The NBA legend keeps a replica batman mask in his pristine LRMR Marketing firm office in Akron, Ohio, according to ESPN.

The creator and executive producer of the drama television show Mad Men, keeps a bust of Ludwig van Beethoven and a Tibetan prayer horn on his desk, according to the Vanity Fair series, "My Desk."

The show's protagonist, alpha male Don Draper, also keeps Weiner company, in the form of a bobblehead, which can be found in Weiner's office.

The Shark Tank investor gave People Magazine a tour of his home office in Dallas, Texas. One of the highlights included a handmade "Welcome Home Daddy" sign that he was greeted with upon returning from the hospital after having his hip replaced in 2007.

Also, his desk chair wears a Mavericks No. 1 jersey like a mannequin. The NBA team gifted Cuban the jersey the day he bought the franchise in January 2000.

The Duke professor and author has a Freudian-inspired therapist chair, a swinging chair, and a few low sofas to create an inviting environment for his students.

"I find that sitting on the sofas and talking to people in a close proximity changes the nature of the discussion," Ariely tells Business Insider. "I don't want to come from a position of being judgmental — but collaborative — so talking in this way is incredibly helpful."

Vanity Fair reported that Oprah keeps a letter opener that was gifted to her, and it's not just for show; she prefers to open mail with the old-fashioned tool.

She also enjoys sending letters as much as receiving, and keeps stationary and a pen close by for hand-written notes.

The fashion designer and CEO of Burberry curbs his chocolate cravings by always having his favorite candy, Maltersers, within arms reach.

He also keeps a Lego duck that his niece made for him in his office, as reported by Vanity Fair.

The CEO of chegg.com keeps his alma mater's mascot close by. "All of our conference rooms are college-themed," Rosensweig tells Business Insider, "and my office and conference room are named for my own alma mater, Hobart and William Smith College, and for the school that my daughters attend, Colgate."

While a large image of the Hobart Statesman occupies one wall, another has been replaced with a garage door that can open or close for meetings. "The reason for the garage is to remind our management team of the Silicon Valley startup ethos," he says. "None of us are founders of the company, but we see ourselves as re-founders, and the garage is a constant reminder to be nimble, smart, innovative, and frugal."

The politician's cluttered office is filled with stacks of paper and reading materials.

What stands out though is a large, multi-colored frog hanging on his office wall, according to Time.

The productivity consultant and author of the international best-seller, "Getting Things Done," kept a two-minute sand timer on his desk until recently. "It was useful several years ago to train myself how long two minutes was — that's our recommendation for taking actions immediately that can be done within that time frame," Allen explains.

Now his internal clock alerts him when two minutes is up.

The Chairman told LinkedIn that he keeps "a small bottle of whiskey for the bad surprise, a stash of dark chocolate (82% cocoa) for twice-daily medication, a bottle of Pellegrino water and a pair of analog clocks as a reminder that our business is about art as well as science."

The CEO of the multimedia Mandalay Entertainment Group, author, owner of the NBA franchise, the Golden State Warriors, and co-owner of the MLB's Los Angeles Dodgers, opted out of a traditional desk for a round table to house his bobblehead collection and other memorabilia.

Guber told LinkedIn that his office has "a round table with all equal chairs, and a collection of items earned, given, and used over the years in its center. I set it up this way so everyone coming to meet with me feels no control or hierarchy and sees the eye candy that represents our diverse business activities."

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