Sirah (William Kjærsgaard) - Biography, settings, configs

Sirah is the in-game name of William Kjærsgaard, a professional Counter-Strike 2 player from Denmark, born on November 16, 2006. He started competing at a young age and quickly stood out in the Danish scene for his strong mechanics and disciplined playstyle.

Early in his career, sirah played for several smaller Danish teams, where he gained experience in structured team play and official matches. His performances helped him move into more competitive environments, including MASONIC, where he faced stronger opponents and played in well-known European tournaments.

A major step in his development came when he joined MOUZ NXT, the academy team of MOUZ. Playing in an academy roster allowed sirah to train in a professional setting, focus on long-term improvement, and compete regularly against other top young talents in Europe. This period helped sharpen his decision-making and consistency.

After leaving MOUZ NXT, sirah joined ECSTATIC, a team known for developing young players and competing in high-level online events. With ECSTATIC, he played many important matches and helped the team achieve solid results in European leagues and tournaments during 2024 and 2025.

In-game, sirah mainly plays as a rifler. He is known for reliable aim, good positioning, and staying calm in tense situations. Rather than relying on flashy plays, he focuses on making smart decisions that help his team win rounds. His career so far shows how steady improvement and strong fundamentals can help a young player move up through the competitive CS2 scene.