主管:
1. in charge
2. responsible
3. (be) person in charge of (a position, etc.)
4. director
5. 【经】 chief manager
He is in charge of the ministry of information or of the information ministry.
他主管情报部.
她不到25岁就当上公司主管, 升得可真快!
She was a company director before she was 25; that's not bad going!
你要向主管销售的人负责.
You're responsible to whoever is in charge of sales.