Summary
Overview
Work History
Education
Skills
Timeline
Generic

Marta Fonseca

Social Media, Branding & Content Strategist |,São Paulo, SP

Summary

Social Media, Branding, and Content Strategist with 15 years of experience in online community growth, brand storytelling, and multi-platform content strategy. Built and engaged an audience of 80,000+ followers over a decade; delivered high-impact campaigns to a grocery digital retail startup, increasing conversions by 53% and retention by 30%. Skilled in organic and paid social growth, influencer partnerships, and brand positioning, blends creativity with performance to drive meaningful engagement.

Overview

15
15
years of professional experience

Work History

Branding, Social Media & Communications Strategist

Mercado Diferente / Tedi (spin-off)
Sustainable Ecommerce Platform
05.2024 - Current

Led branding and social media strategy, creating campaigns to strengthen the brand's digital presence.

  • Achieved a 53% increase in conversions through influencer marketing and tailored sponsored content.
  • Developed organic campaigns and engagement strategies, increasing customer retention by 30%.
  • Managed and coordinated content creators, overseeing briefings, deliverables, and performance analysis.
  • Designed and delivered strategic partnerships and co-branding collaborations with brands such as Electrolux and Korin that delivered revenue on top of branding awareness.

Content Creator & Digital Strategy Consultant

Armário de Madame
My Brand As An Influencer
07.2010 - 07.2024
  • Founded and managed a community of 80,000+ followers on Instagram, evolving communication strategies over 14 years while maintaining authenticity.
  • Sustained an average engagement rate of 6.6%, twice the benchmark for lifestyle influencers with ~100,000 followers, an impressions of up to 2.4M
  • Created digital campaigns and interactive content for brands like O Boticário, Natura, L'Oréal, Nivea, Heineken, and Fiat, working directly with agencies and brands.
  • Developed organic engagement and growth strategies, tripling social media interactions.

Producer and Reporter

SBT
Local Television Network
04.2016 - 11.2017

Produced TV content and hosted a recurring segment about fashion and beauty on a local channel.

Education

Bachelor - Journalism

Unijorge

Certificate - Viral Marketing

University of Pennsylvania

Certificate - Social Media Management

Meta

Skills

  • Content strategy and development: narrative development, multi-platform content strategy, community engagement and growth
  • Social media and digital branding: social listening and audience insights, influencer and creator management, brand positioning
  • Partnership and co-branding campaigns
  • Content creation and design using CapCut, Canva, Figma, Adobe Premiere
  • Social media management and analytics: Hootsuite, SproutSocial
  • Support to paid social strategy, including Meta Ads, TikTok Ads, HubSpot
  • Performance analysis: content performance tracking, and A/B testing and experimentation
  • Email marketing: MailChimp
  • Project management: Trello and Notion
  • Advanced English and Spanish, native Portuguese

Timeline

Branding, Social Media & Communications Strategist

Mercado Diferente / Tedi (spin-off)
05.2024 - Current

Producer and Reporter

SBT
04.2016 - 11.2017

Content Creator & Digital Strategy Consultant

Armário de Madame
07.2010 - 07.2024

Bachelor - Journalism

Unijorge

Certificate - Viral Marketing

University of Pennsylvania

Certificate - Social Media Management

Meta
Marta Fonseca