ed . ▁As ▁of ▁March ▁ 2 0 1 0 ▁there ▁were ▁two ▁working ▁groups : ▁The ▁Re vision ▁of ▁Direct ive ▁ 8 6 / 6 0 9 ▁working ▁group ▁is ▁review ing ▁the ▁directive ; ▁the ▁S uffer ing ▁and ▁Sever ity ▁working ▁group ▁is ▁review ing ▁aspects ▁of ▁the ▁system ▁of ▁sever ity ▁limits ▁and ▁bands . ▁ ▁M emb ership ▁As ▁of ▁March ▁ 2 0 1 0 , ▁the ▁committee ▁members ▁( and ▁their ▁professional ▁affili ations ) ▁were : ▁ ▁S ara ▁Nathan ▁( ch air ), ▁fre el ance ▁journalist ▁Professor ▁Hann ah ▁Buch an an - Smith , ▁Professor ▁of ▁Be hav iour ▁and ▁E volution ▁Research ▁Group , ▁Department ▁of ▁Psych ology , ▁University ▁of ▁St ir ling ; ▁Mike ▁Dennis , ▁Research ▁Scient ist , ▁Centre ▁for ▁Emer gency ▁P rep ared ness ▁& ▁Response , ▁Health ▁Prote ction ▁Agency ; ▁Dr ▁John ▁Do e , ▁Head ▁of ▁Health ▁Ass ess ment , ▁Sy ng enta ; ▁Dr ▁Simon ▁Gl end in ning , ▁Fellow ▁in ▁European ▁Philosoph y ▁in ▁the ▁European ▁Institute ▁at ▁the ▁London ▁School ▁of ▁Econom ics ▁and ▁Political ▁Science ; ▁Dr ▁Pen ny ▁Haw kins , ▁Deput y ▁Head , ▁Research ▁Anim als ▁Department , ▁R SP CA ; ▁Dr ▁Peter ▁H unt , ▁Bi ological ▁Stand ards ▁Officer , ▁Card iff ▁University ; ▁Robert ▁K emp , ▁retired ▁animal ▁techn ician ; ▁Professor ▁Keith ▁K end rick , ▁Head ▁of ▁C ogn itive ▁and ▁Be hav i ou