I Am A Professional Adventurer / Explorer
My name is Alastair Humphreys, a National Geographic Adventurer of the year. I have spent the last decade or so making my living from adventures such as cycling round the world, rowing the Atlantic and walking across the Empty Quarter desert. (proof of who I am is at http://www.alastairhumphreys.com/proof-for-reddit/)
EDIT: Thank you for all your questions. I need to go write my book now! Have a look at www.alastairhumphreys.com - it will answer most of your questions.