Ryan J. Tibshirani
| Ryan J. Tibshirani | |
|---|---|
| Born | December 15, 1985 Toronto, Canada |
| 🎓 Alma mater | Stanford University (BS, PhD) |
| 💼 Occupation | |
| Known for | Generalized lasso; trend filtering, conformal prediction |
| 🏅 Awards | COPSS Presidents' Award (2023); Mortimer Spiegelman Award (2022); Fellow of the Institute of Mathematical Statistics (2022); NSF CAREER Award (2016) |
| 🌐 Website | www |
Ryan Joseph Tibshirani (born December 15, 1985) is a professor and chair of the Department of Statistics at the University of California, Berkeley.[1][2] His work spans high-dimensional statistics, nonparametric estimation, distribution-free inference, convex optimization, and epidemic tracking and forecasting.[2]
Early life and education
Tibshirani was born on December 15, 1985 in Toronto, Canada. Tibshirani earned a B.S. in Mathematics from Stanford University in 2007 and a Ph.D. in Statistics from Stanford in 2011; his dissertation, The Solution Path of the Generalized Lasso, was advised by Jonathan Taylor.[3][4]
Career
From 2011 to 2022, Tibshirani was a faculty member in the Department of Statistics and Department of Machine Learning at Carnegie Mellon University (CMU).[5] He joined UC Berkeley in 2022 and became department chair effective July 1, 2025.[1]
Tibshirani is a principal investigator with the Delphi Research Group, which develops public-health surveillance and forecasting systems in partnership with the Centers for Disease Control and Prevention (CDC).[6]
In 2024, he became founding co–Editor-in-Chief of Foundations and Trends in Statistics with Rina Foygel Barber.[7]
Research
Tibshirani’s research focuses on methodology and theory for high-dimensional and nonparametric problems, often connecting statistical inference with convex optimization. He has made important contributions to regularization and sparsity methods, including the lasso, generalized lasso, and trend filtering, developing both theoretical guarantees and efficient algorithms.[8][9] He has also contributed to distribution-free predictive inference (conformal prediction) and to epidemic modeling and forecasting.[10]
Awards and honors
- COPSS Presidents' Award (2023).[11][12]
- Mortimer Spiegelman Award, American Public Health Association (2022).[13][14]
- Fellow, Institute of Mathematical Statistics (2022).[15][16]
- NSF CAREER Award (2016).[17]
- AAPOR Policy Impact Award and Warren J. Mitofsky Innovators Award (both 2022), as part of the COVID-19 Trends and Impact Survey (Delphi Group/UMD/Meta) team.[18][19]
- ASA Statistical Partnerships Among Academe, Industry, and Government (SPAIG) Award (2021), with the Delphi COVIDcast collaborators.[20][21]
- Carnegie Mellon University Teaching Innovation Award (2017).[22]
Personal life
Ryan Tibshirani is the son of statistician Robert Tibshirani with brother Charlie Tibshirani and younger sister Julie Tibshirani, who is a co-creator of the R package Generalized Random Forest package. [23] He is married to Jessica Isner and they have two children. Tibshirani enjoys playing piano and writing music.[24]
Selected publications
- Tibshirani, Ryan J.; Taylor, Jonathan (2011). "The solution path of the generalized lasso" (PDF). Annals of Statistics. 39 (3): 1335–1371. doi:10.1214/11-AOS878.
- Tibshirani, Ryan J. (2014). "Adaptive piecewise polynomial estimation via trend filtering". Annals of Statistics. 42 (1): 285–323. arXiv:1304.2986. doi:10.1214/13-AOS1189.
- Wang, Yu-Xiang; Smola, Alex J.; Tibshirani, Ryan J. (2016). "Trend Filtering on Graphs". Journal of Machine Learning Research. 17: 1–41.
