по профессии

by profession

→ по
phrase Rare #43,373
by profession Used to ask or state someone’s occupation or professional training. It is often placed at the beginning or end of the sentence.
RU: Она по профессии инженер.
EN: She is an engineer by profession.

По профессии он зубной врач.

He is a dentist by profession.

А кто ты по профессии?

What is your profession?

— Простые сложности Нико Фишера (2012)

По профессии он врач.

He is a doctor by profession.

Он доктор по профессии.

He is a doctor by profession.