1d ago

Wharton statistics professor Weijie Su joins OpenAI on academic leave to train AI models

The move coincides with Su's promotion to full professor.

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Original post

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

11:07 PM · May 29, 2026 View on X

@weijie444 welcome to the team!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
7:47 AM · May 30, 2026 · 11.7K Views

@weijie444 Awesome congrats

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
12:11 AM · May 31, 2026 · 2.6K Views

@weijie444 Congrats on all fronts!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
12:49 AM · May 31, 2026 · 1.3K Views

@weijie444 Welcome!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
6:49 AM · May 30, 2026 · 2.5K Views

So excited to have you with us! Prof density is our new measure of intelligence :p

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
10:43 PM · May 30, 2026 · 4K Views

@weijie444 Congrats Weijie!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
3:01 PM · May 30, 2026 · 1.2K Views

@weijie444 Congrats!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
12:48 PM · May 30, 2026 · 1.5K Views

@weijie444 Congratulations on both!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
6:37 PM · May 30, 2026 · 611 Views

@weijie444 Welcome!

Weijie SuWeijie Su@weijie444

Personal update: I've joined OpenAI while on leave from Wharton. After a decade away, glad to be back in the Bay Area and train AI models here! One more thing, I've been promoted to full professor, a decade-long journey made possible by many, especially my students.

6:07 AM · May 30, 2026 · 253.8K Views
1:20 AM · May 31, 2026 · 229 Views

@gdb Thanks, Greg!

Greg BrockmanGreg Brockman@gdb

@weijie444 welcome to the team!

7:47 AM · May 30, 2026 · 11.7K Views
3:28 PM · May 30, 2026 · 7K Views
Wharton statistics professor Weijie Su joins OpenAI on academic leave to train AI models · Digg