In a world where Marie Curie managed to win Nobel prizes in both Chemistry and Physics, I'd say managing to be both a designer and a programmer isn't such a big deal.
If this is something of interest to you, aim a little higher.
If this is something of interest to you, aim a little higher.
Clearly, the difficult in becoming a designer and a developer at the same time is similar to that of obtaining Nobel Prizes in Physics and Chemistry.