Young Entrepreneur Challenges the Way Americans Think About Their Cellphones

BY Grant Davis

A Pakistani immigrant takes on the U.S. cell phone service model.

Big Claims Aim to Boost Business at Mobile App Startup

BY Jason Ankeny

With major clients like Microsoft and CBS Sports, Chaotic Moon app studio makes it big.

5 Young Millionaires Instigating Innovation

BY Jason Ankeny

Our annual look at high-earning entrepreneurs aged 30 or younger with the creativity, smarts and guts to disrupt their industries.

Serial 'Trep Gurbaksh Chahal on Being Driven to Succeed (Video)

BY Teri Evans

In this 'Trep Talk Extra, the young multimillionaire entrepreneur shares the three elements that led to his success with multiple startups.

Serial Entrepreneur Gurbaksh Chahal on Turning Obstacles into Opportunities (Video)

BY Teri Evans

In 'Trep Talk, the young multimillionaire shares how he shook off bullies, how family fueled his drive to succeed, and how startups can change a conversation to get noticed.

Serial Entrepreneur Gurbaksh Chahal on a Business Idea Myth (Video)

BY Teri Evans

In this 'Trep Talk Extra, the multimillionaire young entrepreneur explains why you don't need a new idea to launch a successful startup.

The Making of a 20-Something Multimillionaire Serial Entrepreneur

BY Teri Evans

Gurbaksh Chahal shares insight on staying competitive and why his $300 million sale to Yahoo wasn't what changed his outlook on business and life.

1SaleADay.com's Ben Federman and the Value of a Daily Steal

BY Gwen Moran

This 28-year-old Brooklynite built a successful business around the concept of loss leaders. Part of our annual Young Millionaires report.

GumGum's Ophir Tanz Spins Gold from Ads on Images Online

BY Jennifer Wang

This twentysomething innovator created a successful digital ad network for Web images. Learn how he did it. Part of our annual Young Millionaires report.

From Grad Student to Social Media Millionaire

BY Matt Villano

How twentysomething Shama Kabani of Marketing Zen Group wrote a master's thesis on Twitter and then went on to build a leading-edge marketing firm. Part of our annual Young Millionaires report.

Khu.sh's Prerna Gupta Pioneers High-Tech Music for the Masses

BY Jennifer Wang

This 29-year-old CEO has her sights set on expansion with her apps LaDiDa and Songify and seed funding from angel investors. Part of our annual Young Millionaires report.

Quirky: The Solution to the Innovator's Dilemma

BY Jennifer Wang

At the age of 24, Ben Kaufman already has a successful startup track record. With Quirky, he's tapped into the power of open innovation and created a place where anyone can become an inventor.

Lessons Learned: How Tumblr Recovered from a Business Crisis

BY Teri Evans

David Karp's blog platform has seen hockey-stick growth, and so has his learning curve as entrepreneur. He shares how his company bounced back from the tech tumble that brought down millions of blogs last year.

Mashable's Pete Cashmore on Persistence

BY Teri Evans

How he turned obstacles into an opportunity, why he's so obsessed with the Internet and a winning habit he learned from his father.

How a Young Fashion Designer Stands Out in a Crowded Market

BY Jason Fell

From listening to customers to creating a unique product, Rebecca Minkoff shares her top tips.

Tony Hsieh on Empowerment

BY Teri Evans

Zappos CEO finds success by breaking the old-school business rules.

Innovator: DeviantART's Angelo Sotira

BY Jennifer Wang

How Angelo Sotira turned 14 million independent artists into a groundbreaking social network.

Matt Mickiewicz: How I Started 99designs

BY Young Entrepreneur Council

The 27-year-old entrepreneur discusses trusting his instincts, scaling growth online and driving revenue with user feedback.

Aaron Patzer: How I Started Mint.com

BY Young Entrepreneur Council

The online entrepreneur talks about ditching his day job, finding investors and hiring top talent to launch his startup.

College Startup Success Story, Revisited

BY Joel Holland

Garrett Camp sold StumbleUpon for a reported $75 million a year after graduation. Then he bought it back.