John Rosenfelder is an elite music data analytics expert with 25+ years of experience transforming streaming analytics into business growth. At Warner Music Group, he revolutionized music data visualization, creating 40+ analytics dashboards including a TikTok Overview tool with 20,000+ views. John pioneered Spotify data integration with Tableau and optimized SQL queries to reduce costs while unlocking critical insights for market growth and artist development. His rare expertise bridges traditional music promotion—having led campaigns for Elvis Costello and Nirvana—with cutting-edge data science. John's innovative approach to music streaming analysis makes him a transformative force in today's digital music landscape.