Where some legends of the dot-com era are now

The Nasdaq Composite is approaching the 5,000 mark once again, a level the tech-heavy index hasn't reached since March 2000. Now, 15 years later, let's look back at the dot-com bubble legends who helped the index balloon to record highs at the turn of the century.

THEN: Founder of Webvan. Valuation was $7.5 billion.

NOW: Founder of Mercury Startups, start-up incubator in Palo Alto, California

Borders founded his online grocery store business, Webvan, in 1999 but it went bankrupt two years after its initial public offering.The founder of the long-gone Borders Books & Music chain now focuses on developing and financing other start-ups.

THEN: Founder of Pets.com. Valuation was $369 million.

NOW: Founder of TheRealReal.com, online luxury retail store

Wainwright was running Pets.com when it folded in 2000 to become one of the biggest dot-com flops. She's done a lot since then and her San Francisco-based consignment website, which focuses on luxury items, has been successful thus far. It was on track to generate over $100 million in revenue in 2014.

THEN: Founder of eToys. Valuation was $10.3 billion.

NOW: Keeping a low profile

Lenk left Disney to found eToys in 1997 but it went bankrupt towards the end of the boom. The site is now owned by Toys "R" Us as of 2009. He later became the president of the e-commerce portion of the clothing retailer Gap.

THEN: Founder of GeoCities. Was bought by Yahoo for $5 billion in 1999.

NOW: Philanthropist, chairman of the David Bohnett Foundation in Beverly Hills, California

Bohnett founded the media and e-commerce company in 1994 which was once ranked one of the four most-trafficked sites on the internet. It went public and was later acquired by Yahoo in 1999. Now his foundation helps provide funding and technical support to arts, educational and civic programs.

Paternot and Krizelman THEN: Co-founders of theGlobe.com. Valuation was $840 million.

Paternot NOW: Co-founder of Slated, online film industry marketplace in Los Angeles

Krizelman NOW: Co-founder of MediaRadar, ad tech company in New York City

Paternot and Krizelman were Cornell students who founded the social networking service, theGlobe.com, in 1994. It went public four years later to a lot of buzz, only to have its stock collapse soon after. It closed shop in 2008.

Paternot went on to found Slated, an online film industry marketplace. Krizelman co-founded MediaRadar, which provides real-time advertising sales data.

THEN: Founder Kozmo.com. The IPO was withdrawn.

NOW: VP at Forever 21

Park helped co-found kozmo.com, which promised to deliver everyday goods for free by bike messenger. It attracted a lot of investment, about a quarter of a billion dollars, before it too crashed in 2001.

The Harvard Business School graduate is now the VP of global e-commerce at clothing retailer Forever 21.

THEN: Co-founder of Netscape. Acquired by AOL for $10 billion in 1999.

NOW: Retired and sailing the super yacht Comanche

The Netscape co-founder (shown here with co-founder Marc Andreessen in 1995) entered the billionaire's list after astute investments in tech companies like Apple and Twitter.

The former Stanford professor is now retired and sailing his new super yacht that cost millions to build and can reach a speed of 40 mph.

THEN: Founder of AOL. Valuation was at $226 billion after the announced merger with Time Warner in 2000.

NOW: Philanthropy, Kimsey Foundation, in Virginia

In 1985 the military veteran founded what was then called Quantum Computer Services. It later became known as AOL in 1990 and had more than 27 million subscribers at its peak. AOL was spun back out of Time Warner in 2009 and is currenlty worth a little over $3 billion.

Now Kimsey focuses on philanthropy through his foundation and supports initiatives from the arts to education.

THEN: Co-founder of HomeGrocer. Valuation was $2 billion.

NOW: Founder and CEO, Storrage, in the greater Seattle area

The online supermarket debuted on March 10, the day the index peaked in 2000. The Kirkland, Washington-based company had $21.6 million in annual revenue and a net loss almost four times that large. Webvan, acquired HomeGrocer in June 2000 before plummeting into bankruptcy a year later.

In 2013 Drayton founded Storrage, a storage service for $25 a month by the box that picks up and delivers from and to your door.