José Carriquiry ](/people/jose-carriquiry) Professor, Autonomous University of Baja California Ph.D., 1991, McMaster University José received his BSc in Oceanography from the Autonomous University of Baja California, Mexico, and Ph.D. in Geology/Geochemistry from McMaster University, Canada (advisors: Drs. Mike Risk and Henry Schwarcz). ![Jose](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/jose-1.png?itok=5OfJ0RMK) [### Susan Jane Carter ](/people/susie-carter) Laboratory Manager Susie Carter was born and grew up in Falmouth, MA, to parents who met at WHOI. She graduated from Harvard in 1990 in Geological Sciences. ![Susie Carter Photo](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/susan_jane_carter_-_professional.jpg?itok=bC8yyN7w) [### Alyssa Chan ](/people/pages/undergraduate-thesis-students) Undergraduate Thesis Student, 2015-2016 ![alyssa.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/alyssa.jpeg?itok=Dl66uwGs) [### Hilary Close ](/people/hilary-close) Associate Professor, Department of Ocean Sciences, Rosenstiel School of Marine and Atmospheric Science, University of Miami Ph.D. 2012, Pearson Lab ![hilaryforweb.jpg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/hilaryforweb.jpg?itok=QZLe6bl4) [### Anne Dekas ](/people/anne-dekas) Assistant Professor of Earth System Science, Stanford University Ph.D. in Geobiology, Caltech 2012 Harvard EPS Undergraduate Thesis Student, 2003-2004 ![annedekas.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/annedekas.jpeg?itok=FoIhroqb) [### Felix Elling ](/people/felix-elling) Postdoctoral Fellow Present position: Research group leader, Leibniz Laboratory, Christian-Albrecht University of Kiel, Germany I am an organic geochemist and geobiologist studying past and present interactions of microbial life with geochemical cycles and climate from a molecular perspective. ![Felix Elling photo](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/felix_elling_-_professional.jpg?itok=wiZfc93L) [### Woody Fischer ](/people/woody-fischer) Professor of Geobiology in Geological and Planetary Sciences, Caltech Ph.D. 2007, Knoll Lab ![woody.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/woody.jpeg?itok=ex8ej2g4) [### Meredith Fisher ](/people/meredith-fisher)Director of Technology and Business Development, Enlight Biosciences Ph.D. 2007, Cavanaugh Lab ![meredith.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/meredith.jpeg?itok=cgsN3_nm) [### Patricia Fuentes-Cross ](/people/patricia-fuentes-cross) Administrator ![patricia.jpeg](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/patricia.jpeg?itok=WD5ZYiL0) [### Ana Camila Gonzalez-Nayeck ](/people/ana-camila-gonzalez-valdes) Ph.D., Pearson Lab, 2023 Ana’s PhD research deals with the carbon isotopic composition of organic compounds in microbial mats. ![AC Gonzalez Valdes](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/ana.jpg?itok=MtZdR--O) - Previous page chevron\_left - [1](?page=0 "Current page") - [2](?page=1 "Go to page 2") - [3](?page=2 "Go to page 3") - [4](?page=3 "Go to page 4") - [ Next page chevron\_right ](?page=1 "Go to next page")