Jörn Callies


Jörn is Assistant Professor for Environmental Science and Engineering in the Division of Geological and Planetary Sciences at Caltech. He holds a M.Sc. degree from the University of Hamburg, Germany, and a Ph.D. from the MIT–WHOI Joint Program in Oceanography.

Joseph Fitzgerald

Joe is joining the group in 2018 as Stanback Postdoctoral Scholar in Environment Science and Engineering.

Anirban Sinha

Anirban is joining the group in January 2019 as a postdoc, planning to work on the large-scale impact of submesoscale turbulence. He is currently finishing up his Ph.D. at Columbia University.

Xiaozhou Ruan


Xiaozhou is a graduate student in the Environmental Science and Engineering program. He is working in the group on a project investigating the role of canyons and submesoscale instabilities in the water mass transformation in the abyssal ocean.

Bryan Kaiser


Bryan is a graduate student in the MIT–WHOI Joint Program in Oceanography and visitor to the group. He is working on turbulence in bottom boundary layers on slopes.

Weiguang (Roger) Wu


Roger is an undergraduate at UCSD and working in the group as a SURF student in 2018. He is analyzing existing altimetry and in situ data to better understand what to expect from the upcoming SWOT mission.