The Signatures of 25 Tech Titans and What They Say About Their Personalities Judging by their autographs, Bill Gates is unpretentious, Tim Cook is whip-smart and Mark Zuckerberg is super private, that is if you buy into graphology.

By Kim Lachance Shandrow

Opinions expressed by Entrepreneur contributors are their own.

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Big, bold and bossy. Small, simple and subdued. From elegantly styled to illegibly chicken-scratched, there are as many different types of signatures as there are people and some say how we sign our names speaks volumes about who we are and what we care about.

If you follow today's top entrepreneurs and you're curious about graphology -- the controversial practice of analyzing the physical attributes of a person's handwriting to deduce their personality traits -- then you might get a kick out the John Hancocks of some of the world's most successful tech titans.

Related: This Handy Robot Holds a Pen and Writes Exactly Like You Do

Whether or not their autographs are accurate expressions of their personalities is up for debate, but it's fun to guess. Plus, it's #TGIF and, doggonit, you deserve a #FridayFunday diversion. From Xerox's Ursula Burns to Facebook founder Mark Zuckerberg, care of myprint247, here are the signatures of 25 tech heavyweights and what they might -- or might not -- say about them:

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The Signatures of 25 Tech Titans and What They Say About Their Personalities

Related: What Your Handwriting May Reveal About Your Confidence, Creativity and Health (Infographic)

Kim Lachance Shandrow

Former West Coast Editor

Kim Lachance Shandrow is the former West Coast editor at Entrepreneur.com. Previously, she was a commerce columnist at Los Angeles CityBeat, a news producer at MSNBC and KNBC in Los Angeles and a frequent contributor to the Los Angeles Times. She has also written for Government Technology magazine, LA Yoga magazine, the Lowell Sun newspaper, HealthCentral.com, PsychCentral.com and the former U.S. Surgeon General, Dr. C. Everett Coop. Follow her on Twitter at @Lashandrow. You can also follow her on Facebook here

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