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Dear Mr. Vendor: Lead With the Problem You Solve  episode artwork

Jun 25, 2026 50 min

Dear Mr. Vendor: Lead With the Problem You Solve

from The MarTech Matrix Hosted by Sean Simon

Most people in MarTech have sat on one side of the table. Thomas Mercier has sat on all of them. Vendor. Agency. Brand. Publisher. Consultant. From Quantcast to OMD to Activision to WildBrain — Thomas has seen how technology gets bought, sold, evaluated, and ignored from every angle. That makes his take on vendor pitches, ethics, and sustainability unlike almost anyone else's. In this episode, we go deep on: → The #1 thing vendors still get wrong (and have always gotten wrong) → Why credibility is a two-way street — buyers have work to do too → How Thomas built a sustainability framework at Activision that cut carbon emissions 30% without hurting ROAS → What ethics in advertising actually means — beyond compliance → The microphone activation story every vendor should hear → How Gen Z is rewiring brand loyalty around ethics, not punch cards → His single best piece of advice for every sales rep If you sell to brands or evaluate vendors for a living, this one is required watching. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ CHAPTERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 00:00 The Unintentional Career Path 02:12 Mind Shifts in Role Transitions 04:17 Understanding Client Complexities 06:51 The Importance of Relevancy in Sales 08:43 Ethics in Children's Media 12:43 Navigating Ethical Challenges in Advertising 16:49 The Process of Vendor Evaluation 19:51 Managing Vendor Relationships 23:35 Establishing Credibility with Vendors 26:53 Mutual Respect in the Industry 28:10 The Importance of Transparency and Trust 29:40 Shifting Consumer Loyalty and Brand Ethics 36:20 Understanding Sustainability in Marketing 44:17 Leveraging AI for Efficiency 46:54 Advice for Sales Reps: Building Relationships ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ KEY TAKEAWAYS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Lead with the problem you solve — not the product you can sell 2. Credibility goes both ways. Buyers need to show up prepared too. 3. Buyers are more organizationally complex than they appear from the outside 4. Ethics is a stricter filter than legal compliance 5. Sustainability is now a real tiebreaker in vendor selection — at equal benefits 6. Be transparent about what your product DOESN'T do 7. Treat vendor relationships like partnerships, not transactions 8. Block calendar time for vendor discovery — it's part of the job 9. Consumer loyalty is shifting. Ethics and sustainability are the new moat. 10. Dare to ask the question — most people in the room have the same one

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This episode was published on June 25, 2026.

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