Jonathan Weeks
CEO & Founder
Jonathan Weeks is the CEO & Founder of ByAtlas, a performance media agency specialising in Search, Social, and Programmatic advertising.
Beyond boundaries.
“I feel incredibly fortunate to have the opportunity to build ByAtlas. It comes with a responsibility to everyone who places their trust in us, and I never take that lightly. For me, this is more than a business; it feels like a calling. My job is simply to honour that opportunity and make it count.”
With nearly two decades of experience across the advertising and technology sectors, Jonathan has held senior leadership positions at some of the industry's most influential businesses, including Affiliate Window, Criteo, Ve Interactive, Sociomantic Labs, Numberly, Crimtan, and Sub2 Technologies.
Throughout his career, he has built and scaled high-performing teams, led international growth strategies, and delivered commercial results for some of the world's most ambitious brands.
Jonathan founded ByAtlas with a simple belief: the best media outcomes come from combining intelligent technology with exceptional human thinking. This philosophy, known as The Human Algorithm™, sits at the heart of the agency's approach, bringing together data intelligence, creative strategy, and deep commercial understanding to drive measurable business growth.
Since launch, ByAtlas has grown rapidly, partnering with brands across retail, pharmaceutical, financial services, travel, and technology sectors. Under Jonathan's leadership, the agency has become known for its commitment to transparency, accountability, and performance, helping clients navigate an increasingly complex media landscape with confidence.
Beyond building ByAtlas, Jonathan writes and speaks about leadership, founder growth, workplace culture, and the future of performance media. He is a member of the Forbes Agency Council and remains passionate about creating businesses that scale without compromising their values, people, or standards.
Since launch, ByAtlas has grown rapidly, partnering with brands across retail, pharmaceutical, financial services, travel, and technology sectors. Under Jonathan's leadership, the agency has become known for its commitment to transparency, accountability, and performance, helping clients navigate an increasingly complex media landscape with confidence.
Beyond building ByAtlas, Jonathan writes and speaks about leadership, founder growth, workplace culture, and the future of performance media. He is a member of the Forbes Agency Council and remains passionate about creating businesses that scale without compromising their values, people, or standards.
Building ByAtlas, in public
Follow Jonathan's journey as he shares the lessons, challenges and opportunities that come with building a modern performance media agency from the ground up.
Moments that matter
The people, experiences and milestones that have shaped the journey so far. From defining opportunities and hard-earned lessons to moments of celebration, challenge and growth.
