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CAEM Faculty Directory
![Bob Arnold](https://caem.engineering.arizona.edu/sites/caem.engineering.arizona.edu/files/styles/profile_image/public/images/people/profile_arnold-bob_144x160px.jpg?itok=OOgM0uAI)
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Professor Emeritus of Chemical and Environmental Engineering
![](https://caem.engineering.arizona.edu/sites/caem.engineering.arizona.edu/files/styles/profile_image/public/images/people/alibehrangi.jpg?itok=2KmOJ3Cn)
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Professor of Hydrology and Atmospheric Sciences
![Jim Farrell](https://caem.engineering.arizona.edu/sites/caem.engineering.arizona.edu/files/styles/profile_image/public/images/people/201804698-farrell-james-811_46211212052_o.jpg?itok=5sVfw15B)
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Professor of Chemical and Environmental Engineering
![](https://caem.engineering.arizona.edu/sites/caem.engineering.arizona.edu/files/styles/profile_image/public/default_images/_blank_4.jpg?itok=bFxWgnom)
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Professor of Systems and Industrial Engineering
![](https://caem.engineering.arizona.edu/sites/caem.engineering.arizona.edu/files/styles/profile_image/public/default_images/_blank_4.jpg?itok=bFxWgnom)
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Professor of Hydrology and Atmospheric Sciences