As brand marketing succeeds, more buyers arrive "pre-sold" via channels like direct traffic or word-of-mouth. Since these are not credited as "marketing sourced," this creates a paradox where marketing's most valuable work is systematically underreported by its primary KPI.

Make "influence" defensible by comparing opportunities with prior marketing engagement to a "cold" cohort. Demonstrating higher win rates, faster sales cycles, and larger deal sizes for the engaged group provides hard, financial proof of marketing's impact on revenue efficiency.

Standard attribution often credits Google due to last-click bias. To find true sources of influence, mandate that the sales team asks every new customer: "How did you *truly* hear about us?" and "Who or what influenced you to sign up *now*?". This reveals the real people and channels driving decisions.

Instead of chasing quantifiable but often misleading metrics like MQLs or pipeline attribution, focus on qualitative feedback from sales. Successful brand marketing means the sales team enters 'warm rooms' where customers are already familiar with and receptive to the company, eliminating the need to start from zero.

Shift the mindset from a brand vs. performance dichotomy. All marketing should be measured for performance. For brand initiatives, use metrics like branded search volume per dollar spent to quantify impact and tie "fluffy" activities to tangible growth outcomes.

Jon Miller calls measuring marketing-sourced vs. sales-sourced pipeline a "terrible KPI." He argues it’s impossible to do accurately due to the complex buyer journey. More importantly, it actively undermines the collaboration required for GTM success by creating a culture of credit-taking instead of teamwork.

The 95/5 rule suggests most B2B buyers aren't actively buying. "Sourced pipeline" is a harvesting metric that only measures the 5% who are in-market. This myopic focus ignores marketing's more strategic role: building brand preference with the other 95% of future buyers.

Instead of defensively protecting metrics like MQL volume, marketing leaders should proactively question their quality and impact on pipeline. This shifts the conversation from blame to curiosity, builds trust with sales, and positions marketing as a strategic revenue driver.

Legacy GTM models relegate marketing to top-of-funnel activities. Data shows marketing’s continued engagement *after* a deal is created significantly impacts outcomes. Deals with active marketing signals during the sales cycle close faster and at a higher rate, proving marketing is a full-funnel powerhouse.