Following the sale and dissolution of Ouya, Kellee Santiago left the company and transitioned to Google Play Games. This marked another shift in her career, as she moved to a major tech company to work on their gaming platform.

Kellee Santiago joined the Women in Games International advisory board. This highlights her commitment to supporting and promoting women in the gaming industry.

Kellee Santiago joined Ouya, a microconsole platform, as the head of developer relations. This move signified her continued involvement in the gaming industry, this time focusing on supporting developers on a new platform.

Kellee Santiago announced her departure from thatgamecompany, the studio she co-founded with Jenova Chen. This marked a significant shift in her career, as she transitioned from leading an independent game development studio to pursuing other opportunities within the gaming industry.

Journey, the third game produced by thatgamecompany under Kellee Santiago's leadership, was released for the PlayStation Network. It was highly anticipated and critically acclaimed, further solidifying the studio's reputation for innovative and emotionally resonant game design.

Kellee Santiago married Mike Stein, whom she met while both attending the University of Southern California. This is a personal event in Santiago's life, showing her life outside of her professional achievements.

Kellee Santiago and Jenova Chen officially founded thatgamecompany. This marked the formal beginning of their venture to create emotionally resonant and innovative video games, backed by a contract with Sony Computer Entertainment.