have a finger in every pie

have a finger in every pie (to be involved in a lot of different activities and have influence over them, especially when other people think that this is annoying) — всюду совать свой нос; в каждой бочке затычка; ~ наш пострел везде поспел; быть замешанным во многих делах

see also
[в каждой бочке затычка]
[never miss a trick]