What significant roles has Marissa A. Barrera held throughout her career?
Marissa A. Barrera has held positions at Yeshiva University, served as a senior Vice President at the CISO Office of Citigroup, and held appointments at institutions like the Mathematical Sciences Research Institute and the Institute for Advanced Study in Princeton.
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### Instruction:
What significant roles has Marissa A. Barrera held throughout her career?

### Input: Not applicable

### Response:
Marissa A. Barrera has held positions at Yeshiva University, served as a senior Vice President at the CISO Office of Citigroup, and held appointments at institutions like the Mathematical Sciences Research Institute and the Institute for Advanced Study in Princeton.<|im_end|>