You can move the default Genesis primary menu into the header of your page quite easily by adding it via a header widget as a custom menu.
By default the primary menu displays as a full width menu after the header
![genesis-menu-default-primary](https://coolestguidesontheplanet.com/wp-content/uploads/2014/02/genesis-menu-default-primary.png)
Default Primary Menu
To change this and move it into the header, go to Appearance > Menus in WordPress dashboard select your main menu and ensure the Primary or Secondary locations are not ticked.
Adding in Custom Menu
Go to Appearance >Widgets and drag a Custom Menu widget into Header Right and the select your menu from the drop down and save.
![genesis-custom-menu-widget](https://coolestguidesontheplanet.com/wp-content/uploads/2014/02/genesis-custom-menu-widget.png)
Custom Menu as Widget
![genesis-menu-in-header](https://coolestguidesontheplanet.com/wp-content/uploads/2014/02/genesis-menu-in-header.png)
New Menu in place
Add in some CSS styling using the .genesis-nav-menu class