< Block2TheFuture: Blockchain Festival and Token Conference. Come enjoy Chicken Tikka Masala, Get Fractional Bitcoin and Beer. Kids get Free Entry & Are Eligible For Free Fractional Bitcoin
Get 30% OFF on CRYPTO ADMIRAL VIP PASS. Click here to get the discount code

Mark Jefferey

Mark Jefferey

Mark Jefferey

CEO & Co-Founder, Guardian Circle

Biography

Mark Jeffrey is a serial entrepreneur and published author. He co-founded Guardian Circle: a global, decentralized ‘9-1-1’ emergency response grid. He is also an early blockchain pioneer, having published two of the first e-books on Bitcoin: BITCOIN EXPLAINED SIMPLY (2013) and THE CASE FOR BITCOIN (2015)

back to top