Short answers, pulled from the story.
Tetsuya Nomura began his career in 1991 as a debugger for Final Fantasy IV. He started by writing monster design plan books by hand with detailed drawings that impressed director Hironobu Sakaguchi. This unconventional approach led to his rapid promotion to monster designer for Final Fantasy V.
In February 2000, Tetsuya Nomura launched the Kingdom Hearts series by merging the worlds of Disney and Final Fantasy. He created original characters alongside Disney figures and introduced Sora as the main protagonist. The series has spanned over two decades and includes titles like Chain of Memories and 358/2 Days.
Tetsuya Nomura made his film debut in 2005 as the director of Final Fantasy VII: Advent Children. He redesigned the characters and served as the lyricist for the CGI movie. He split the directing role with Takeshi Nozue to ensure a balanced vision for the film.
Tetsuya Nomura had been working on Kingdom Hearts III since 2002, and the game was released in 2019. The title served as a culmination of the series story and showcased the capabilities of the PlayStation 4. Nomura oversaw the concept design, story, and character art for the project.
In April 2020, Tetsuya Nomura and Square Enix launched the Final Fantasy VII Remake. He served as the director, character designer, and concept designer for the project. The game was followed by the sequel Final Fantasy VII Rebirth which was released in 2024.