I have been Keynote Speaker at a large number of events over the past few years. I have always had overwhelmingly positive feedback for my presentations which are lively, engaging, challenging, interactive, and make use of varied media.
Here is an example of feedback from one of my presentations at a Comms Hero event
https://storify.com/johnpopham/my-talk-at-comms-hero-manchester-13th-may-2014
If you need a speaker for your event on any of the following topics, please get in touch:
- Social Media
- Digital Inclusion
- Digital Storytelling
- Transforming Services through Technology
- Anticipating Future Trends
- Harnessing the Power of the Internet
- 21st Century Communications
You can contact me here
John Popham's Random Musings 
It was a great experience of visiting your post of keynote speaker. Thank you for sharing.