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Caio Ribeiro

@caioribeiro

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Senior Media Buyer at Sender scaling DTC customer acquisition through paid media.

Brazil

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At Sender, I develop paid media strategies for US DTC brands, scaling new customer acquisition and month-over-month revenue growth. I use creative analysis with tools including Atria, Poppy, Gumloop, Claude, and ChatGPT to inform new creative development.

At Structured, I ran paid social campaigns for e-commerce DTC brands and built creative testing frameworks to find winning ad concepts. I reported on nCAC, New Customer ROAS, and blended ROAS, and analyzed performance across Triple Whale, GA4, Shopify, and Motion.

Across my paid media work, I’ve managed more than $5M in ad spend across cannabis, e-commerce, lead generation, and CPG. I focus on net new customer acquisition and sustainable growth, including keeping nCAC below client targets.

At Facilita Jurídico and V4 Company, I worked on B2B and B2C lead generation, paid campaigns, and conversion tracking. I configured CRM integrations and campaign tracking, and used reporting and A/B tests to assess performance.

Experience

Work history, roles, and key accomplishments

Current

Senior Media Buyer

Current

Sender

Mar 2025 - Present (1 year 7 months)

- Spearheaded end-to-end paid media strategies for high-potential US Direct-to-Consumer (DTC) brands, successfully scaling new customer acquisition and driving month-over-month revenue growth.

- Leveraged a sophisticated suite of advanced AI analytics tools (including Atria, Poppy, Gumloop) and generative AI (Claude, ChatGPT) to conduct deep creative analysis, identifying key performance trends t

Senior Strategist Media Buyer

Structured

Jun 2024 - Mar 2025 (9 months)

Led end-to-end paid social campaigns for e-commerce DTC brands, owning the full lifecycle from setup to optimization and performance analysis.

Key contributions:
→ Generated detailed period-over-period reports (weekly, 14-day, monthly) focused on nCAC, New Customer ROAS, and blended ROAS
→ Built and executed creative testing frameworks to identify winning ad concepts, directly informing broader c

Senior Media Buyer

Stealth White Label Agency

Jul 2023 - Jun 2024 (11 months)

- Leadership in Paid Social Campaigns:
Spearhead comprehensive paid social media campaigns, ensuring seamless execution from initial setup to ongoing optimizations and performance analysis.

-Data Analysis & ROI Enhancement:
Employ advanced testing methodologies to gather and analyze data, refine strategies, and maximize return on investment in paid media efforts.

-Budget Oversight & Cost Efficie

Head of Marketing

Facilita Jurídico

Mar 2022 - Jul 2023 (1 year 4 months)

-Geração de leads qualificados para B2B, B2C;
-Configuração das principais ferramentas de CRM integrado com as plataformas de anúncios;
-Gestão estratégica de tráfego pago e performance, criação e otimização de campanhas nas principais plataformas Google, Facebook, TikTok, LinkedIn, Twitter, Pinterest, Spotify;
-Tracking completo das páginas com a configuração de conversões personalizadas via GTM

Gestor de Tráfego

V4 Company

Sep 2021 - Mar 2022 (6 months)

Led strategic paid media campaigns across Google, Meta, TikTok, LinkedIn, and other platforms, focusing on B2B and B2C lead generation. Managed CRM integrations with ad platforms, implemented advanced tracking via GTM, and customized conversions and pixel setups per campaign. Conducted A/B testing, analyzed performance through GA and dashboards, and optimized campaigns based on audience behavior a