Workday, Inc. is an American on?demand financial management and human capital management software vendor. Workday was founded by David Duffield, founder and former CEO of ERP company PeopleSoft, and former PeopleSoft chief strategist Aneel Bhusri following Oracle's hostile takeover of PeopleSoft in 2005. ,In October 2012, it launched a successful initial public offering that valued the company at $9.5 billion. Competitors include SAP Successfactors, Oracle, Zoho, and beqom. ,In 2020, Fortune magazine ranked Workday Inc. at number five on their Fortune List of the Top 100 Companies to Work For in 2020 based on an employee survey of satisfaction. San Francisco Business Times ranked Workday at number two on their Best Places to Work in the Bay in the largest companies category.