William Casimir is a strategic and detail-driven media planner currently serving as a Senior Associate in Media Strategy at Material. Their experience includes leading media planning and execution for global accounts across various sectors, including pharma and consumer goods, and they have previously held positions at Publicis Collective, Starcom, and Spectrum Reach. William has developed media flowcharts, managed multi-brand budgets, and optimized campaign performance, showcasing a strong ability to collaborate with cross-functional teams. They hold a Bachelor of Science in Advertising from St. John's University, where they graduated with a 3.50 GPA, and are actively seeking new opportunities in commerce, retail media, and social strategy. Known for their positive energy and strong work ethic, William thrives in collaborative environments and is dedicated to innovative and purpose-driven brands.
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