Strategic Client Success Manager - Analytics

Gain Theory; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Gain Theory is a global marketing effectiveness and foresight consultancy. Our Client Success Manager role reports to the Client Success Director and focuses on delivering data-driven client outcomes in a fast-paced environment.

You will collaborate with cross-functional teams, translate analytics into client-ready insights, and drive projects to maximize client satisfaction and growth.

Qualifications

• 3+ years in analytically focused leadership in marketing analytics or consulting.
• Strong understanding of Marketing Mix Modeling, econometrics, or attribution methods.
• Proven ability to lead, manage, and develop high-performing Client Success teams.
• Demonstrated ability to manage client relationships and communicate complex analytics to non-technical audiences.
• Strong commercial mindset with experience identifying new opportunities.
• Excellent communication, presentation, and stakeholder management skills.
• Proven project management experience, with the ability to manage multiple projects simultaneously.
• Bachelor’s or Master’s degree in a quantitative field.

Responsibilities

• Drive optimal client project processes for work delivery and client satisfaction.
• Deliver high-quality client materials in line with strategic objectives.
• Contribute to collaborative team learning and knowledge sharing to strengthen capabilities.
• Deliver in specific areas of client engagement and management as defined by client leadership.
• Support with client growth initiatives and new business pitches.
• Cross-collaboration with analytics, data, and ops team members to ensure a well-functioning squad with high levels of satisfaction.
• Maintains a strong focus on the Marketing Effectiveness & analytics industry and those of our clients.

Skills

Data interpretation

Client relationships

Project management

Stakeholder management

Strategic thinking

Education

Bachelor’s or Master’s degree in Statistics, Economics, Mathematics

Tools

Excel

PowerPoint

R

Python

Job description

Gain Theory is a global marketing effectiveness and foresight consultancy. Our Client Success Manager role reports to the Client Success Director and focuses on delivering data-driven client outcomes in a fast-paced environment.

You will collaborate with cross-functional teams, translate analytics into client-ready insights, and drive projects to maximize client satisfaction and growth.