Latest / The Marketing Career Podcast with Fexingo: Marketing Jobs, Skills, and Career Growth / How Marketers Build a Decision Journal
Transcript
- Lucas: The hardest part about being a marketer isn't executing the campaign; it's remembering why you made the specific call that got you there in the first place. Luna: Right, because by the time you're reviewing the quarterly results, the context of that Tuesday morning decision feels like ancient history. Lucas: Exactly. And that amnesia is dangerous. If you can't reconstruct your original logic, you can't tell if you were good or just lucky. That is why we are talking about the Decision Journal today. Luna: I love this because it turns abstract strategy into something tangible you can actually audit. Lucas: It is basically a logbook for your professional judgment. Let me give you a concrete example that changed how I view my own work. It involves Amazon and their Buy Box algorithm. Luna: The Buy Box? You mean that feature where one seller gets the immediate add to cart button on a product page? Lucas: Yes. For third-party sellers, winning the Buy Box is everything. It is estimated that seventy percent of all sales happen right there in that single widget. A few years back, Amazon quietly tweaked the weighting of their algorithm. Luna: And suddenly half the marketplace was panicking because their conversion rates dropped overnight. Lucas: Precisely. Most sellers reacted by slashing prices. They assumed the algorithm now favored low cost above all else. But a savvy marketing leader at a mid-sized consumer goods brand did something different. Luna: She didn't drop the price? That sounds incredibly risky in the moment. Lucas: It felt risky. Instead, she pulled her team aside and wrote down three things: her hypothesis, the evidence she was seeing, and her confidence level. She hypothesized that Amazon was prioritizing delivery speed over raw price. Luna: So she bet on logistics instead of discounts? Lucas: She did. She invested in faster shipping options rather than eating margin. Two months later, the data confirmed it. The algorithm had shifted weight toward Prime eligibility and delivery velocity. Her decision wasn't based on a hunch; it was documented and testable. Luna: That is such a clear distinction between reactive panic and strategic positioning. Lucas: And here is the critical piece most people miss. You have to record your emotional state too. Were you anxious? Overconfident? Pressured by a deadline? Those feelings skew judgment. Luna: If you don't note that you were stressed, you might blame the market for a mistake you made in a fog. Lucas: Spot on. So how do you actually build this? Start with a simple template. Date, decision, expected outcome, and the rationale. Keep it under five minutes. Luna: Five minutes max. That is realistic for anyone juggling a full workload. Lucas: Realistic is the key word. If it takes an hour, nobody will do it. Use a basic spreadsheet or a notes app. The medium doesn't matter; the habit does. Luna: But what about the review phase? Writing it down is only half the battle. Lucas: The review is where the magic happens. Set a calendar reminder for ninety days out. Look back at your entry. Did the outcome match your expectation? If not, why? Luna: Did I misread the data, or was my initial logic flawed even with perfect information? Lucas: Those are the two questions that separate senior leaders from individual contributors. Senior leaders understand they can control the process, but not always the outcome. Luna: It removes the ego from the failure. You aren't bad; your model was just incomplete. Lucas: Exactly. It turns failure into data points rather than personal indictments. This is especially vital in marketing, where attribution is notoriously messy. Luna: Yeah, trying to prove which ad drove a sale is hard enough without blaming yourself for being stupid. Lucas: It protects your career longevity. When you get promoted, you want to show that you have a repeatable framework for making hard calls under uncertainty. Luna: A decision journal becomes proof of your intellectual maturity during interviews. Lucas: It absolutely does. Recruiters love candidates who can articulate their thought process. Most people just talk about results. Talking about the is rare. Luna: I think a lot of marketers skip this because they feel like they should just 'know' the answer intuitively. Lucas: Intuition is just compressed experience. But if you haven't written it down, you can't compress it effectively. You keep reinventing the wheel every quarter. Luna: So it is really about building a personal library of wisdom that you can access later. Lucas: Yes. And it helps you spot patterns in your own behavior. Do you tend to be too optimistic in Q4? Do you underestimate creative testing in January? Luna: Oh, I definitely underestimated creative testing last year. My journal would have saved me weeks of wasted budget. Lucas: See? That is the ROI. You stop repeating the same expensive mistakes. It makes you sharper, faster, and more resilient. Luna: It also makes you a better mentor. You can look back and explain exactly where the trap was. Lucas: That is a fantastic point. Leadership is largely about teaching others how to think, not just what to think. Your journal becomes your lesson plan. Luna: I am going to start one tomorrow. Just a simple doc for my current project launch. Lucas: Do it. Write down the risk you are taking. Note why you think it will pay off. Then set the reminder for ninety days. Luna: Ninety days. That feels like the sweet spot. Long enough for results to emerge, short enough to remember the details. Lucas: It is the perfect horizon for most marketing cycles. Anything shorter and you are just logging tasks. Anything longer and the context fades too much. Luna: This has been a really grounding conversation. It feels less glamorous than viral campaigns, but probably more valuable. Lucas: It is the unsexy work that pays the bills. Or at least, keeps your job. Luna: Well said. Before we wrap up, I wanted to mention something about how we make these conversations possible. Lucas: Right. We spend hours researching cases like the Amazon Buy Box example, refining the scripts, and ensuring the audio quality is crisp for your commute. Luna: If these discussions have helped you sharpen your own career toolkit, consider supporting us directly. Lucas: Listener support allows us to keep this network ad-free and independent. You can find us at buy me a coffee dot com slash fexingo. Luna: Even a small contribution helps us keep digging deeper into the topics that matter most to your growth. Lucas: Thank you for that consideration. Now, back to the journal. Luna: One final thought on the review process. Should we share those reviews with our managers? Lucas: Selectively. Share the insights, not necessarily the raw draft. Show them how you corrected course based on past errors. Luna: It shows proactive learning. Managers love that kind of ownership. Lucas: They do. It signals that you are invested in your own trajectory. It moves you from employee to partner. Luna: Partner. I like the sound of that. Okay, I'm opening a new document right now. Lucas: Good. Let's see if we can catch our next bias before it costs us a quarter. Luna: Deal. See you next time.