▁the ▁country . ▁D PR ▁has ▁ 2 8 ▁office ▁locations ▁throughout ▁the ▁U . S ., ▁international ▁offices ▁in ▁Se oul , ▁South ▁Korea , ▁Singapore ▁and ▁several ▁in ▁Europe , ▁and ▁is ▁head qu arter ed ▁in ▁Red wood ▁City , ▁California . ▁ ▁D PR ▁ranked ▁on ▁the ▁Fort une ▁( mag azine ) ▁ 1 0 0 ▁Best ▁Comp an ies ▁to ▁Work ▁For ▁list ▁in ▁ 2 0 1 0 ▁at ▁# 5 7 , ▁in ▁ 2 0 1 1 ▁at ▁# 2 2 , ▁in ▁ 2 0 1 2 ▁at ▁# 1 3 , ▁in ▁ 2 0 1 3 ▁at ▁# 1 5 ▁and ▁in ▁ 2 0 1 4 ▁at ▁# 1 0 . ▁D PR ▁has ▁consult ed ▁on ▁multiple ▁occasions ▁with ▁Stan ford ▁University ▁business ▁school ▁professor ▁James ▁C . ▁Collins , ▁the ▁author ▁of ▁best s elling ▁books ▁Bu ilt ▁to ▁Last : ▁Success ful ▁Hab its ▁of ▁V ision ary ▁Comp an ies ▁and ▁Good ▁to ▁Great . ▁Collins ▁has ▁helped ▁the ▁company ' s ▁leaders ▁create ▁a ▁mission ▁and ▁values ▁statement , ▁as ▁well ▁as ▁set ▁a ▁strategy ▁for ▁ach ieving ▁its ▁goals . ▁D PR ▁is ▁known ▁for ▁its ▁emp ower ed ▁company ▁culture , ▁open ▁floor ▁plan ▁and ▁lack ▁of ▁formal ▁titles . ▁D PR ' s ▁culture ▁and ▁leadership ▁style ▁has ▁been ▁recognized ▁in ▁the ▁book ▁Ma ver icks ▁at ▁Work : ▁Why ▁the ▁Most ▁Original ▁M inds ▁in ▁Business ▁Win ▁by ▁Pol ly ▁G