James Turnbull is a VP of Engineering at Sotheby's. Prior to Sotheby's, he was at Microsoft, the founder and CTO at Empatico, CTO at Kickstarter, VP of Engineering at Venmo, and in leadership roles at Docker and Puppet. He also had a long career in enterprise technology, working in banking, biotech, and e-commerce. He chaired the O'Reilly Velocity conference series, is a startup advisor and investor, and has written eleven technical books.