Blend Meets: Sir Martin Sorrell

Sir Martin Sorrell is the Founder and Executive Chairman of S4 Capital, a tech-led, new-era marketing services business built for global, multinational, and digital-first brands.

One of the most influential figures in modern media and advertising, Sir Martin spent over three decades building WPP from a £1 million shell company into the world’s largest advertising services group, with a market capitalisation exceeding £16 billion and a global workforce of 200,000 people.

In 2018, he founded S4 Capital to challenge the traditional agency model, bringing together companies including MediaMonks and MightyHive. These were later unified under Monks, a single integrated brand operating across 30+ countries, combining marketing, technology, and AI-driven capabilities to redefine how businesses engage with consumers.

Alongside his executive work, Sir Martin co-founded S4S Ventures, investing in early-stage technology companies shaping the future of media and marketing. He is also deeply engaged in education and philanthropy, supporting institutions including Harvard Business School and University of Cambridge, and serving as a Trustee of Bloomberg Philanthropies.

Recognised globally for his impact, Sir Martin has been ranked among the world’s top-performing CEOs by the Harvard Business Review, named in the TIME 100, and awarded the Harvard Business School Alumni Achievement Award.

At Blend Meets, Sir Martin brings a rare, first-hand perspective on how influence, media, and power are being reshaped in the algorithmic age—and what this means for leaders navigating growth, brand, and decision-making today.

As Co-founder and CEO, Steve brings a wealth of experience in both entrepreneurship and executive leadership, fueling Blend’s mission to foster growth, collaboration, and innovation among its members helping them to break down silos and unlock the power of cognitive diversity.

With a background rooted in business strategy, events and technology, Steve is deeply passionate about harnessing the power of community to elevate individual and organizational success. His strategic insights, coupled with a relentless dedication to fostering meaningful connections, have helped propel Blend as the premier destination for executives from enterprise seeking to expand their networks and amplify their impact.

Steve’s leadership philosophy is centered on the belief that true success is achieved through collective empowerment and shared knowledge. Under his guidance, Blend has evolved into a vibrant membership ecosystem where executives from diverse industries come together to exchange ideas, tackle challenges, and unlock new opportunities for growth.

Prior to co-founding Blend, Steve held key leadership roles in the events and technology sector, where he honed his skills in building high-performing teams and driving transformative change.

Blend is poised to redefine the future of executive networking and development, providing a membership platform where leaders can thrive, connect, and shape the future of business together.