#  People  

 



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 ![Fun Photos Collage!](/sites/g/files/omnuum436/files/pearson/files/draft2_of_eps_fun_photos_collage.png)

 



 

 

 

 

 

##  Faculty 

 



  [### 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) 

 

 

 

   [### Hong Yang

 ](/people/hong-yang) [Hong\_yang@radcliffe.harvard.edu](mailto:Hong_yang@radcliffe.harvard.edu)William and Flora Hewlett Foundation Fellow at Harvard Radcliffe Institute for Advanced Study, 2022-2023

Charles J. Smiley Professor of Environmental Sciences at Bryant University

 

 

Hong Yang ‘s intellectual interests lie in the study of the force, rate, and impact of global climate change, Earth system evolution, and international education.



 

 

      ![Hong Yang](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/hong_yang.jpg?itok=6CE8Gv8n) 

 

 

 

  

 

 

 

 

##  Staff 

 



  [### Susan Jane Carter

 ](/people/susie-carter) <sjcarter@fas.harvard.edu>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) 

 

 

 

   [### Kathy Paras

 ](/people/kathy-paras) <kparas@fas.harvard.edu>Research Group Coordinator

 

 

 

      ![kathy](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/2024-07/headshot.jpg?itok=P7_tiY_U) 

 

 

 

  

 

 

 

 

##  Postdoctoral Researchers 

 



  [### Jerome Blewett

 ](/people/jerome-blewett) <jeromeblewett@fas.harvard.edu>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) 

 

 

 

  

 

 

 

 

##  Graduate Students 

 



  [### 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) 

 

 

 

   [### Katherine Keller

 ](/people/katherine-keller) <katherinekeller@g.harvard.edu>5th Year Ph.D Student

 

 

Katherine received her BA in Environmental Chemistry from Columbia University in 2014.



 

 

      ![Katherine Keller photo](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/katherine_keller_-_professional_2_0.jpg?itok=4xrRxGV_) 

 

 

 

  

 

 

 

 

##  Undergraduate Students 

 



  [### Raisha Rahman

 ](/people/raisha-rahman)Harvard College Class of 2023

 

 

Raisha Rahman is a senior at Harvard College pursuing a joint degree in Chemistry and Earth &amp; Planetary Sciences.



 

 

      ![Raisha Rahman](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/pearson/files/raisha.jpg?itok=-_9GqMwW) 

 

 

 

   [### Lorelei Wolf

 ](/people/lorelei-wolf) <loreleiwolf@college.harvard.edu>Lab Technician and Postbac Fellow

 

 

Lorelei Wolf is a junior at Harvard College concentrating in Earth and Planetary Sciences and pursuing a secondary in Integrative Biology.



 

 

      ![Lorelei Wolf](/sites/g/files/omnuum436/files/styles/hwp_4_5__690x865/public/2024-10/Wolf_Lorelei_12.jpg?itok=G2NmGD7p) 

 

 

 

  

 

 

 

 

 [ Former Lab Members arrow\_circle\_right ](/former-lab-members)