Life, much like a startup, has multiple stages, phases and evolutions. As an entrepreneur, I've spent the last 13 years pitching ideas and building platforms and it just occurred to me that life, as I know it, has many similarities to business.
whether you are men or women, you must do your due diligence in understanding your product and services. Only then can you know how your VCs/audience will see or react to your pitch, and you can effectively make persuasive arguments to cater to them.
A perfect round number is 10 slides, with the right content, that can be covered in 10 minutes. Even if you have an hour booked, the advice is the same. If you can't get the message across in 10 minutes, more time and more charts won't help.