form of address

I decide it.

私は決めます

I decide how to address new members.

私は新しい会員の呼び方を決めます

I decide how to address new members in the meeting room.

私は会議室で新しい会員の呼び方を決めます

I decide how to address new members in the meeting room before the first gathering.

私は最初の集まりの前に会議室で新しい会員の呼び方を決めます

I decide how to address new members in the meeting room before the first gathering with the team leader.

私はチーム長と最初の集まりの前に会議室で新しい会員の呼び方を決めます