Ioanna Harmantzi

- Managed and optimized Google Ads, Bing Ads, and Meta campaigns with a $75,000/month performance budget, aligning spend to cost, volume, and efficiency targets - Analyzed digital performance metrics, consumer journeys, and traffic data to increase conversion rate by 18% and reduce cost per acquisition by 12% - Maintained tracking and performance monitoring to ensure accurate measurement across campaigns

- Supported paid social media campaigns by coordinating assets, timelines, and campaign launches with advertisers and agencies - Streamlined content workflows to ensure timely uploading and organization of content and marketing materials for digital campaigns - Collaborated with advertisers and agencies to verify and secure marketing collateral needed for campaigns - Created and scheduled social media content to maintain consistent presence and support broader marketing initiatives

- Managed social media presence and created content across platforms to support brand and performance goals - Planned and executed paid social campaigns that achieved a 4–5x return on ad spend (ROAS) - Grew and managed the online community, increasing audience size by 35% through engagement-focused initiatives - Executed email, Viber, and SMS campaigns, building new opt-in funnels to support ongoing marketing efforts

Supported digital marketing activities across social media and campaigns as part of the marketing team

Thesis: GenAI Applications in English as a Foreign Language (EFL) Acquisition