What other profession could I choose after getting a Ph.D. in Physics, besides becoming a physicist?

Majoring in physics and obtaining a doctorate in the field is no small feat, and employers from all fields recognize that. Physics is incredibly quantitative and numerical; thus, you might get a job in fields such as engineering, finance, forensics and even algorithmic trading. Most employers assume that if you have the intelligence and grit to get a Ph.D. in Physics, you can pretty much conquer any numerical problem they throw at you, irrespective of the field. So your life as a Ph.D. Physicist doesn't have to be be composed of theoretical calculations about space and time.