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**Jill Catherine Pipher** (b. December 14 1955 in Harrisburg, Pennsylvania) was the president of the American Mathematical Society. She began a two-year term in 2019.^{[1]} She is also the past-president of the Association for Women in Mathematics (AWM, 2011–2013), and she was the first director of the Institute for Computational and Experimental Research in Mathematics (ICERM, 2011–2016), an NSF-funded mathematics institute based in Providence, Rhode Island.

Jill C. Pipher | |
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Nationality | American |

Alma mater | University of California, Los Angeles |

Scientific career | |

Fields | Mathematics |

Institutions | Brown University |

Doctoral advisor | John B. Garnett |

Pipher's work has been in harmonic analysis, Fourier analysis, partial differential equations, and cryptography. She has published more than 50 research articles and has coauthored with Jeffrey Hoffstein and Joseph Silverman a textbook titled *An Introduction to Mathematical Cryptography*.^{[2]}

Pipher is currently the Elisha Benjamin Andrews Professor of Mathematics at Brown University. She received a B.A. from the University of California, Los Angeles in 1979 and a Ph.D. from UCLA in 1985 under the direction of John B. Garnett.^{[3]} She taught at the University of Chicago (1985–1990) before taking a position at Brown in 1990, where she served as chair of the Mathematics Department from 2005 to 2008.

In 1996, Pipher, along with Jeffrey Hoffstein, Daniel Lieman and Joseph Silverman, founded NTRU Cryptosystems, Inc. to market their cryptographic algorithms, NTRUEncrypt and NTRUSign.

In 2012 she became a fellow of the American Mathematical Society.^{[4]} In 2017, she was selected as a fellow of the Association for Women in Mathematics in the inaugural class.^{[5]} In 2019 she was named a SIAM Fellow "for her profound contributions in analysis and partial differential equations, groundbreaking work in public key cryptography, and outstanding scientific leadership".^{[6]} She was named to the 2021 class of Fellows of the American Association for the Advancement of Science.^{[7]}

In 2014 Pipher was a Mathematical Association of America Invited Lecturer at the Joint Mathematics Meetings, speaking on *The Mathematics of Lattice-based Cryptography*^{[8]} The Association for Women in Mathematics named her as their Noether Lecturer for 2018.^{[9]}

In 2017, she was elected to a two-year term as president of the American Mathematical Society, to begin in 2019.^{[10]}

**^**"Officers of the American Mathematical Society". Retrieved 2019-03-13.**^***An Introduction to Mathematical Cryptography | Jeffrey Hoffstein | Springer*.**^**Jill Pipher at the Mathematics Genealogy Project**^**List of Fellows of the American Mathematical Society, retrieved 2013-05-05.**^**"2018 Inaugural Class of AWM Fellows".*awm-math.org/awards/awm-fellows/2018-awm-fellows*. Association for Women in Mathematics. Retrieved 9 January 2021.**^**"SIAM Fellows Class of 2019". Retrieved 2019-09-01.**^**"2021 Fellows". American Association for the Advancement of Science. Retrieved 2022-01-28.**^**Pipher, Jill. "2014 Joint Mathematics Meetings Highlighted Speakers". American Mathematical Society. Retrieved 23 May 2014.**^**Jill Pipher named 2018 Noether Lecturer, Association for Women in Mathematics, retrieved 2017-08-05.**^**"Pipher to become president of the American Mathematical Society". Retrieved 2017-12-09.

- Jill Pipher's home page
- Five Questions With: Jill Pipher
- Jill Pipher publications indexed by Google Scholar