#1

BarackObama Barack Obama 2,529,337 followers (1 on this list)
Bio 44th President of the United States
Location Washington, DC
Web http://www.barackobam...
Other lists:  management, politics, presidents

#2

tonyhawk Tony Hawk 1,775,367 followers
Bio professional skateboarder, dad, videogame character, husband, ceo, kid chauffeur
Location San Diego and everywhere else
Web http://www.tonyhawk.c...
Other lists:  ceos, family, fathers, management

#3

brookeburke Brooke Burke 1,527,022 followers
Bio Co-CEO of Modern Mom, celebrity mother of four. Read my daily blog http://modernmom.com - real, soulful, honest. Founder of BabooshBaby.com
Location Malibu, CA
Web http://www.modernmom....
Other lists:  blogging, family, founders, management

#4

GStephanopoulos GeorgeStephanopoulos 1,448,730 followers
Bio ABC News Chief Washington Correspondent and Host of This Week
Location Washington, DC
Web http://blogs.abcnews....
Other lists:  media, news, politics

#5

timoreilly Tim O'Reilly 1,238,265 followers (2 on this list)
Bio Founder and CEO, O'Reilly Media. Watching the alpha geeks, sharing their stories, helping the future unfold.
Location Sebastopol, CA
Web http://radar.oreilly....
Other lists:  author, ceos, founders, geeks

#6

gtdguy David Allen 1,204,712 followers
Bio Originator of GTD, founder of David Allen Co.
Location Ojai, California
Web http://www.davidco.co...
Other lists:  founders, gtd, management, speaker

#7

ev Evan Williams 1,176,152 followers (2 on this list)
Bio CEO of Twitter
Location San Francisco, CA, US
Web http://evhead.com
Other lists:  ceos, management, tech

#8

om Om Malik 1,066,823 followers
Bio Founder of GigaOM. Venture Partner at True Ventures
Location ÜT: 37.795917,-122.39966
Web http://gigaom.com/
Other lists:  founders, management

#9

sanjayguptaCNN Dr. Sanjay Gupta 958,492 followers
Bio CNN Chief Medical Correspondent; Neurosurgeon
Location CNN Headquarters - Atlanta
Web http://www.cnnhealth....
Other lists:  health, media, medical, news

#10

kaifulee Kai-Fu Lee 615,089 followers (1 on this list)
Bio I am the President of Google Greater China. I used to work at Microsoft, SGI, and Apple. I have written several Chinese books.
Location Beijing, China
Web http://blog.sina.com....
Other lists:  books, google, mac-geeks, management

#11

RandallGrahm Randall Grahm 196,948 followers
Bio Founder, Winemaker, Terroirist/Vinarchist and Prez-for-Life @BonnyDoonVineyd, Defender of Misunderstood and Underappreciated Doon-trodden Cépages of the Earth
Location iPhone: 36.972572,-122.036209
Web http://beendoonsolong...
Other lists:  founders, green!, management, winemaker

#12

ariannahuff Arianna Huffington 130,551 followers (1 on this list)
Bio Co-Founder and Editor-in-Chief, The Huffington Post
Location 
Web http://www.huffington...
Other lists:  founders

#13

twittermoms Megan 121,534 followers (1 on this list)
Bio I'm a mommy of a preschooler and toddler, children's book author. Founder Twittermoms.com and member of MBC.
Location Ross, CA
Web http://www.twittermom...
Other lists:  books, childrens-books, founders, mothers

#14

caseywright Casey Wright 120,380 followers (1 on this list)
Bio CEO Wright Brothers Communications
Location San Diego
Web http://www.cawright.n...
Other lists:  brother, ceos, communications, entrepreneur

#15

SteveCase Steve Case 111,055 followers (2 on this list)
Bio Co-founder of AOL; now Chairman of The Case Foundation and of Revolution (investor in Revolution Money, Exclusive Resorts, Miraval, Zipcar, Waterfront, etc)
Location Washington DC
Web http://www.revolution...
Other lists:  founders, investing, investors, tech-companies

#16

chrisbrogan Chris Brogan 105,164 followers (1 on this list)
Bio President, New Marketing Labs. More? http://bit.ly/cbbio . email: blog at chrisbrogan dot com
Location Boston, MA
Web http://chrisbrogan.co...
Other lists:  advertising, marketing, presidents

#17

jeffhennion Jeff Hennion 32,282 followers
Bio Follow Jeff, EVP - Chief Marketing Officer & e-Commerce of @GNCLiveWell, to get a behind the scenes look at the world of health and sports nutrition retail.
Location Pittsburgh, PA
Web http://www.gnc.com
Other lists:  advertising, cmo, corporate, e-commerce, marketing, online, pittsburgh, strategy

#18

marcelleturner Marcelle Turner 12,398 followers (1 on this list)
Bio Blogger, social media fan, interactive marketing agency exec and digital butterfly!
Location Orlando, FL
Web http://www.pinklenses...
Other lists:  ceo, interactive, marketing, mommyblogger, socialmedia, speakers

#19

ExecutiveMoms Marisa Thalberg 3,687 followers (3 on this list)
Bio Estee Lauder Companies digital mktg executive by day; Mom and President of ExecutiveMoms.com otherwise
Location New York
Web http://www.executivem...
Other lists:  marketing, mom, moms, socialmedia, work

#20

executiveoasis Anne Thornley-Brown 904 followers (1 on this list)
Bio President, Executive Oasis International, consulting firm Services: team building, executive retreats, sales incentive trips, corporate event planning
Location Toronto, Ontario, Canada
Web http://www.executiveo...
Other lists:  canada, ceos, dubai, equestrian, incentive-travel, innovation, socialmedia, team-building, toronto