1, 'at a recent session', here, 'recent' is adj modifying 'session'. perfect tense is not right. the same examples would be "in the last meeting', ' at the previous conference', ... 2, perfect tense shoul dbe employed when 'recent' shows a span of time 3, agreed with shellyaaaa, 'decide' doesn't lead to a subjunctive mood. 'needs' shows a fact only