Adamian joined the Bentley College faculty in 1955 and was named chair of the Law Department in 1968.

The college's endowment increased from $385,000 in 1970 to $60 million when he stepped down as president, enrollment doubled, and the faculty grew from 42 to 350.

In 1990, the traditional business college began offering majors in English, history and philosophy.

He has worked with other members of the Armenian diaspora to fund the education of students from Armenia who would otherwise not be able to attend American colleges.

[citation needed] Adamian served as chair of the Committee for the Resettlement of Armenians in the United States.

[7] He was also the recipient of the Ellis Island Medal of Honor for lifetime contributions to education, business, law, and cultural and civic life in America.