Conversation so far:
Where was Mark Levin from?
Mark Levin, one of three boys, was born in Philadelphia, Pennsylvania, and grew up in Erdenheim as well as Elkins Park, Pennsylvania.
Where did Mark Levin graduate from?
Mark Levin graduated from Cheltenham High School after three years in 1974.
Did Mark Levin go to college?
Mark Levin enrolled at Temple University Ambler and graduated summa cum laude and Phi Beta Kappa with a B.A. in Political Science in 1977 at age 19.
Did Mark Levin go to any other schools besides Temple University Ambler?
In 1980, Mark Levin earned a J.D. from Temple University Beasley School of Law.
What did Mark Levin do next in his life after earning a J.D. in 1980?
Mark Levin worked for Texas Instruments after law school.

Question: What type of work did he do?
Self-contained rewrite: What type of work did Mark Levin do for Texas Instruments?