Linus Sebastian

Career Sebastian worked for the Canadian online computer store NCIX in various roles, including as a sales representative and product manager. He was asked to be the host for its technology YouTube channel, NCIX Tech Tips, which was created to help demonstrate products. Sebastian was assisted by an unidentified cameraperson and editor, and worked with limited resources, shooting videos with a camera borrowed from the son of the company's president. The first NCIX Tech Tips video hosted by Sebastian was uploaded on 24 July 2007. Due to high production costs, rising brand partner demands, and relatively low viewership of NCIX Tech Tips,

Seeing the opportunity in online content creation, Sebastian eventually left NCIX and founded Linus Media Group (LMG) following a dispute regarding company management. He negotiated an agreement in which he could keep Linus Tech Tips as a property of LMG for $1, as long as he signed a long-term agreement to help build an in-house NCIX video team, signed a 2-year non-compete clause, and continued to host videos for NCIX at a rate described by him as "very bargain-basement" for 2 years. On May 18, 2023, Sebastian announced that he would be stepping down as chief executive officer of Linus Media Group and its subsidiaries on July 1, 2023. He then transitioned into a role entitled Chief Vision Officer. stating that Sebastian had inappropriately demonstrated a prototype water block made by manufacturer Billet Labs by installing it on an Nvidia RTX 4090 GPU for which it was not designed for, rather than the recommended RTX 3090, and questioned the "accuracy, ethics, and responsibility" of the production. while it investigated the claims.

Sebastian was involved in the making of War of the Worlds (2025), working remotely during the COVID-19 pandemic. He was consulted as a technical advisor, and also acted a scene over webcam. Later, he remarked that he "threw out TotalBiscuit because he was one of the only names of YouTubers [he] knew."

Sebastian is an advocate of the right to repair. In September 2021, he disclosed a personal investment of nearly $225,000 in Framework Computer, a manufacturer of modular laptops which embraces this philosophy, after discussing the implications of such investment on LMG's podcast The WAN Show in July 2021.

On March 24, 2023, Sebastian declared on the Linus Tech Tips channel, that they had suffered a major session hijacking attack from opening a file containing sponsorship details, which caused them to temporarily lose all of their channels, losing revenue in the process. A video was later published on the Linus Tech Tips channel about the incident explaining that the company had downloaded a Trojan horse in the guise of a PDF file from a seemingly legitimate sponsor email, allowing for the attack.

On January 13, 2025, Sebastian made his first guest appearance on The Tonight Show Starring Jimmy Fallon where he demonstrated technology from the 2025 Consumer Electronics Show (CES). He appeared on the show again on January 15, 2026, following CES 2026.

On November 30, 2025, Linux creator Linus Torvalds appeared as guest on Linus Tech Tips.

Listicles Publisher Year Listicle Placement Inc. (magazine) 2015 Top 30 Power Players in Tech 4th

Publications

The ABC's of Gaming: An alphabet book for little gamers (2020, illustrated by Sarah Butt)