The best products don't win people over. 

The best stories do.

I'm a Product Marketer with 10+ years building GTM and growth strategies at the intersection of product, marketing, and culture. I've helped brands like TikTok, Spotify, and HYPEBEAST drive adoption by prioritizing cultural relevance over reach, understanding what people already care about and positioning products as part of those stories.

Now I do the same for tech brands, from startups building 0-1 to enterprise companies scaling adoption, translating complex solutions into culturally relevant customer narratives that drive revenue and adoption.

WHAT I DO

I help startups and enterprise teams build go-to-market strategies rooted in cultural insight, the kind that influences buyer behavior, aligns cross-functional teams, and drives sustainable adoption.

My Approach:

• Cultural Insight & Strategy: I surface the cultural tensions and behaviors shaping how buyers actually decide, then translate those insights into strategic business direction leadership can align on

• Positioning, Messaging, & Storytelling: I turn product value into differentiated narratives that clarify why you win and scale across products, markets, and audiences without losing coherence.

• Channel Strategy: I focus investment where your audience already engages, creating leverage instead of spray-and-pray execution across too many channels.

• GTM Execution: I help you launch with a single strategic through-line, so every campaign, launch, and activation reinforces the same core idea across teams.

• Ghostwriting Thought Leadership: I help founders and executives scale their influence by ghostwriting content that turns their insights into market-shaping POVs that build trust and authority.

WHO I WORK WITH

I advise and collaborate with: 

• Early-stage SaaS & AI founders (pre-seed to Series A) 
• Accelerators, builders & startup ecosystems 
• Institutions supporting underserved students, founders, and professionals

I work across enterprise AdTech, SaaS, AI, and startup ecosystems.

MY FOCUS 

Beyond the work, I'm committed to leaving places and people better than I found them. That means supporting products that improve lives. Driving economic opportunities in underserved communities. Helping people turn entrepreneurial dreams into reality. Doing the work that makes a difference.

Let's Connect 

📧 For advisory, speaking, or collaboration: wadnes@kapab.co
🎓 Free email course: Building culture-first GTM strategies (link in Featured) 
💬 Follow for insights on cultural GTM and product marketing

Six weeks ago I had an idea.
Six weeks later, I finished it.

Six drafts.
Six newsletters.
Six LinkedIn posts.

One complete series.

If you’re new here, I help startup founders think clearly about how to bring new products to market and reach the right customers.

I didn’t build this for hype.
I built it because hype fades.

New tools will launch.
New products will trend.
New tactics will flood your feed.

That won’t stop. So instead of reacting to noise, I focused on principles.

The ones that still apply whether you’re building a product, launching a service, or selling to consumers or enterprise teams.

Here's a recap of the 5 GTM Laws:

#𝟭 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗱𝗼𝗻’𝘁 𝗺𝗮𝗸𝗲 𝗽𝗲𝗼𝗽𝗹𝗲 𝗺𝗼𝘃𝗲. 𝗜𝗱𝗲𝗻𝘁𝗶𝘁𝘆 𝗱𝗼𝗲𝘀.
↳ People buy what it says about them.

https://lnkd.in/ef3iXZPY

#𝟮 𝗠𝗼𝗿𝗲 𝗿𝗲𝗮𝗰𝗵 𝗱𝗼𝗲𝘀𝗻’𝘁 𝗳𝗶𝘅 𝗰𝗼𝗻𝗳𝘂𝘀𝗶𝗼𝗻. 𝗜𝘁 𝗲𝘅𝗽𝗼𝘀𝗲𝘀 𝗶𝘁.
↳Traffic multiplies clarity or misunderstanding.
 
https://lnkd.in/e_6VRgGJ

#𝟯 𝗜𝗳 𝗽𝗿𝗶𝗰𝗶𝗻𝗴 𝗳𝗲𝗲𝗹𝘀 𝗵𝗮𝗿𝗱, 𝘆𝗼𝘂𝗿 𝘃𝗮𝗹𝘂𝗲 𝘀𝘁𝗼𝗿𝘆 𝗶𝘀 𝗯𝗿𝗼𝗸𝗲𝗻.
↳ When the outcome is clear, the price feels fair.

https://lnkd.in/ebsjUeR5

#𝟰 𝗣𝗼𝘀𝗶𝘁𝗶𝗼𝗻𝗶𝗻𝗴 𝗶𝘀𝗻’𝘁 𝘄𝗵𝗮𝘁 𝘆𝗼𝘂 𝘀𝗮𝘆. 
𝗜𝘁’𝘀 𝘄𝗵𝗮𝘁 𝗽𝗲𝗼𝗽𝗹𝗲 𝗮𝘀𝘀𝘂𝗺𝗲.
↳ If it’s not obvious who it’s for, you're invisible. 

https://lnkd.in/e7rPVGXY

#𝟱 𝗚𝗿𝗼𝘄𝘁𝗵 𝗶𝘀𝗻’𝘁 𝗲𝗳𝗳𝗼𝗿𝘁. 𝗜𝘁’𝘀 𝗮 𝗿𝗲𝗶𝗻𝗳𝗼𝗿𝗰𝗶𝗻𝗴 𝗹𝗼𝗼𝗽.
↳ Each win should make the next win easier.

https://lnkd.in/eXXWZwMJ

I’m proud I finished it.

Not because it was easy.
But because it reflects how I think.

This series forced me to clarify my own thinking.

There’s a line from Jay-Z I think about often:

“Every human being has genius level talent.”

The hard part is identifying it. Then building around it.

Founders don’t fail from lack of ideas.
They fail from scattered execution.

The ones who win choose their lens and build from it.

If you’re building this year:

Don’t just collect ideas.

Choose what you stand for.
Commit to it.
Build from it.

Execution gets it to market.
Earning belief gets it chosen.

Wadnes J. Castelly

Product Marketing & GTM Strategist | Helping Tech Brands Drive Adoption & Growth Using Culture-First Strategies | Startup Advisor | Alum: TikTok, Spotify & HYPEBEAST

If your wins don’t make the next win easier.
You’re not growing. You’re staying busy.

When Chris Paul retired after 21 seasons in the NBA, I kept thinking about what made him last that long.

He wasn’t the tallest or fastest. But he outlasted almost everyone in his 2005 draft class.

When asked how he built a Hall of Fame career, 

Chris Paul said:

“Just keep stacking days.”

Most people hear discipline. I heard design.

He wasn’t stacking random days. 
He stacked fundamentals that reinforced each other.

Every season his reads got sharper and his positioning got smarter.

That’s not effort. That’s a reinforcing loop.

For founders, the same logic applies.

Here’s the loop:

1️⃣ Attract the right people
2️⃣ Help them win fast
3️⃣ Use what you learn to improve

Then repeat.

You ship a feature, run a campaign, close deals, then start from zero next month.

Same energy. Same output. No leverage.

Real growth compounds. 
It makes your work work for you.

→ Better onboarding. Less churn.
→ Clearer positioning. Faster conversions.
→ Stronger trust. More repeat customers.

Each win makes the next one easier.

Ask yourself: Am I building a system that grows, or am I the system?

If it’s the second one, 
you’re building a job, not a business.

Before your next move, ask one question:
Will this make the next step easier?

If it doesn’t, it doesn’t compound.

Products don’t fail from lack of effort. They fail from effort that never stacks.

—

This is GTM Law #5:

Growth isn’t effort. It’s a reinforcing loop.

I break this down in my newsletter series on the 5 GTM principles founders need to build systems that win customers on repeat.

🔗 Link in comments.

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