David Cullinan

I'm a growth strategist and writer with deep experience across fintech, Web3, climate tech, and emerging markets. I’ve helped launch and scale VC-backed startups, carbon credit platforms, and blockchain projects, translating complex ideas into clear, high-authority content. My work blends real-world experience as a fractional CMO and founder with a sharp editorial voice shaped by years of strategic communications. Whether you're building in crypto, scaling a green energy product, or positioning a fintech venture for investment, I craft copy that informs, persuades, and converts.