12 Surprising Things That Can Make You Successful

Sure, we all know that an Ivy League education, stint at a blue-chip firm, and stellar sales skills can help us get ahead. But it may surprise you just how many lesser known, seemingly random variables contribute to your professional success.

From the month you were born to your comedic timing, the weirdest quirks can affect how successful you'll ultimately be.

We combed through research on success to identify 12 surprising things that can influence your career trajectory. While some factors can be sought out, others are beyond your control.

This is an update of an article written by Alison Griswold.