Mason made his competitive Dota 2 debut in September 2013 playing for Take Five. The team was put together by DeMoN in order to participate in RaidCall EMS ONE Fall Americas, which the team ended up winning. Take Five however disbanded shortly after. In March 2014 mason was a stand-in for Fear of Evil Geniuses, who was recovering from a forearm injury at the time. During his time as a stand-in, mason helped Evil Geniuses qualify for Star Ladder Series Season 9 as well as place first in the MLG T.K.O Tournament. Mason became a full-time member of Evil Geniuses after Fear was officially ruled inactive due to his arm injury. During his tenure as a full-time member of Evil Geniuses, mason helped the team secure third place at The International 2014. After The International 2014, Mason was removed from Evil Geniuses and would go inactive until joining High Council of Wizards&Priests after The International 2015 shuffle. Mason joined Doo Wop on September 15th, 2016, only to leave the team 6 days later. In March 2017, mason's new team, Team Onyx, qualified for the The Kiev Major in the North American qualifiers by defeating CompLexity Gaming.