Carol McDonald is a product marketing manager focusing on Spark and data science. Carol has experience in many roles, including technical marketing, software architecture and development, training, technology evangelism, and developer outreach. Carol writes industry architectures, best practices, patterns, prototypes, tutorials, demos, blog posts, whitepapers, and ebooks. She has traveled worldwide, speaking and giving hands-on labs; and has developed complex, mission-critical applications in the banking, health insurance, and telecom industries. Carol holds an MS in computer science from the University of Tennessee and a BS in geology from Vanderbilt University. Carol is fluent in English, French, and German.