Kazi Arif Hossain is a seasoned data professional with extensive experience in digital analytics, data visualization, and revenue assurance. Currently serving as a Senior Digital Data Analyst at Optus since 2016, Kazi specializes in tools such as Google Analytics and Tableau while also providing training to analysts and marketing teams. In addition, Kazi has been a Casual Tutor at James Cook University since 2019, teaching various subjects related to data science. Previous roles include Data Analyst and BI Specialist at Cancer Council NSW, Analyst at Vodafone Australia, and Manager at Axiata and Grameenphone Ltd, where Kazi demonstrated expertise in revenue reconciliation, fraud detection, and campaign analysis. Kazi holds an MBA in social entrepreneurship from the Institute of Business Administration, University of Dhaka, and a BSc in Computer Science and Engineering from Khulna University.