Arianna Huffington's office has a certain D.C. condo vibe, with stacks of books and weird curtains over big windows.
Maybe all that chatter on Craigslist is why founder Craig Newmark prefers such a streamlined environment.
James Citrin, senior director at Spencer Stuart, writes emails and conducts calls on his treadmill.
Somebody needs to tell Herb Greenberg at CNBC to tidy up his desk.
Apparently the best feature of the office of Heather Elias, director of social business practice for the National Association of Realtors, is a view of the Capitol Building.
T. Boone Pickens, founder of BP Capital, says he's seen "billions of dollars come and go" over his desk.
Virgin Group's Richard Branson prefers working on the beach.
LinkedIn CEO Jeff Weiner prefers going hiking for one-on-one meetings.
Duke University professor Dan Ariely has a therapist's chair and massage tool in his office for "workday surprises."
LA Dodgers owner Peter Guber has a round desk so visitors "feel no control or hierarchy."
IDEO CEO Tim Brown says his employees get a new desk every week.
Chegg.com President Daniel Rosensweig says a garage door in his office is to remind employees of the firm's early days.
Deep Nishar, SVP of products and user experience at LinkedIn, prefers an office filled with personal memorabilia.
Bloomberg TV anchor Betty Liu stands behind her desk for her segments.
No Starbucks meetings for Lerer Ventures partner Eric Hippeau: He hosts meetings in his café-like office.
Reputation.com CEO Michael Fertik found he was twice as likely to walk around and chat if he stood behind his desk instead of sitting.
We would love to see what would happen if someone suddenly deprived Bloomberg West host Emily Chang of her four screens, which she says she needs to get through the day.
Edelman's Steve Rubel keeps such a spartan desk that when he travels, people ask if the space is vacant.
RedBalloon founder Naomi Simson says she works everywhere, including at her hairstylist's salon.
The DoSomething.org nonprofit kept costs down by eschewing desks in favor of Ikea tables.
We're thinking that John Abell has a pretty steampunk-looking office for a guy who is a tech columnist at Reuters.
Fon CEO Martin Varsavsky makes a point of leaving his door literally open for employees.
Cipex founder Ilya Pozin organizes his offices into two main employee bullpens to aid collaboration.
The office of Sense of the Future founder Bruce Kasanoff is set up to take advantage of views of Long Island Sound.
Here's one thing we know from looking at the desks of 24 uber-successful folks, in industries ranging from media to tech to real estate: One size definitely does not fit all. Neither does cleanliness level, organization or froufrou. Arianna Huffington's office looks like something out of a Vassar dorm, while Edelman exec Steve Rubel keeps his space so spartan that when he's out of the office, people think that no one actually sits at that desk. Our favorite, though, has to be LinkedIn CEO Jeff Weiner's: a hiking trail behind his office. Such are the perks when you run the show.
Click to see more on msnNOW.com, updated 24 hours a day.