Lukas Biewald is CEO and co-founder CrowdFlower, the leader in crowd microtasking of crowdsourcing platform vendor CrowdFlower. Prior to co-founding CrowdFlower, Biewald was a senior scientist and manager within the Ranking and Management Team at Powerset, Inc., a natural language search technology company later acquired by Microsoft, and also led the Search Relevance Team for Yahoo! Japan. He graduated from Stanford University with a BS in Mathematics and an MS in Computer Science. Biewald is also an expert-level Go player.