Chorin's work involves developing methods for solving physics and fluid mechanics problems computationally.

[4] In recent years he has been developing methods for prediction in the face of uncertainty [5] and for filtering and data assimilation.

Chorin came to the United States at 23 for graduate studies, nurturing his interest in fluid dynamics by working on the equations responsible for predicting ocean tides.

Physics degree from the EPFL (École Polytechnique Fédérale de Lausanne) in 1961, an M.S.

[11][12] He is a member of the US National Academy of Sciences and a fellow of the American Academy of Arts and Sciences, the Society for Industrial and Applied Mathematics, and the American Mathematical Society.