- Barber, Rina Foygel; Candès, Emmanuel J.; Ramdas, Aaditya; Tibshirani, Ryan J. (2021). "Predictive inference with the jackknife+". Annals of Statistics. 49 (1): 486–507. doi:10.1214/20-AOS1965.
External links
- Official website
- Ryan Tibshirani publications indexed by Google Scholar
References
- ↑ 1.0 1.1 "Tibshirani Named Chair". UC Berkeley Statistics. June 18, 2025. Retrieved August 8, 2025.
- ↑ 2.0 2.1 "Ryan Tibshirani". UC Berkeley Statistics. Retrieved August 8, 2025.
- ↑ "Ryan Tibshirani". Stanford Department of Statistics. Retrieved August 8, 2025.
- ↑ Tibshirani, Ryan J. (2011). The Solution Path of the Generalized Lasso (PDF) (PhD thesis). Stanford University.
- ↑ "Ryan Tibshirani (archived CMU profile)". Carnegie Mellon University. Retrieved August 8, 2025.
- ↑ "Delphi Group Awarded $17.5 million from CDC". UC Berkeley Statistics. November 15, 2023. Retrieved August 8, 2025.
- ↑ "Foundations and Trends in Statistics — Editorial Board". Now Publishers. Retrieved August 8, 2025.
- ↑ See, e.g., Tibshirani, Ryan J. (2014). "Adaptive piecewise polynomial estimation via trend filtering". Annals of Statistics. 42 (1): 285–323. arXiv:1304.2986. doi:10.1214/13-AOS1189.; and Wang, Yu-Xiang; Smola, Alex J.; Tibshirani, Ryan J. (2016). "Trend Filtering on Graphs". Journal of Machine Learning Research. 17: 1–41..
- ↑ Tibshirani, Ryan J.; Taylor, Jonathan (2011). "The solution path of the generalized lasso" (PDF). Annals of Statistics. 39 (3): 1335–1371. doi:10.1214/11-AOS878.
- ↑ "Ryan Tibshirani – Research". UC Berkeley Statistics. Retrieved August 8, 2025.
- ↑ "2023 COPSS Presidents' Award: Ryan Tibshirani". Institute of Mathematical Statistics. August 31, 2023. Retrieved August 8, 2025.
- ↑ "Presidents' Award". Committee of Presidents of Statistical Societies. Retrieved August 8, 2025.
- ↑ "Mortimer Spiegelman Award — Past Winners". APHA Applied Public Health Statistics Section. Retrieved August 8, 2025.
- ↑ "Ryan Tibshirani Recipient of the 2022 Mortimer Spiegelman Award". UC Berkeley Statistics. August 30, 2022. Retrieved August 8, 2025.
- ↑ "2022 IMS Fellows Announced". Institute of Mathematical Statistics. April 22, 2022. Retrieved August 8, 2025.
- ↑ "Rinaldo and Tibshirani Selected as 2022 IMS Fellows". Carnegie Mellon University. April 25, 2022. Retrieved August 8, 2025.
- ↑ "Two CMU Statistics Professors Earn NSF CAREER Awards". Carnegie Mellon University. February 22, 2016. Retrieved August 8, 2025.
- ↑ "2022 Award Winners". AAPOR. December 7, 2022. Retrieved August 8, 2025.
- ↑ "Delphi Group, University of Maryland, Meta Honored for AAPOR Awards". CMU School of Computer Science. April 20, 2022. Retrieved August 8, 2025.
- ↑ "Delphi Research Group, Collaborators Honored for COVIDcast". Carnegie Mellon University. May 12, 2021. Retrieved August 8, 2025.
- ↑ "2021 SPAIG Award" (PDF). Amstat News. October 2021. Retrieved August 8, 2025.
- ↑ "Teaching Innovation Award – Past Recipients". Carnegie Mellon University. Retrieved August 8, 2025.
- ↑ "Generalized Random Forest". Retrieved August 9, 2025.
- ↑ "Other". UC Berkeley. Retrieved August 9, 2025.
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