Joey Hejna

PhD student, Computer Science, Stanford University

Joined

September 2020

Names

Joey Hejna (Preferred)

Donald Joseph Hejna III

Emails

****@berkeley.edu (Confirmed)

****@stanford.edu (Confirmed)

****@gmail.com (Confirmed)

****@cs.stanford.edu (Confirmed)

****@google.com

****@physicalintelligence.company (Confirmed)

****@anysphere.co

Personal Links

Homepage

Google Scholar

DBLP

Career & Education History

PhD student

Computer Science, Stanford University (stanford.edu)

2021 – 2026

Intern

Google (google.com)

2024 – 2024

Undergrad student

University of California Berkeley (berkeley.edu)

2017 – 2021

Advisors, Relations & Conflicts

PhD Advisor

Dorsa Sadigh

2021 – Present

Coauthor

Pieter Abbeel

2019 – 2021

Coauthor

Lerrel Pinto

2019 – 2021

Expertise

No areas of expertise listed

Publications

Scaffolding Dexterous Manipulation with Vision Language Models
Vincent de Bakker, Joey Hejna, Tyler Ga Wei Lum, Onur Celik, Aleksandar Taranovic, Denis Blessing, Gerhard Neumann, Jeannette Bohg, Dorsa Sadigh
- Dex-RSS-25
- Readers: Everyone
Scaffolding Dexterous Manipulation with Vision-Language Models
Vincent de Bakker, Joey Hejna, Tyler Ga Wei Lum, Onur Celik, Aleksandar Taranovic, Denis Blessing, Gerhard Neumann, Jeannette Bohg, Dorsa Sadigh
- NeurIPS 2025 poster
- Readers: Everyone
Data Retrieval with Importance Weights for Few-Shot Imitation Learning
Amber Xie, Rahul Chand, Dorsa Sadigh, Joey Hejna
- CoRL 2025 Oral
- Readers: Everyone
ReMix: Optimizing Data Mixtures for Large Scale Imitation Learning
Joey Hejna, Chethan Anand Bhateja, Karl Pertsch, Dorsa Sadigh
- CoRL-X-Embodiment-WS 2024 Poster
- Readers: Everyone
MotIF: Motion Instruction Fine-tuning
Minyoung Hwang, Joey Hejna, Dorsa Sadigh, Yonatan Bisk
- LEAP 2024 Poster
- Readers: Everyone
Vision Language Models are In-Context Value Learners
Yecheng Jason Ma, Joey Hejna, Chuyuan Fu, Dhruv Shah, Jacky Liang, Zhuo Xu, Sean Kirmani, Peng Xu, Danny Driess, Ted Xiao, Osbert Bastani, Dinesh Jayaraman, Wenhao Yu, Tingnan Zhang, Dorsa Sadigh, Fei Xia
- ICLR 2025 Spotlight
- Readers: Everyone
Aligning Language Models with Demonstrated Feedback
Omar Shaikh, Michelle S. Lam, Joey Hejna, Yijia Shao, Hyundong Justin Cho, Michael S. Bernstein, Diyi Yang
- ICLR 2025 Poster
- Readers: Everyone
DROID: A Large-Scale In-The-Wild Robot Manipulation Dataset
Alexander Khazatsky, Karl Pertsch, Suraj Nair, Ashwin Balakrishna, Sudeep Dasari, Siddharth Karamcheti, Soroush Nasiriany, Mohan Kumar Srirama, Lawrence Yunliang Chen, Kirsty Ellis, Peter David Fagan, Joey Hejna, Masha Itkina, Marion Lepert, Yecheng Jason Ma, Patrick Tree Miller, Jimmy Wu, Suneel Belkhale, Shivin Dass, Huy Ha et al. (78 additional authors not shown)
- DGR@RSS2024 Poster
- Readers: Everyone
So You Think You Can Scale Up Autonomous Robot Data Collection?
Suvir Mirchandani, Suneel Belkhale, Joey Hejna, Evelyn Choi, Md Sazzad Islam, Dorsa Sadigh
- CoRL 2024
- Readers: Everyone
ReMix: Optimizing Data Mixtures for Large Scale Imitation Learning
Joey Hejna, Chethan Anand Bhateja, Yichen Jiang, Karl Pertsch, Dorsa Sadigh
- CoRL 2024
- Readers: Everyone

View all 43 publications

Co-Authors

View all 320 co-authors