# Contributions

T5X was developed as part of the T5 Infrastructure effort at Google Research.

Adam Roberts founded and leads the project, designed and wrote much of `seqio`
and `t5x`, and co-authored the
[T5X and SeqIO paper](https://arxiv.org/abs/2203.17189). Hyung Won Chung
designed and wrote much of `t5x`, led its open sourcing, and co-authored the
paper. Anselm Levskaya built the initial prototype for `t5x` and wrote much of
the code. Gaurav Mishra leads `seqio`, implemented deterministic pipelines, and
co-authored the paper. James Bradbury implemented partitioning in `t5x` and
co-wrote the paper.

Daniel Andor, Sharan Narang, Brian Lester, Colin Gaffney, Afroz Mohiuddin,
Curtis Hawthorne, Aitor Lewkowycz, Alex Salcianu, Marc van Zee, Jacob Austin,
Sebastian Good-man, Livio Baldini Soares, Haitang Hu, Sasha Tsvyashchenko,
Aakanksha Chowdhery, Jasmijn Bastings, Jannis Bulian, Xavier Garcia, Jianmo Ni,
Andrew Chen, Kathleen Kenealy, Kehang Han, Jonathan H. Clark, Stephan Lee, Dan
Garrette, and James Lee-Thorp made substantial code contributions.

Colin Raffel and Noam Shazeer helped design `seqio`. Marvin Ritter advised on
deterministic pipelines and the use of CLU Metrics. Maarten Bosma helped design
deterministic pipelines. Jeremy Maitin-Shepard advised on the use of
TensorStore. Alexandre Passos and Ryan Sepassi advised on overall technical
design.

Noah Fiedel is a member of the leadership team, contributed to the high level
design and roadmap, and co-wrote the paper. Mark Omernick, Brennan Saeta, Ryan
Sepassi, Alexander Spiridonov (Product Manager), and Josh Newlan (Technical
Program Manager) are members of the leadership team and co-wrote the paper.
Andrea Gesmundo is a member of the leadership team and contributed to the
internal infrastructure component.

Thanks to the many other contributors to the project: Ian Simon, Reiner Pope,
Vincent Zhao, Pierre Ruyssen, Linting Xue, Junwhan Ahn, Barret Zoph, David
Dohan, Masumi Parekh, Chang Lan, Frederick Liu, Julien Amelot, Luheng He, Fede
Lebron, RebeccaChen, Anosh Raj, Mandy Guo, Ethan Dyer, Mihai Tiuca, Hongkun Yu,
Kevin Brooks, David Soergel, Kelvin Guu, Joshua Ainslie, Luyao Xu, Ji Ma, Josh
Gardner, Daphne Ippolito, Peter Hawkins, Bo Pang, Marc Rasi, Wei Li, Wenhu Chen,
Iulia Turc, John Wieting, Alex Passos, Zonglin Li, Katie Everett, Olivier
Bachem, Francesco Piccinno, Jakub Adamek, Jonathan Heek, Parker Schuh, Hexiang
Hu, Du Phan, Max Moroz, David Miller, Ryan Doherty, David Elworthy, Alfonso
Casta ̃no, Julian Eisenschlos, Vlad-Doru Ion, Lucas Dixon, Ron Shapiro, Dinghua
Li, Aaron Parisi, Xi Chen, Nan Ding, Chung-ching Chang, Timothy Dozat, Natalia
Ponomareva, Delesley Hutchins, Ankush Garg, Yu-Han Liu, Mehrdad Khatir, Costanza
Conforti, Philipp Keck, Rapha ̈el Marinier, Marie Pellat, Raghuram Vadapalli,
Joshua Maynez, Yi Tay, Xihui Wu, David Belanger, Luke Metz, Dan Zheng, Deepti
Bhatia, Hariharan Shanmugavadivel, Rewon Child, Rigel Swavely, Mihir Sanjay
Kale, Arash Afkanpour, Roberto Rama, Juro Gottweis, Jonathan Herzig, Yilei Yang,
Elias Mizan, Pedram Pejman, Jiayu Ye, Smit Sanghavi, Rahul Joshi, Ziqiang Feng,
Charles Sutton, Weikang Zhou, Liam Fedus, Shanqing Cai, Ginger Perng, Yash
Katariya, Urvashi Khandelwal, Sebastian Gehrmann, Edward Loper, Tianze Shi, Luke
Vilnis, Amelia Archer, Tom Weingarten, David Zats, Murtaza Dhuliawala, Xin Xie,
Sahil Dua, Andr ́e SusanoPinto, Piotr Padlewski, Sascha Rothe, Erik Aas, Felix
Stahlberg, Ken Durden, Christina Sorokin, Jaehoon Lee, Roy Frostig, Jacob
Devlin, Jorge Gonzalez Mendez, Deepak Ramachandran, Santiago Ontanon, Karthik
Raman, Yi Sun, Ali Elqursh, Reuben La Haye,Adam Fahrenkopf, Alex Polozov, Vinay
Ramasesh, Ian Tenney.

Thanks to NVIDIA for GPU contributions: Sahil Jain, Terry Kong, Yu-Hang Tang, 
Ming Huang, Frederic Bastien, Sharath Turuvekere Sreenivas, Xiaowei Ren, Ryan Jeng,
 Reese Wang

Thanks to Douglas Eck and Zoubin Ghahramani for sponsoring the project.