Gain Theory Launches ‘Growth Decoded’ Video Series to Tackle Marketing’s Biggest Growth and Measurement Challenges

New expert-led series explores the ideas, innovations and strategies shaping the future of marketing measurement, effectiveness and growth 

Global marketing effectiveness and foresight consultancy Gain Theory today announced the launch of Growth Decoded, a new video series tackling some of the biggest growth and measurement challenges facing marketing leaders today. 

Across seven expert-led episodes, Growth Decoded explores how marketers can navigate an increasingly complex measurement landscape, from AI and data readiness to proving marketing’s commercial value, evolving Marketing Mix Modeling (MMM) and turning insight into action.

The series brings together senior experts from across Gain Theory to cut through complexity and focus on the ideas, innovations and strategies that drive smarter decisions and better business outcomes. 

From More Insight to Better Decisions

Marketing leaders have never had access to more data, dashboards, technology and AI-powered insight. Yet more information does not automatically lead to better decisions or growth. Gain Theory’s Unfinished Business: Closing the Insight-to-Action Gap research finding that 1 in 2 senior marketers report a significant gap between insight and action. 

As Marketing Mix Modeling (MMM) becomes faster, more accessible and increasingly embedded within organizations, the challenge is shifting from generating insight to ensuring businesses can act on it. With AI further increasing the breadth, depth and speed of insight available to marketers, the series explores why human expertise remains critical to understanding what the data means, why it matters and what businesses should do next. 

"Marketing measurement is evolving fast, accelerated by AI. But more data, technology and speed only create value when they lead to better decisions. Growth Decoded cuts through the noise to tackle the questions marketing leaders face every day: How do I prove marketing’s value? What should I measure? Where does AI make a meaningful difference? And how do I turn insight into action and growth?"

Claudia Sestini

Global CMO, Gain Theory

Decoding the Growth and Measurement Agenda

The first Growth Decoded series features six episodes spanning some of the most important issues shaping marketing measurement and effectiveness today: 

1. Defining Innovation That Actually Solves Marketers’ Pressures
   Russell Nuzzo, Managing Partner, challenges marketers to look beyond the AI and innovation hype and ask whether new capabilities are solving genuine business problems. He explores Gain Theory’s four dimensions of meaningful innovation: breadth, depth and speed.
2. Metrics to Millions: Quantifying Marketing’s Value in C-Suite Language
   Karen Kaufman, Global Chief Strategy Officer, examines why marketing teams can struggle to secure investment despite having more data than ever. The episode explores how marketers can connect performance to revenue, profit and long-term business growth, creating a common commercial language with CEOs and CFOs. 
3. Beyond the Dashboard: Why Tech Needs Strategic Partnership to Build Confidence
   Karen Kaufman, Global Chief Strategy Officer, explores why technology alone cannot solve marketing’s biggest decision-making challenges. The episode looks at the role of trust, organizational alignment, governance and human expertise in turning sophisticated measurement and technology into confident business action. 
4. Your Growth Is Bigger Than Media: Why Narrow Measurement Misses the Mark  
   Sam Fellows, Managing Partner, explores why measuring media alone is no longer enough to drive sustainable growth. He examines how Business Driver Modeling can connect marketing investment to the wider commercial ecosystem, including pricing, promotions, brand equity, competitor activity and macroeconomic conditions. 
5. The Hidden Cost of Poor Data Readiness
   Tasha Webb, Head of Data, examines how fragmented data, inconsistent quality and weak governance can undermine confidence in measurement and delay decision-making. She also challenges organizations to stop waiting for perfect data and instead generate value from the best available intelligence while strengthening their data foundations. 
6. Beyond ROI: Measuring What Really Matters  
   Fergal Smithwick, Senior Director of Client Success, explores the dangers of over-optimizing for ROI and why marketers need to consider total profitability and long-term growth. He also examines how different measurement approaches, including Marketing Mix Modeling, and faster leading indicators can work together to support better investment decisions. 

Watch Growth Decoded

Turning Measurement into Commercial Impact

Growth Decoded draws on Gain Theory’s work with leading global brands to show what happens when measurement moves beyond reporting and starts shaping real business decisions. 

Across the video series, Gain Theory experts share examples of AI-driven creative analysis contributing to a nearly 30% uplift in global marketing ROI, better marketing and insight alignment driving an 11% increase in sales with no additional marketing investment, and a MMM measurement framework helping unlock $7 million to $10 million in incremental marketing investment. 

Growth Decoded is available via Gain Theory’s website and YouTube channel, with full-length episodes supported by expert perspectives and a series of short-form films being released across Gain Theory’s channels throughout 2026. 

If you would like to discuss any of the themes covered in the Growth Decoded series, please contact us.