my name

so during networking sessions and while e-mailing alumni for advice, etc - i always introduce myself by my nickname because its easier to pronounce and remember. however my resume and cover letter only refer to my full legal name (which most people can't pronounce and doesn't really seem correlated to my nickname). if those same analysts i'm speaking to are the ones looking through resume piles, chances are they won't really put my face to the name they see.. should i change how i introduce myself or is there something else i can do to stay remembered - what do you guys think

thanks