John Thomas Lang
Head of Marketing @ Coinflow
JT is the Head of Marketing at Coinflow and Founder of Purple Martin, a boutique agency helping startups and scaleups grow with purpose. A creative soul with a business mind, JT is a dynamic marketing leader and growth architect with a proven record of transforming ideas into momentum and results.
Across two $1B+ unicorns and multiple fintech successes, JT has built brands, aligned sales and marketing engines, and driven measurable impact — including $300M+ in venture capital raised, $165M+ in ARR, and over 150 partnerships launched. Known for bridging creativity with analytical rigor, JT specializes in go-to-market transformation, content strategy, and building teams that turn ambition into action.
Contributions
How to wireframe a landing page with Balsamiq
The best landing pages start with a strong wireframe. Follow our 6-step guide to clarify your vision and align your team faster.
How to translate noisy market signals into product decisions PMs can use
Learn to separate signal from noise: a practical guide for PMs to turn user, competitor, and trend data into prioritized product decisions.