Translation of "Interesar" in English

A quien pueda interesar:

To whom it may concern:

- A quien pueda interesar:
- A quien corresponda:

To whom it may concern:

Y me empecé a interesar en este chico a mi lado.

And I became very interested in this guy next to me.

Pensaba que a nadie le iba a a interesar mi proyecto.

I didn't think anyone would ever be interested in my project.