Translation of "되기로" in English

인류학자가 되기로 결심했습니다.

when I decided I was going to be an anthropologist;

저는 해결책이 되기로 선택했고

I chose to be the solution,

남보다 앞장서고, 도미노가 되기로 했습니다.

by being the first and by being the domino.