About: Tanner Rankin CEO, Fractional CMO, Consultant, Author, Speaker
Tanner Rankin is the Fractional CMO for eCommerce, who leads the strategy and execution of eCommerce marketing by installing the Brand Operating System, which generates strategy in minutes, aligns teams instantly, and governs AI automatically.
Tanner specializes in replacing random acts of marketing with a system built for rapid, scalable growth, an asset brands actually own, rather than rent.
Tanner brings 10+ years of operator experience as the CEO of The Source Approach (eCommerce Fractional CMO Consulancy) and Referazon (Amazon Influencer Search, CRM, & Shoppable Video Platform).
Seen on: Forbes, Entrepreneur, The Business Journals, Tanner is an Amazon Keynote Speaker, and an eCommerce Keynote Speaker, and as an Author, has authored SEO For Everyone and Social Media Marketing For Everyone.
What’s the
Source Approach?
Over a decade ago, I stepped in as a new CMO for a rapidly scaling brand. On paper, we had it all: high-budget agencies, brilliant freelancers, and a great product. But the results were inconsistent, and the churn was expensive. We were burning through cash and talent, yet we felt stuck.
The turning point came during a tense meeting with the CEO. He slammed his hand on the table and said something I will never forget:
“Everyone we hire tells a different story. The ads don’t match the emails. The SEO doesn’t match the brand. None of this sounds like us.”
The Lightbulb Moment He was right. We didn’t have a talent problem; we had a translation problem.
We had distinct “silos”—Amazon, Social, Email, PPC, SEO—all operating in isolation. Each agency was improvising, guessing at the brand’s voice and strategy. We were fragmented, and the customer could feel it.
The Invention: The First “Source Code” I realized we couldn’t just “manage” these teams; we had to align them at the DNA level.
I built the first iteration of The Source Approach: a centralized “Source Code” that bottled the founder’s vision, the product truth, and the customer psychology into a Single Source of Truth (SSOT). Suddenly, every freelancer and agency was singing from the same sheet music. Chaos turned into clarity. Revenue followed.
The Evolution: Enter the AI Era Then, the AI revolution hit. I saw brands making the same mistake again—feeding generic prompts into powerful AI tools, resulting in hallucinations and generic copy.
I realized that the Source Code I built for humans was actually the missing link for AI.
The Solution Today: Brand Source OS Today, I don’t just manage marketing. I install the Brand Source OS.
This is the Operating System that houses your brand’s intelligence. It is the central brain that teaches your human teams and trains your AI.
As your Fractional CMO, I act as the architect and the operator. I ensure that every agency, every freelancer, every in-house team member, and every AI prompt draws from the same Source. No more fragmentation. No more hallucinations. Just one unified, dominant brand, scaling profitably.
