Dan Stemkoski

Daniel Ray Stemkoski (born April 6, 1983), better known by his nickname Artosis, is an American professional esports commentator and Twitch streamer. Stemkoski moved to Seoul, South Korea to commentate competitive Starcraft games in English. Together with Nick "Tasteless" Plott, he provides commentary for AfreecaTV StarCraft League games (and AfreecaTV Global StarCraft II League games until 2022).

Early life

Artosis was raised in Salem, New Hampshire. In his youth, his interests included skateboarding, basketball, chess tournaments, and competitive strategy games. in South Korea, after Nick Plott. The Verges Paul Miller referred to Tastosis as "the primary practitioners of StarCraft casting". A crowdfunded documentary about their careers, Sons of StarCraft, was released in early 2013.

Artosis and Tasteless prepare separately, with Artosis constantly watching StarCraft matches and Tasteless studying commentary from non-traditional sports and major StarCraft news. Australian and Oceania finals, and UK nationals, DreamHack Winter 2011, IGN Pro League Season Two, and Major League Gaming 2012 Spring Arena, Raleigh, and 2011 Orlando. Artosis cast solo at the 2013 DreamHack Open in Stockholm.

Two in-game Easter egg characters in StarCraft II: Heart of the Swarm are named after the casters.

On his YouTube channel "ArtosisTV", he regularly uploads content related to StarCraft and StarCraft II. As of February 2026 the channel has over 147,000 subscribers. In addition, he has a secondary YouTube channel named ArtosisCasts, on which he uploads daily casts of numerous StarCraft matches that primarily involve professional players. As of February 2026 the channel has over 70,000 subscribers.

Artosis and Tasteless both cast for the AfreecaTV StarCraft League from 2016 to 2020. On 3 March 2021, it was announced by AfreecaTV that they would be discontinuing the English casts of the event. However, through Patreon support, the two were given permission to cast over VODs of the events, and have them uploaded onto the official AfreecaTV eSports YouTube channel. Additionally, Artosis cast his final GSL Code S Tournament, which had been a hallmark of Korean Starcraft II Tournaments, on October 15, 2022, after which he departed from Korea to move to Canada.

Artosis regularly streams his StarCraft gameplay on his Twitch channel. Artosis's main sources of income are from venues like Twitch subscriptions, Patreon,

Hearthstone career

Artosis began playing the Blizzard Entertainment online collectible card game Hearthstone: Heroes of Warcraft during its closed beta in 2013, and began publishing Hearthstone podcasts in September 2013. In November 2013 Blizzard invited Artosis to participate in the Innkeeper's Invitational, a Hearthstone tournament hosted as part of the annual BlizzCon convention. On November 8, Artosis won the tournament and was crowned "Grandmaster of the Hearth".

Artosis regularly is a caster for gaming tournaments that occasionally includes Hearthstone content, and was featured in the ESports Global Network's Fight Night Hearthstone shows, as part of Team Dogehouse and at the 2015 Seatstory Cup. He streams on Twitch.

Personal life Artosis is married and lives on Prince Edward Island with his wife and children. His wife was born on Prince Edward Island and moved to Korea around 2009. In June 2022, Artosis disclosed that the family will relocate from South Korea, where he previously lived, to Prince Edward Island, Canada. He departed Korea, where he had resided for much of his life, on October 16, 2022, after casting his final GSL Code S Tournament.