▁Three ▁exper ts ▁return ▁from ▁Canada ' s ▁Wor st ▁Driver ▁ 7 , ▁though ▁Peter ▁M ell or , ▁head ▁instruct or ▁for ▁the ▁past ▁three ▁seasons , ▁is ▁not ▁among ▁them . ▁ ▁Cam ▁W ool ley ▁is ▁the ▁show ' s ▁longest - ser ving ▁expert , ▁having ▁been ▁present ▁in ▁every ▁season ▁except ▁the ▁first ▁and ▁has ▁seen ▁the ▁hab its ▁of ▁Canadian ▁drivers ▁change ▁dr ast ically ▁since ▁ 2 0 0 0 , ▁with ▁the ▁most ▁common ▁off ense ▁having ▁changed ▁from ▁D UI ▁to ▁dist ract ed ▁driving . ▁He ▁is ▁the ▁traffic ▁expert ▁on ▁CP 2 4 ▁in ▁Toronto ▁and ▁had ▁a ▁ 2 5 - year ▁career ▁as ▁a ▁traffic ▁ser ge ant ▁with ▁the ▁Ontario ▁Provin cial ▁Police . ▁ ▁Philippe ▁L ét our ne au ▁is ▁a ▁veter an ▁high - speed ▁driving ▁instruct or ▁who ▁counts ▁B MW ▁and ▁Ferr ari ▁among ▁his ▁clients . ▁Since ▁joining ▁the ▁show ▁in ▁Canada ' s ▁Wor st ▁Driver ▁ 3 , ▁the ▁average ▁car ▁has ▁gained ▁consider ably ▁in ▁speed ▁and ▁acceleration , ▁with ▁the ▁high - speed ▁emphas is ▁of ▁this ▁season ▁making ▁his ▁job ▁a ▁particularly ▁important ▁one . ▁ ▁Sh y am ala ▁Kir u ▁returns ▁for ▁her ▁second ▁season ▁as ▁the ▁resident ▁psych other ap ist ▁and ▁relationship ▁expert . ▁ ▁Tim ▁Dan ter ▁is ▁the ▁new ▁head ▁driving ▁instruct or ▁this ▁season ▁who ▁is ▁with ▁Drive W ise . ▁ ▁Cont est ants ▁ ▁Robert ▁C ár den