The Best Startup Pitches (2012 Edition) – this article from Business Insider includes video and briefly explains why the author thinks the pitch qualifies for the list.
Pitch Envy – This is a gallery of startup pitch decks. The pitch deck for Square and Foursquare can be found here.
Best Pitch Decks – This too is a gallery of startup pitch decks.
Startup Pitch Decks – A collection of fundraising decks from startups that have raised over $400M.
LinkedIn’s Series B Pitch to Greylock – Reid Hoffman has annotated the pitch deck with helpful notes to put things in context. The subtitle says it best; Pitch Advice for Entrepreneurs.
TED – TED videos are worth watching to get a hang of what works, and what does not work in pitching to a room full of people. To start find a playlist on a subject you find interesting and watch a few of the curated videos. Also, here are some I think you should watch.
The Uncommon Structure of Great Stories – Nancy Duarte
How To Get Your Ideas To Spread – Seth Godin
How To Pitch A VC – David S. Rose
The Technology of Storytelling – Joe Sabia
Steve Jobs’ 2007 iPhone Presentation – a Youtube video
The Presentation Secrets of Steve Jobs – a presentation on SlideShare by Carmine Gallo.
For Argument’s Sake – Why do we argue? A presentation at TEDx Colby by Daniel H. Cohen.
Tips and Techniques for More Confident and Compelling Presentations – A lecturer at Stanford University explains key ways in which you can plan, prepare, and practice more effectively for your next talk or presentation.
Want A Better Pitch? Watch This. – Advice from Andy Raskin
Toastmasters International – I do not know a more cost-effective and efficient way to develop your ability to speak in public. I completed the competent toastmaster program in 2006.