Sander "Berndsen12" Berndsen is Dutch professional poker player. He started his online poker career with No Limit Hold 'em, at Everest Poker. At that time that site didn't offer Pot Limit Omaha, so Sander stuck to NLHE, in the capped form at 6-max tables and heads up Sit and Go's were he did well for a long time.
Eventually Berndsen thought it was time to move on to a different site and a different format of poker, like so many other poker professionals he followed the action and money from NLHE to PLO. But Berndsen also needed a challenge in order to keep up his motivation. This is why he has stepped out of his comfort zone to play marathon heads up multi table sessions against players like Viktor "Isildur1" Blom and Phil "MrSweets28" Galfond.
Berndsen is very active at PokerStars, where he plays mostly but not exclusively PLO, he puts in a fair amount of NLHE hands too, when the action demands it.