What three words would you use to describe yourself as it relates to both your business style and work ethic?

The three words that i would use to describe myself as it relates to my business style and work ethic are:

- Confident, i'm always up to new tasks and i believe i'm capable to solve all forms of problem

- Efficient, i will finish the job with the least possible resource

- Ambitious, i will constantly try to finish bigger challenge after i'm done with my current challenge