Effie Papadimitropoulou

Delivered full platform training to 40+ participants in the first month, and ran product demonstrations that helped close a ~€500K contract. Co-designed prevention use cases with government clients and managed both platform onboarding and API-first integrations, building the team’s issue tracking system by integrating 4 tools and resolving escalations early.

Managed the company’s largest commercial partnership across six European markets, responsible for half of total revenue while maintaining retention above 95%. Built and automated onboarding, adoption, and renewal workflows in the CRM, led executive business reviews and renewal negotiations, and published 3 client success stories that supported account advocacy and expansion opportunities.

Provided API integration support across a high-volume international portfolio. Earned promotion to Senior Account Manager within two years for building strong client relationships.

Managed end-to-end digital and social campaigns for Vodafone and IASO, including proposal preparation, briefing, budget management, and delivery of results. Coordinated across creative, media, and production teams and presented strategy and performance to senior brand stakeholders.

Promoted to Brand Content Strategist to lead team training and support a cross-Atlantic product collaboration with New York headquarters. Transitioned into a client-facing role to pursue the customer success path directly.

Developed AI-optimised multi-channel content for global brands in finance, retail, and pharma. Worked with data science teams to continuously improve performance against client KPIs.

Completed e-learning coursework at NKUA in 2020.

Earned a B.Sc. in Mathematics with a focus on Data Analysis at the University of Patras from 2013 to 2019.