Jeff Wald is the Founder of Work Market, an enterprise software platform that enables companies to manage freelancers (acquired by ADP). Jeff has founded several other technology companies, including Spinback, a social sharing platform (eventually purchased by salesforce.com). Jeff is an active angel investor and startup advisor, as well as serving on numerous public and private Boards of Directors. Jeff is the author of the Amazon Best Seller The End of Jobs: The Rise of On-Demand Workers and Agile Corporations.