Mati Roy

Mati Roy is the Human Data Project Lead at xAI and a former OpenAI Project Manager. He promotes and works on Cryonics, Life Extension, and Existential Risks.

As the AI Tutor Project Lead at xAI since 2024, Mati is responsible for hiring project leads, managers, and AI tutors to support their Human Data Program.

Mati has been the Co-trustee at the Stasis Foundation Charitable Trust since 2021, committed to helping all reputable cryonics organizations with secure and indefinite storage of their patients. The property is permanently entrusted to facilitate biomedical research in various applications and related public education in the science of human life extension. Their core focus is to perfect the science of cryopreservation. Through research, they aim to facilitate the indefinite and reversible suspension of whole organisms, organs for transplant, DNA, and other biological specimens. One of their projects is also the development of the Timeship project.

Since 2021, Mati has also been a Member of the Trust Committee at Alcor Life Extension Foundation, serving as a trustee for the trust of certain cryonics members once and if they get cryopreserved. He is also General Advisor to Alcor. Read Cryonics is free and How many humans will have their brain preserved? Forecasts and trends.

Previously, Mati was in Project Management Support and later Technical Program Manager at OpenAI, between 2022 and 2023. He was the Human Data Technical Program Manager responsible for their Post-Training program, collecting training and eval data for ChatGPT, including multimodality for GPT-4 and GPT-4o, ChatGPT tools (such as memory, the code interpreter, file browser, DALL·E, and other), GPTs, general capabilities and personality, as well as other unreleased features. He was also working with the Superalignment team and has worked with over 30 researchers, engineers, legal team, and vendors. Watch The Future of OpenAI Features & Products — Mati Roy & Anete Dowling.

Some of his projects at OpenAI were Instruction following, GPT-4v, Custom Instructions, MyFiles_browser, DALL·E, and also wrote code to run some of Anthropic’s evaluation datasets on GPT-4 for the paper The Alignment Problem from a Deep Learning Perspective.

In 2019, Mati founded and was CEO of Pantask, a company providing virtual assistant sourcing internationally and notably supporting the Effective Altruism Community.

In 2022, Mati was also involved with the Stanford Existential Risk Initiative where he was the Operations Coordinator of the ML Alignment Theory Scholars Program.

Between 2019 and 2022, Mati was also Member of the Board of Directors and Interim CEO at Critical Care Research. They were doing research for deep hypothermia to be used in emergency medicine and cryonics. Their director of research, Dr. Steven Harris, developed a protocol that allowed dogs to recover with full health and normal brain function after 16 minutes of stopped blood circulation at normal body temperature. This research fed into protocols for stabilizing cryonics patients after cardiac arrest.

In the late 1990s, Mike Darwin and Steve Harris also invented “liquid ventilation” for rapid induction of hypothermia, described in more detail below. Steve continued the development of liquid ventilation into the 2000s, eventually heading the company Critical Care Research (CCR). CCR was spun off from 21CM after 21CM moved to other locations to accommodate its Cryobiology Division.

From 2017 until 2022, Mati was the Founding President of CryoQuébec in Montreal, Canada. He organized talks and discussions on cryonics, maintained their website, and wrote an extensive Timeline of Brain Preservation. He improved and created some wiki pages, notably the Reddit Cryonics Wiki, and The Cryonics Sign-Up Guide, and he started a blog on: LessDead.

During the tour in the summer of 2018, he visited the Cryonics Institute, Alcor, Osiris, OregonCryo, Suspended Animation, Critical Care Research, TransTime, the Vegas Underground House, and CryoBC during which he talked to about a hundred cryonicists, including many researchers, employees, or otherwise key people in the cryonics community.

Mati was contracted by Vipul Naik in 2019 to create a Timeline on Cryonics, the most comprehensive timeline on cryonics, and one of the most comprehensive and viewed timeline on the Timelines Wiki.

As Software Developer, Mati worked at Elaboration, an AI startup focused on understanding emotions, and in 2020 at Epidemic Forecasting, writing front-end code to help decision-makers during COVID.

In 2019, Mati was involved with Ought’s researchiDelegating open-ended cognitive work. His main responsibility was to manage a team of ~50 participants to test Factored Cognition—an approach to answering open-ended questions in safety via a debate framework. He also collaborated with OpenAI who were working on their approach to safety via debate.

Between 2016 and 2019, Mati was the Founding President of Altruisme Efficace Quebéc, Canada. His main responsibility was to promote and teach effective altruism and to help effective altruists in their projects and career choices. During his time as the EAQ organizer, Mati was also involved as an organizer in adjacent communities like The Macroscope, an EA/rationalist sharehouse, LessWrong Montréal, and Montreal AI Ethics.

Outside EAQ, Mati helped with various EA projects. He was the interim manager of RAISE (Road to AI Safety Excellence) for a few months, to develop an online course for AI safety. He also helped with various small projects like the Effective Altruism Group Directory, and the EA Project 4 Awesome fundraiser. He is also an admin and moderator on various online EA groups.

Mati earned his Bachelor’s Degree of Science in Engineering Physics in 2014 from the Université Laval. While there, he was involved in numerous activities, including the Festival of Science and Engineering, Physics Games, 24-Hour Challenge, and Business Idea Contest. He specialized in power electronics during his undergraduate in physics engineering. He was a representative of Laval University at the Quebec Engineering Competition (2011–2014) and a member of the writing club Cercle d’écriture de l’université Laval.

Mati was also Research Assistant at Laboratoire de robotique de l’Université Laval between 2011 and 2012 and was a Robotics Teacher at Saint-Yves primary school. He continued working at Laboratoire de robotique part-time after his internship.

He earned a Diploma of College Studies (DSC) in Health Science in 2010 from Champlain College. Mati participated in the Civilized Engineer Contest and the Expo-Sciences Bell. He also participated in the American Invitational Mathematical Exam.

After his graduation, Mati worked as Software Developer at MEDFAR Clinical Solutions in 2016 and at Léger in 2017.

Watch AGI, ASI, living forever and death with Mati Roy.

Read Second-Order Rationality, System Rationality, and a feature suggestion for LessWrong. Follow his writings on his homepage.

Visit his Homepage, LessWrong profile, Greater Wrong page, and LinkedIn profile. Follow him on Facebook, YouTube, GitHub, Instagram, and Twitter.