Mark Jeffrey is a serial entrepreneur and author. He has co-founded five internet companies (three exits) and written eight books, including the Max Quick series (Harper Collins).
Three times, he has conceptualized and built consumer products that generated millions of registered users in the first year.
Most recently, Mark founded Guardian Circle, an app that lets friends, family and neighbors protect one another (GuardianCircle.com). He is also an early pioneer of crypto-currencies,
having published two of the first books on Bitcoin:
BITCOIN EXPLAINED SIMPLY (2012) and
THE CASE FOR BITCOIN (2015).
His previous companies include The Palace (backed by Time Warner, Intel and SoftBank; sold to Communities.com in 1998 with 10 million users),
ZeroDegrees (a business social network sold to InterActiveCorp / IAC in 2004 with 1 million users) and ThisWeekIn (co-founded with Kevin Pollak and Jason Calacanis).
He was also the founding CTO of Mahalo / Inside.com (backed by Elon Musk, Sequoia, Mark Cuban and others). Mark also consulted for several years directly for Travis Kalanick, now CEO of Uber, on his first company Red Swoosh.
Mark's first book, MAX QUICK: THE POCKET AND THE PENDANT, was published in hardcover and ebook by HarperCollins in May,
2011. It was initially podcast as a series of episodic mp3's and received over 2.5 million downloads.
Mark Jeffrey holds a BS in Computer Science from the University of New Hampshire.
He is a TEDx speaker and was a featured speaker at the very first Harvard Conference on the Internet and Society.