Overall, I think it's super nice. My only criticism is that the tagline seems feels unnecessary obscure and superfluous.
Kerem Suer designs systematic methods to help humans interact with machines.
Why not just say that you're a Product/UX/UI/whatever designer?
Sometimes you want "Locally sourced organic strawberry jam" as opposed to simply.. "jam"
Having said that, I agree with it being obscure, only due to the word "method" (imo). I think "systematic" is already practically implied in "method".
that sounds cooler :P
I'm not sure about the justified body copy, may just be a personal preference but it feels a bit awkward to read.
The typography is beautiful, feels like I'm reading a magazine! Love this. the blue strip doesn't really have a purpose, but otherwise, nice clean typography.
The blue strip confused me, wondering if an image of some sort was still loading. Seems out of place.
Minimal is hard and this really nails it! Personally I'd be aiming for more of a portfolio to be included, I'd like to see what work he's created as well as a biography. Really lovely to look at though!