Yale University

Juntang Zhuang leads pretraining at xAI and previously worked at OpenAI. His homepage highlights Grok pretraining work and contributions to GPT-4o, GPT-4 Turbo long-context, DALL-E 3, and OpenAI embeddings.

Member of Technical Staff at Anthropic working on reinforcement learning for LLMs; previously at Meta FAIR and the Kempner Institute at Harvard, with a Ph.D. from NYU and undergraduate study at Yale.

TTIC and William Merrill's homepage describe him as currently at the Allen Institute for AI and incoming to TTIC in Fall 2026 after a PhD from New York University. Public profile pages describe research spanning transformer expressivity, formal language theory, computational linguistics, and language models.

William Merrill is a Young Investigator at the Allen Institute for AI and an incoming assistant professor at TTIC. His public faculty profile describes research on the computational power and limits of transformers, computational linguistics, and deep learning theory.

Zhiruo Wang is a principal researcher at Microsoft working on efficient, effective, and responsible natural language intelligence. His homepage says he received a PhD in Computer Science from Yale University in 2024.

Juntang Zhuang

David Brandfonbrener

William Merrill

Will Merrill

Zhiruo Wang