noun
dean (of a university faculty)
Refers specifically to the head of a faculty or school within a university, such as the dean of the Faculty of Law or the School of Medicine.
彼は来年、法学部の学部長に就任する予定だ。
He is scheduled to become the dean of the Faculty of Law next year.
学部長は新しいカリキュラムの導入を発表し
The dean announced the introduction of a new curriculum.
学科長 is the head of a department within a faculty, a lower-level position than 学部長.
Compound of 学部 (faculty, department) and 長 (head, chief).