Mark Jeffrey
AUTHOR

Mark Jeffrey

Mark Jeffrey is an award-winning serial entrepreneur and author with Harper Collins. He has co-founded five internet companies and written eight books.

Most recently, Mark founded Guardian Circle and the $GUARD token for global decentralized emergency response (One of FAST COMPANY's 'World Changing Ideas' 2018; Winner: CoinAgenda, d10e, LAUNCH Festival; Partner: XPRIZE Foundation; Featured in TRUST MACHINE film (2018))

He is also an early pioneer of blockchain technology, having published BITCOIN EXPLAINED SIMPLY (2013) and THE CASE FOR BITCOIN (2016).

His previous companies include The Palace (backed by Time Warner, Intel and SoftBank; sold with 10 million users), ZeroDegrees (a business social network sold to InterActiveCorp / IAC in 2004 with 1 million users) and ThisWeekIn. He was the founding CTO of Mahalo / Inside.com (backed by Elon Musk, Sequoia, Mark Cuban and others). Mark also worked with Travis Kalanick (CEO Uber) on his first company Red Swoosh.

Mark was one of the first people ever to serially podcast a novel: MAX QUICK: THE POCKET AND THE PENDANT originally received over 2.5 million downloads in 2005.

Mark Jeffrey holds a BS in Computer Science from the University of New Hampshire. On Twitter, he is @markjeffrey.

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Best Sellers

    • Bitcoin Explained Simply

    • An Easy Guide to the Basics That Anyone Can Understand
    • By: Mark Jeffrey
    • Narrated by: Bob Milhoan
    • Length: 1 hr and 33 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 75
    • Performance
      4.5 out of 5 stars 72
    • Story
      4.5 out of 5 stars 70

    It is still very early in the Bitcoin game: only 0.03% of the world owns bitcoins; we still have 99.97% left to go....

    • 5 out of 5 stars
    • A great start to understanding btc

    • By Lonnie G. Hardy, Jr. on 06-05-16

    Regular price: $6.95

    • Age of Aether

    • By: Mark Jeffrey
    • Narrated by: Mark Jeffrey
    • Length: 3 hrs and 25 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 9
    • Performance
      4.5 out of 5 stars 9
    • Story
      4.5 out of 5 stars 9

    When Captain Benjamin Bantam is tapped to go back in time in order to retrieve a cure for the vicious Shadow plague, he is shocked to arrive in an alternate 1944 where electricity doesn't exist....

    • 4 out of 5 stars
    • You need to discover this author!

    • By P. J. Zannini on 04-12-17

    Regular price: $14.95

    • The Case for Bitcoin

    • Why JPMorgan CEO Jamie Dimon Is Dead Wrong - And Why Bitcoin Is the Greatest 'Store of Value' Ever Invented in Human History!
    • By: Mark Jeffrey
    • Narrated by: Mark Jeffrey
    • Length: 1 hr and 38 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 21
    • Performance
      4.5 out of 5 stars 18
    • Story
      4.5 out of 5 stars 18

    Industry expert Mark Jeffrey makes an argument for what Bitcoin actually means: how it will disrupt banking and other industries and why it is the greatest "store of value" ever invented....

    • Why JPMorgan CEO Jamie Dimon Is Dead Wrong - And Why Bitcoin Is the Greatest 'Store of Value' Ever Invented in Human History!
    • By: Mark Jeffrey
    • Narrated by: Mark Jeffrey
    • Length: 1 hr and 38 mins
    • Release date: 12-31-15
    • 4.5 out of 5 stars 21 ratings

    Regular price: $6.95

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