Launch with a message that lands.
GTM messaging strategy for VC-backed startups and fast-moving teams.
Clarity is key to GTM.
I’ll help you unlock it. 🔓
The product’s nearly there — but the story isn’t.
Internally, everyone’s saying something different.
The homepage brief isn’t quite landing.
The deck’s still evolving.
Marketing wants direction.
Product wants precision.
Sales wants confidence.
And you? You’re trying to align the ship — all while shipping it.
That’s where I come in.
To clear things up.
Shape the message.
Pressure-test the angles.
Align your teams.
Write what matters.
Until everyone’s bought in.
I’m your GTM messaging partner — from WTF to LFG.
Messaging starts with human intelligence.
I’m James Aviaz — messaging consultant and founder of Modern English.
Copywriter, strategist, sounding board — I help GTM teams get clear on what they’re really trying to say.
I do what AI can’t: bring empathy and expertise to your proposition — and push for what truly connects.
Messaging isn’t a prompt. It’s a conversation — and I know where to take it.
✅ 15+ years shaping GTM strategy into growth
✅ Messaging for Series A-C startups & global brands
✅ Strategic partner to founders, PMMs and brand teams
Trusted by global brands and VC-backed startups.
Messaging for Growth, Brand & Product Marketing leaders.
Spotify ~
Linktree ~
Pilot ~
Origin ~
Zing Coach ~
Spotify ~ Linktree ~ Pilot ~ Origin ~ Zing Coach ~
I’ll take you from strategy to launch-ready.
1️⃣ Strategic Alignment
☑️ Get clear on product, audience, value
☑️ Extract your GTM message from decks and docs
☑️ Spot what’s slowing down your story and team
2️⃣ Message & Voice Development
☑️ Build the GTM narrative and messaging hierarchy
☑️ Define how your product sounds — and doesn’t
☑️ Tailor messaging to users, buyers, teams
3️⃣ Copy Execution
☑️ Write sharp, conversion-ready copy
☑️ Turn strategy into copy your audience understands
☑️ Keep your message consistent across every surface
4️⃣ Launch Support
☑️ Polish final assets and tighten key messaging
☑️ Stress-test the message for clarity, consistency
☑️ Stay on-call for tweaks and last-minute decisions
Copy built to ship — and scale.
🚀 What I Deliver:
The core launch line that pulls the story together
A written messaging framework with narrative, value props and core copy blocks
Internal messaging decks for board, agency and investor alignment
Homepage and landing page copy (hero lines, value props, CTA)
Launch email sequences (announcement, onboarding, reactivation)
Clear, benefit-led descriptions of key features and how they solve real problems
Voice and tone guidance with phrasing rules and sample lines
🛠️ What You Can Develop:
In-product UX copy (tooltips, modals, onboarding flows)
Ongoing blog, email or content marketing built on the framework
Social posts or campaigns drawn from the launch story
Ads and PR built from your core message
AI prompts using the voice and value props we define