@gleleytner find everything about grigoriy leleythner
A best-effort review of indexed public professional sources as of 2026-09-04. Ten verified public facts, 2019–2025, drawn from employer pages, conference biographies, event listings and one publication record — covering education and teaching at MIPT and Deep Learning School, speech ML for Salyut assistants, and ML leadership for GigaChat. The handle @gleleytner itself could not be independently verified from indexed public pages.
Well corroborated as Russian «Григорий Лелейтнер» and English “Gregory Leleytner” (not usually “Leleythner”). The exact handle @gleleytner could not be independently verified from indexed public pages and is not proof of ownership.
An official Sber vacancy page identifies him as Head of ML, GigaChat (developers.sber.ru); a 2023 conference biography says he led the GigaChat ML team training LLMs and deploying them to production (highload.ru).
Previously trained speech-recognition and keyword-detection models for Salyut voice assistants (highload.ru). Earlier an FPIM/FIVT MIPT student and Deep Learning School instructor, including a 2019 seminar on linear models (academy.megafon.tj, samcs.ru).
Presented “What we improved in the LLM pre-training process” at the 2023 SberDevices “Salut, GigaChat!” meetup (habr.com) and appeared in the 2024 GigaChat.Pretrain session as Head of ML Development (proglib.io).
Credited in 2025 on “GigaChat Family: Efficient Russian Language Modeling Through Mixture of Experts Architecture”, with author contributions in both pre-training and supervised fine-tuning (2025.aclweb.org).
One conference page also labels him “Executive Director”; the organizational scope is not stated, so the title is flagged rather than harmonized (highload.ru). Weak or likely conflated results — unrelated biology papers, coding-contest entries, uncorroborated papers — were omitted.
| Date | Category | Verified public fact | Affiliation or venue | Evidence | Source |
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Method: curated verified timeline of 10 public-record facts about one person, compiled from indexed public professional pages as of 2026-09-04. Each row is one fact with its category, evidence type and source URL; 4 of 10 carry an explicit date, the rest are placed on the timeline by career phase. This is a best-effort review of indexed public sources — not literally all information, and not proof that the handle @gleleytner belongs to this person. Weak or likely conflated results (unrelated namesakes, biology papers, contest entries) were cut.