You can express that kind of person with today's expression "goal-oriented".
How to use goal-oriented
what is oriented
to fucus on one particular thing that you really think is important.
For example, goal-oriented means "you think about your goal as an important factor for your life or career".
I am a goal-oriented person.
She’s very career orientated.
career orientated means you think career is important for you.
Synonyms of oriented
focus on
to give a lot of attention or concentration to one particular person, subject, or thing.
I really focus on the goal when I learn something.
prefer
to like or want someone or something rather than another
I prefer to achieve the goal when I do something.
Conversation tips: person
I believe everyone knows meaning of person. But when you want to say "I prefer coffee", you can express it with person.I am a coffee person.
a coffee person means "I prefer coffee rather than something like tea or juice."
I am not a morning person.
a morning person means "I am active in the morning rather than at night."