Acquisition gets the headlines, but your existing customers quietly drive the margins that fund everything else.
Onboarding, nurture, win-back, and referral — done well, these compound into a channel that costs less and converts more over time.
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Anna Colibri is Founder of Colibri Digital Marketing, a full-service, B Corp-certified digital marketing agency she established in San Francisco in 2012. As the agency's founding strategist, she built Colibri's approach to digital marketing from the ground up — bringing a cross-disciplinary lens shaped by her education at UC Berkeley and UC Davis. Her grounding in human behavior, community development, and social work gives her a distinctive framework for understanding how audiences think, make decisions, and build trust with brands. She has written more than 250 articles for business owners and marketers on strategy, sustainability, and growth — covering email marketing, ecommerce SEO, copywriting, content strategy, and how purpose-driven businesses use digital marketing to build something that lasts.
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