For those of you who could not attend this time, we will see you at the meeting next month.
To those of you who couldn't make it this time, let's meet at the meeting in a month's time.
ーFor those of you who could not attend this time, we will see you at the meeting next month.
「今回参加できなかった方たちは、来月の会議で会いましょう。」
for those of you who ... で「…な方達・人たち」
we will see you at the meeting next month で「来月の回で会いましょう」
ーTo those of you who couldn't make it this time, let's meet at the meeting in a month's time.
「今回参加できなかった方達は１ヶ月後の会議で会いましょう。」
to those of you who ... でも「…な方達」と言えます。
in a month's time で「１ヶ月後に」
ご参考まで！
カナダ 
