| 2024-present | Assoc. Professor | NYU | Courant Institute | ||
| 2022-2025 | Research Partner | Andreessen-Horowitz | a16z crypto research | ||
| 2017-2024 | Asst. Professor | NYU | Courant Institute | ||
| 2021-2022 | Assoc. Professor | University of Melbourne | CIS | ||
| 2015-2016 | Postdoc | Stanford | Applied Crypto Group | (Dan Boneh) | |
| 2014-2017 | Technology Fellow | EFF | (Peter Eckersley, R.I.P.) | ||
| 2014-2015 | Postdoc | Princeton | CITP | (Arvind Narayanan) | |
| 2012-2014 | Engineer | Security Team | |||
| 2008-2012 | PhD student | Cambridge | Security Group | (Ross Anderson, R.I.P.) | |
| 2007-2008 | Cryptographer | Cryptography Research | |||
| 2002-2006 | BS, MS student | Stanford | Computer Science |