Summary: Mark Risher, Chief Executive Officer and Co-founder, Impermium Mark Risher is CEO and Co-founder of Impermium, a service which protects the Internet from social spam, fraud and abuse. An expert on the bad things people do online, Risher previously served as the “Spam Czar” for Yahoo!, where he was the manager of global product development for security and abuse products to protect over 300MM user accounts. He was also the Sr. Director of Product Management for Yahoo! Mail, leading development and execution of product strategy and business development for strategic deals across the platform. He graduated from Harvard University with a degree in Computer Science. Download <06:33>
