People of CHEXS
![CHEXS Scientists](/sites/default/files/styles/large/public/2021-01/louise_chess_web.jpg?itok=oIc0IoXs)
CHEXS Leadership
![Joel Brock](/sites/default/files/styles/person_thumbnail/public/2017-11/joel_brock.jpg?itok=kKdga93Z)
Joel Brock - CHEXS
Principal Investigator, CHEXS
607-255-9006
CHESSDirector@cornell.edu
![Matt Miller](/sites/default/files/styles/person_thumbnail/public/2017-11/matt_miller_0.jpg?itok=bygY17GS)
Matt Miller - CHEXS
co-Principal Investigator, CHEXS
607-255-0400
mpm4@cornell.edu
![Jacob Ruff](/sites/default/files/styles/person_thumbnail/public/2017-11/jacob_ruff.jpg?itok=7ZSVB-rS)
Jacob Ruff - CHEXS
Director, CHEXS
607-255-2538
jpr243@cornell.edu
Twitter: @jpcruff
CHEXS Staff Scientists
![Louise Debefve](/sites/default/files/styles/person_thumbnail/public/2024-06/louise_debefve_directory.jpg?itok=K3aded_X)
Louise Debefve
Staff Scientist - HMF
607-255-1061
lmd252@cornell.edu
![Sasha Temnykh](/sites/default/files/styles/person_thumbnail/public/2019-10/temnykh.jpg?itok=aQ_pAIV8)
Sasha Temnykh
Staff Scientist
607-255-8780
abt6@cornell.edu
![Zhongwu Wang](/sites/default/files/styles/person_thumbnail/public/2017-11/zhongwu_wang.jpg?itok=_1-sUIZG)
Zhongwu Wang
Staff Scientist - FlexX
607-255-3551
zw42@cornell.edu
Postdocs of CHEXS
![Purnima Ghale](/sites/default/files/styles/person_thumbnail/public/2020-10/purnimaghale_headshot_042020.jpg?itok=pY9WZgJd)
Purnima Ghale
Post Doc - QM2
pg472@cornell.edu
![Sven Gustfason](/sites/default/files/styles/person_thumbnail/public/2024-06/sven_gustfason_directory.jpg?itok=a35ZV3BJ)
Sven Gustafson
Post-doc
seg246@cornell.edu
Students of CHEXS
![Wiley Kade Kirks](/sites/default/files/styles/person_thumbnail/public/2024-05/wiley_kade_kirks.jpg?itok=Jc2fjbQA)
Wiley Kade Kirks
Graduate Student
wkk32@cornell.edu
![Raley Jin Lin Schweinfurth](/sites/default/files/styles/person_thumbnail/public/2024-05/raley_jin_lin_schweinfurth.jpg?itok=MspS_8IO)
Raley Jin Lin Schweinfurth
Graduate Student
rjs532@cornell.edu