Marianna Kefallinou

Account Strategist at Initiative

Lead end-to-end campaign strategy and execution for major clients, managing relationships with media partners across TV, out-of-home and sponsorship channels. Oversee planning, budgeting, and delivery in collaboration with finance and investment teams; develop post-campaign performance reports; advise clients on digital strategies (Search, Display, Video, Performance Max); build integrated media solutions and bespoke partnerships; coordinate cross-functional teams to ensure high-impact, cost-efficient activations.

Radio Producer & Journalist at Initiative

Researched, wrote, translated, and produced audio content, including news, current affairs, and community stories for radio and online platforms. Managed end-to-end production: interviewing talent, recording, editing, and publishing broadcast material. Created engaging scripts tailored to Greek-speaking audiences. Produced podcasts and managed digital publication across SBS Audio & Language Content.

Events and Marketing Coordinator at Initiative

Played a key role in the strategic planning and execution of high-impact events, including managing invitations, guest communications, venue logistics, catering, and on-site coordination. Led end-to-end planning and delivery of major national and state conferences; developed and implemented social media strategy across Initiative’s channels to increase visibility and engagement.

Sales Associate at Retail Solutions

Assisted customers with product needs, provided tailored recommendations, and ensured a high standard of customer experience; maintained product knowledge and supported sales processes.