Senior Account Manager

Epsilon

📍 South Korea, Seoul, South Korea

full time Advertising, Marketing, Promotions, Public Relations, and Sales Managers Posted February 20, 2026

Job Description

Overview
The Client Success Manager (CSM) is empowered to manage all aspects of the retailer relationships, from training internal teams to understand the benefits of our platform across their entire teams, making recommendations (with the support of the retail lead) including the trading and e-commerce sales divisions, through to supporting suppliers get the best out of the Epsilon Retail Media Network (RMN) platform. The position requires strong interpersonal skills to manage day-to-day client communication, a strategic mindset to help develop media recommendations and
help to deliver the retailer's goals.

Responsibilities and duties:
  • Retailer Relationship:
    • Managing the day-to-day communication and collaboration with external brands/suppliers and internal cross-functional team members.
    • Establish and communicate timelines of deliverables with suppliers and brand teams.
    • Present the platfor...