His father retired as the principal of the lower school at Colorado Academy, a private school in Denver.

He started his career as a lecturer in the government college at Kasur, and retired as the principal of the same college.

In 2008, Mr. Tsen retired as the principal of the school.

His father retired as the principal of a Washington consulting company bearing his name that specialized in economics and higher education.

His mother retired as the principal of Public School 276 in Brooklyn.

His father retired as the principal of Calverton Middle School, also in Baltimore.

His father retired as the principal of Public School 198 in Manhattan.

Her father recently retired as the principal of the Oxford Middle School.

His father retired as the principal of the Duxbury Intermediate School.

His father retired as the principal of Public School 120 in Brooklyn.