Job Number: 17737

External Description:

Job title - Content Effectiveness Manager

Location- Paddington - Hybrid

Contract - 9 months ( maternity cover)

Hours -The position is for 37.5 hours per week, with the flexibility to condense this into a 4-day working week if preferred.

Mars Horizon Communication Lab, through Randstad Sourceright, seeks a Content Effectiveness Manager for a central team. The role focuses on globally boosting content and creative effectiveness across Mars' Snacking, Food, and Petcare segments to maximize content investment impact. Responsibilities include delivering over 500 annual creative effectiveness reports, embedding global best practices, piloting new measurement solutions, and jointly providing high-quality creative insights and reporting..

Key Responsibilities

• Partner with external agencies to execute creative testing, analyse and interpret results, and present clear, actionable recommendations to internal stakeholders
• Act as a creative effectiveness expert within the business, distilling complex data into relevant insights for brand and creative teams
• Contribute to the development of creative playbooks and support the delivery of creative excellence and education sessions
• Support internal KPI reporting to enable senior leaders to track strategic objectives related to content effectiveness and content usage
• Help scale and embed new content effectiveness measurement tools across Mars markets and segments

What You’ll Gain

 

• Exposure to a broad range of categories across Mars (Snacking, Food, and Petcare)
• Experience working at the intersection of insight, creativity, and strategy
• The opportunity to shape global best practices and influence creative excellence across markets

What We’re Looking For

 

• Experience in Consumer & Market Insights or Creative Effectiveness (client-side or agency-side)
• Strong analytical skills with the ability to translate data into compelling storytelling
• Autonomous, proactive, and highly collaborative working style
• Excellent communication and stakeholder management skills

Job Number: MARS80635

Community / Marketing Title: Content Effectiveness Manager

Location_formattedLocationLong: London, Greater London GB