Age: 24

What he's done: Hecht and his cofounder Steve Martocci created a group mobile text messaging application, GroupMe.

Just 370 days after GroupMe's launch, Hecht and Martocci sold the company to Skype for an estimated $80 million.

Age: 22

What she's done: Manglik cofounded SpotOn, a company that helps friends discover places to go, and was a TechCrunch Disrupt finalist this year.

The NYU graduate was a former BlackRock analyst and teacher at The Princeton Review.

Age: 24

What he's done: Taub has been running around the New York tech scene since he was 19 at Yeshiva University.

Now he's a mentor at DreamIt Accelerator and heads up business development at photo editing startup, Aviary. He is also on the board of New York Venture Community, he organizes the Digital Learning Series with Startl, and is a Next New York fellow.

Age: 24

What he's done: Paik joined Josh Kushner's firm Thrive Capital last year. He has played a large role in all of Thrive's investments, from Zaarly to GroupMe. 

People close to Paik say he's unbelievably well connected, technical and product focused.

Paik and Kushner were classmates at Harvard and Paik formerly worked at Pixar.

Age: 22

What he's done: Will is currently a venture capitalist at Raptor Ventures.

He was formerly a product guy at file sharing startup Drop.io and at Twitter-like company, Hot Potato; both sold to Facebook.  He also worked as an analyst at RRE Ventures.

Age: 24

What she's done: Lauren founded Texts from Last Night and is now running Bnter, a way to "frame and share conversations."

She's also writing a book that's due out in 2012, Judging a Book by its Lover.

Age: 25

What he's done: Dan Leahy graduated from Georgetown with his cofounder Ben McKean. The pair ditched their Wall Street jobs and founded Savored last summer.

The restaurant deals site now partners with Open Table and Zagat. Buddy Media founder Mike Lazerow is an investor, and Savored raised a $3 million Series A.

Age: 24

What he's done: Weinstein has pivoted his way to tech stardom.  He cofounded GoodCrush and RandomDorm, which pivoted into CollegeOnly, a social network for students. CollegeOnly has since become YouAre.TV and is backed by FirstMark Capital, SoftBank, Peter Thiel, High Line Venture Partners, David Kidder and David Tisch.

Weinstein also got former Brett Favre flame Jenn Sterger to host one of the web shows on YouAre.TV.

Age: 25

What she's done: Tryon was a manager at American Express until she and her boyfriend/cofounder Scott caught the entrepreneurship bug.

They founded Artsicle, an art rental company, and moved into DogPatch Labs. Expect to see these two on future power couple lists.

Ages: 25 and 24, respectively

What they've done: Baptiste and Baretto made Inc's 30 Under 30 list and their startup, OnSwipe, has Apple working up a sweat.

OnSwipe is an easy app-workaround for publishers who want their blogs to look good on mobile devices.

OnSwipe has raised $6 million from the most accredited investors and was the breakout winter Techstars NYC company.

Ages: 25 and 25, respectively

What they've done: Brimer and Hargreaves have been starting companies together since they were undergrads at Yale. Their first company, GoCrossCampus, should have been a success. It had plenty of users and funding, but it failed.

Now Brimer and Hargreaves are at it again, but this time they're building an entrepreneurship school in NYC.  General Assembly, their company, is the home to a bunch of startups. It also offers community entrepreneurship courses.

Age: 25

What she's done: Being well acquainted with Fred Wilson at age 25 is impressive. Cacioppo is an analyst at his firm, Union Square Ventures.

She graduated from Stanford University and formerly worked at Google.

Ages: 20, 21 and 20, respectively

What they've done: Cohen, Getelman and Grandpre cofounded Coursekit, a social education tool that wants to kill Blackboard. 

All three founders raised $1 million for their startup, dropped out of UPenn, and were accepted ino the summer session of Techstars NYC.

Age: 25

What he's done: Hefter is disrupting the education space, but not the same way other entrepreneurs are. His company, Neverware, makes old computers run like new by accessing the latest software via the cloud.

It's a good solution for schools that can't afford to keep updating computer software.

Age: 24

What he's done: The 2x entrepreneur recently sold his social commerce and analytics startup, Spinback, to Buddy Media.

He sold his first company, The College Shack, to Carolina Beach Apparel in 2010.

Age: 24

What he's done: Cleveland has never had a "real" job. As soon as he graduated from Princeton he got to work on Art.sy, an art discovery tool.

He raised $1.25 million from the likes of Eric Schmidt and Jack Dorsey. He also won TechCrunch Disrupt's Rookie Award in 2010.

Age: 17

What he's done: Godin seems to be as motivated as his father, marketing guru Seth Godin. He's the second-youngest Techstars member ever and his startup, Dispatch, is on track to be the summer session's breakout company.

He also taught himself to code in 7 days over winter vacation and won a hackathon.

Age: 20

What he's done: Dan Herman was accepted into the summer NYC techstars program with his live chat platform for businesses, ChatID.

Age: 25

What he's done: Adam Liebman is SinglePlatform's VP of Sales.

SinglePlatform is a tool for restaurants to manage websites easily across one network. He graduated from Mizzou and formerly worked at Yext.

Age: 25

What he's done: Karp founded Tumblr, a social blogging platform that's reportedly raising a massive round.

If it closes, Karp's company could have a whopping $800 million valuation.

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