Mariel Bacci-Kilroy's Articles on Martech Zone
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Mariel Bacci-Kilroy
Mariel Kilroy is Co-Founder and COO of Sticky Digital, a retention-only email and SMS agency and Klaviyo Platinum Partner working exclusively with direct to consumer ecommerce brands. She leads delivery across a portfolio spanning beauty, wellness, food and beverage, and apparel, where clients consistently attribute 35 to 50 percent of total store revenue to email within six months. Sticky Digital was voted Retention Marketing Agency of the Year.
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Mariel Bacci-KilroyNov 4, 2026Your Email Deliverability Problem Is Almost Never a Content Problem
When open rates fall, most ecommerce teams start at the top of the stack. They rewrite subject lines, swap the hero image, argue about send times, and run an A/B test on the preview text. Sometimes that works, and when…