Professors at my alma mater advised students not to go off and “sell soap” after their graduation.
This guy apparently did not take their advice.

Many high-calibre scientists have moved out of the lab into development departments in factories, higher up to heading technical functions and then even into the management chain of Unilever,” says V M Naik, deputy head of laboratory, Hindustan Lever Research Centre and Unilever Research India. “I find my job so intellectually stimulating that I remain glued to it!”
From Close-Up to revolutionary new ice cream vending pushcarts for Walls ice creams has been an exciting journey for the bearded, amiable scientist, whose eyes gleam with enjoyment as he talks about his work. “One of the first projects I worked on was to develop, for the first time in India, a process for the industrial manufacture of abrasive grade silica which are used in making Close-Up toothpaste,” says the man who joined the laboratory upon graduation from the Indian Institute of Technology, Mumbai, in 1970.

He did better in the private sector than this doctor did in the public sector.