Business Leaders Reveal Their #FirstSevenJobs on TwitterFor some, the bottom of the corporate ladder is a series of odd-job rungs.

Richard Branson famouslysold Christmas trees and magazinesin his teen years before founding the Virgin Group and making his billions. Elon Muskcoded his own video gameat age 12. Warren Buffettpeddled chewing gumdoor to door when he was only 6.

Everyone has to start somewhere.

Last Thursday, a Twitter user named@mariancallasked her followers, "What were your first seven jobs?" She was soon inundated with mentions, as several celebrities, fromBuzz AldrintoStephen Colbert, shared their first gigs. Aldrin, one of the first two men to set foot on the moon, started as a dishwasher. Colbert, who's hosted two eponymous talk shows, was once a busboy and even a futon salesman. Many business executives and entrepreneurs also tweeted their career trajectories.

Related:The Wild and Crazy Career Paths of 5 Self-Made Billionaires (Infographic)

如果你梦想的野生成功但苦干to save up in the interim, let the early resumes of these founders and CEOs inspire you.

— Debra Sterling (@debbieblox)August 7, 2016

Snow shoveling
Newspaper delivery
Reading tutor
Boat crew
Caddy
Biz ops intern
Consulting analyst# firstsevenjobs

— Jeff Weiner (@jeffweiner)August 7, 2016

Cafe hand
Sales assistant
Retail administrator
Editorial assistant
Online editor
Digital director
Marketing director# firstsevenjobs

— Kate Kendall (@KateKendall)August 7, 2016

# firstsevenjobs1) House painter's assistant 2) Construction worker 3) Office janitor 4) Newspaper design intern (3x) 7) Entrepreneur

— Ben Huh (@benhuh)August 7, 2016

Dishwasher
Pizza boy
Waiter
Congressional intern
Economist
eLearning Consultant
EdTech Entrepreneur#FirstSevenJobs

— Andrew Cohen (@acohenNY)August 6, 2016

# firstsevenjobs
mowing lawns
scooping ice cream
working in a library
programmer
programmer
programmer
programmer

— Paul Graham (@paulg)August 7, 2016

# firstsevenjobs
Library clerk
Babysitter
Tutor
Dishwasher
Math book editor
Lab tech
Cafe cashier

— Ellen Pao (@ekp)August 6, 2016

# firstsevenjobs
TCBY
Baseball Cards
Web 1.0 Entrepreneur
NYSE
Neato CD Labels
Liberty Media@Playboy
...@BMG,@facebook,@gcvp, &@slow

— Kevin Colleran (@KevinColleran)August 8, 2016

#FirstSevenJobs1.@McDonalds? 2. Bartender ? 3. Bridal shop ?? 4. Waitress ? 5. Banker ? 6. IPO-er ? 7. Entrepreneur & Co-Fo@EntJungle?

— Emma Sinclair MBE (@ES_Entrepreneur)August 6, 2016

failed entrepreneur
qa engineer
product manager
sales engineer
intl biz dev
狗万官方
ceo of acquiring co# firstsevenjobs

— Kashyap Deorah (@righthalf)August 7, 2016