Building a company isn't that different from climbing a big mountain. You need people helping you traverse treacherous paths and to lift you up when you fall.

You will find that every successful entrepreneur has suffered many setbacks. These entrepreneurs just forget to mention these when they are doing interviews with the 'Wall Street Journal' or Bloomberg TV.

In my first company, Seer Technologies, where I was chief technology officer, we shied away from the media. We watched every word and were guarded in front of journalists.

The truth is that entrepreneurship is more like a roller coaster ride than a cruise.

The IPO is no exit for the entrepreneur; it's the start of purgatory.