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David Kassler
Strategic Advisor to Tag and Dentsu
Professional Background
David Kassler is a highly accomplished global executive, recognized for his influential leadership in the consumer, media, and technology sectors. With a remarkable career spanning several decades, David has established himself as an expert in digital transformations, shaping the strategic direction of numerous high-profile organizations.
Throughout his career, David has held several prestigious positions, including Global CEO and Non-Executive Director at market-leading companies. He has a rich history in strategic advisory roles, leveraging his vast experience to guide organizations through complex challenges and transitions. His expertise encompasses not only operational leadership but also strategic direction, particularly in navigating the rapidly evolving digital landscape that defines today's business environment.
David's previous roles include serving as the Global CEO at Tag—a respected name in the marketing and creative services industry—as well as a pivotal role at Dentsu, where he contributed to the strategic vision and execution of international projects. His tenure in the corporate world also includes executive leadership at Williams Lea Tag, Deluxe Entertainment Services Group, and Phones 4U, where he was instrumental in driving growth and innovation.
In addition to his executive leadership roles, David has been an invaluable Strategic Advisor to numerous Private Equity businesses, employing his extensive knowledge to guide investment decisions and organizational transformations. His insights into market trends, consumer behavior, and technological advancements have positioned him as a sought-after advisor across various platforms.
Education and Achievements
David's educational accomplishments further reflect his commitment to excellence. He earned a Master of Business Administration (MBA) in International Business from INSEAD, a global leader in business education. His studies there equipped him with a profound understanding of global markets and strategic management principles vital for leading organizations in today's interconnected world.
Additionally, David holds a Master of Arts (M.A.) in Politics, Philosophy, and Economics from the esteemed University of Oxford. This academic background has not only honed his analytical thinking and problem-solving skills but also provided him with a broad perspective on societal and economic issues, enabling him to make informed decisions that benefit both corporations and communities.
Before his time at these distinguished institutions, David's foundational education was established at Cranleigh School, where he began his journey toward becoming a global leader.
Key Achievements
Throughout his illustrious career, David Kassler has made an indelible mark in the industries he has served. His leadership at Deluxe Entertainment Services Group helped streamline operations and enhance service delivery, solidifying the company's reputation as a leader in the entertainment sector. As CEO of Phones 4U, he successfully navigated the competitive telecommunications market, implementing strategies that fostered customer loyalty and market expansion.
During his tenure at EMI Music, David played a crucial role in international growth, expanding the company's reach across Europe and other parts of the world. His deep understanding of consumer behaviors and market dynamics has enabled him to launch successful marketing and operational strategies across various sectors.
At Molson Coors Brewing, David advanced through ranks to become Managing Director of Barbox, demonstrating his ability to innovate within established brands while also serving as Senior Marketing Director and Strategic Planner. His work in this organization was pivotal in enhancing brand loyalty and market presence within the UK beer market.
In addition to these roles, David has contributed his strategic insights as a Senior Consultant at OC&C Strategy Consultants and Mars & Co., where he worked on high-impact projects that delivered measurable results.
Overall, David Kassler's extensive background in leading global organizations, combined with his academic achievements, positions him as a preeminent thought leader and pioneer in digital transformation within the consumer, media, and technology sectors.

