ServiceSource International, Inc. announced that Gary B. Moore, currently a member of the company's Board of Directors and an experienced technology industry executive, has been appointed Executive Chairman, effective immediately. The company also announced that effective immediately, Debbie Dunnam, Executive Vice President, has been named Chief Operating Officer. Moore has served on the ServiceSource Board since November 2016 and has over three decades of strategic, operational and executive leadership experience at world-class technology and services companies, including Cisco Systems, Inc. and Electronic Data Systems (EDS). Dunnam joined ServiceSource in September 2018 as Executive Vice President responsible for leading the company's digital transformation initiatives and working across all functions in the organization to advance ServiceSource's solution set, service delivery model and client value. She has more than 35 years of experience building and scaling global inside sales and customer success teams for major cloud and software companies. In her expanded role as COO, Dunnam will lead a worldwide team and be accountable for optimizing and standardizing an end-to-end delivery model with best-in-class operational rigor and discipline. Dunnam will continue to report directly to Christopher M. Carrington, CEO of ServiceSource.