David Greenfield, an alumnus of the University of Michigan and Columbia University, is a well-qualified professional with a background in Computer Science and Business Administration. With career experiences varying across different sectors, David has worked for various esteemed organizations, including Twitter, Gnip, and Factset, among others. He has a noteworthy technical acumen, which is evident from his experience as the Director of Client Engineering at Percolate Inc. and his current role as Head of Application Product Management at Komodo Health. Throughout his career, David has showcased his expertise in Big Data, Machine Learning, and Social Media. His academic qualifications, mixed with his technical and business insights, make him an exceptional candidate for any business and engineering-related role.