Mark Kingdon is the founder and CEO of Kingdon Capital Management. Mr. Kingdon is also an angel investor. He was co-founder and co-chairman of the board of directors and a member of the board of directors of NiftyThrifty. He was a member of the board of directors of The RealReal. He joined Linden Lab in May 2008 as chief executive officer. He leads the day-to-day management and operations of the company, working closely with Linden Lab founder, former CEO and current Chairman Philip Rosedale. Prior to joining Linden Lab, he served as CEO of Organic Inc. Prior to Organic, he worked at idealab, providing strategic guidance and operational support to emerging companies. Prior to that, he was a partner in the consulting division of PricewaterhouseCoopers (PwC), where he held various leadership positions over a twelve-year career. He holds an MBA from Wharton Business School and a bachelor's degree in economics from UCLA.