Need a design advice!

Hi,
My name is Nick and this is my first post here.
You can say I am pretty much an amateur or newbie into boats, but they have become a passion over the last year.
There is a beggining for everything I guess!
However!
The point is that I want to build my own boat and I don't know where to start from.
I know that:
1) It must be wooden ( that is the material I am comfortable to work with )!
2) The rig should be easy to be handled by one!
3) Must be light and fast ( prefer speed than comfort )!
4) Must be able to sail offshore!
5) Must be large 16 - 20 meters (52'-65').

I am open for suggestions of any kind. But the most I need is a good design.
Please share your knowledge, about designs, designers, plans and everything I can look into.
Thank you.

 

See your other posting!