Tsunami art gallery in Iteawon

I was searching for an art gallery located in Iteawon called ATELIER 54 http://www.artinasia.com/galleryDetail.php?catID=6&galleryID=1739, which I found on a this site http://www.artinasia.com/home.php. The gallery's website was down however there was a map to this gallery called Tsunami. It's easy to get to you come out of the subway exit and there is a Coffee Bean on the corner. If you are walking out of the coffee bean you will go left for a half a block. It's on your left above an antique place. I went on Saturday at 12:30pm and it was closed. I am unable to find any information on the hours of operation. So if you know anything please post. Also I am searching for any new Korean artists and galleries if you know of any please post their website.