John Thomas Lang

Head of Product 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.