Reach your next phase of growth.
We bring the proven strategies and systems from working across dozens of consumer subscription products, and put them to work to reach your growth goals with speed and confidence.



Michael Berliner
Founder of Otter Growth Advisory. Michael led product growth at MasterClass through its pandemic-era hyper-growth and built product-led growth at Calm from the ground up. Now he works hands-on with founders and product teams to find their next phase of growth.
Growth Strategy & Roadmap
Where growth is coming from, where it's leaking, and what will move the needle.
Conversion & Product Optimization
Where the funnel underperforms and why, then prioritized experiments.
Activation & Retention
The early behaviors that predict whether a user sticks or churns.
Pricing & Packaging
Willingness-to-pay research and plan structure that grows revenue.
User Acquisition
Build, optimize, and scale the right channels for your business.
Team Building & Mentorship
Assess the growth team and fill the capability gaps that matter.
Fractional CPO / CMO
Embed with your leadership team as a hands-on product and growth lead.
The best B2C teams don't plan a launch.
The teams that win aren't chasing a launch moment. They build a system that compounds from day one.
Targeting is dead.
Open a Meta account and if the first thing you see is a stack of interest audiences and lookalikes, the problem is already clear. These accounts are won on creative now.
Your team needs to be top 0.1% AI power users.
Not top 10%. Not top 1%. Top 0.1%. The bar for what a modern operator ships has moved, and most teams haven't caught up.
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