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Original
2026-02-01
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2026-03-10
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<p>Marika Tselonis is the director of retention at Kulin, where she leads lifecycle strategy for ecommerce brands focused on sustainable growth. With nearly a decade of experience in retention, lifecycle, and performance marketing, she builds high-impact email and SMS programs grounded in clean data, smart segmentation, and customer-first thinking. A Klaviyo Champion and trusted retention advisor, Marika has partnered with brands across apparel, wellness, CPG, and lifestyle to turn automation into a scalable growth channel and drive long-term customer value.</p>
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<p>Marika Tselonis is the director of retention at Kulin, where she leads lifecycle strategy for ecommerce brands focused on sustainable growth. With nearly a decade of experience in retention, lifecycle, and performance marketing, she builds high-impact email and SMS programs grounded in clean data, smart segmentation, and customer-first thinking. A Klaviyo Champion and trusted retention advisor, Marika has partnered with brands across apparel, wellness, CPG, and lifestyle to turn automation into a scalable growth channel and drive long-term customer value.</p>
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<h2>Posts by this author</h2>
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<h2>Posts by this author</h2>
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<a></a><p><a>WhatsApp vs. SMS</a></p>
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<a></a><p><a>WhatsApp vs. SMS</a></p>
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<p>Choosing between SMS and WhatsApp? This guide explains how to prioritize channels by regional usage, cost, and features not just pricing.</p>
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<p>Choosing between SMS and WhatsApp? This guide explains how to prioritize channels by regional usage, cost, and features not just pricing.</p>
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<a></a><p><a>How BIS SMS messages turn waitlists into revenue</a></p>
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<a></a><p><a>How BIS SMS messages turn waitlists into revenue</a></p>
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<p>Out-of-stock doesn’t mean lost revenue. Learn how back-in-stock SMS helps retention teams act on intent and convert waitlists in real time.</p>
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<p>Out-of-stock doesn’t mean lost revenue. Learn how back-in-stock SMS helps retention teams act on intent and convert waitlists in real time.</p>
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