Gain Theory

Client Success Manager (MMM)

Gain Theory · London, United Kingdom

Posted 28 days ago

or apply directly on Gain Theory's site. We never take the application ourselves.

Is this posting real?

This role has been open
28 days
Gain Theory's roles stay open a median of 37 days
Reposted
No
Salary listed
No
0% of Gain Theory's roles list one
Ghost-job risk at Gain Theory
high
1 stale, 0 reposted of 2 open
Hiring momentum
4 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Gain Theory's own greenhouse board since 2026-08-03. Full hiring picture for Gain Theory.

About this role

The Client Success Manager at Gain Theory will be responsible for ensuring optimal delivery and client satisfaction by managing multiple projects and collaborating with cross-functional teams. This role involves interpreting data analytics, delivering high-quality client materials, and supporting client growth initiatives. The ideal candidate will leverage their experience in project management and client relationship management within the marketing effectiveness and analytics industry.

Our read on this posting3.0out of 5
benefits
3/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Gain Theory as an employer.

What you need

  • 3+ years of experience in an analytically focused leadership role, preferably within marketing analytics, consulting, or a related field
  • 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 strategic thinking and problem-solving skills
  • Strong commercial mindset with experience identifying new opportunities

What you get

  • Growth and development
  • Meaningful work
  • Flexible by design
  • Brilliant benefits
  • Culture with Heart

Worth weighing

  • No salary listed
  • Fast-paced environment may require strong time management skills
  • Role involves managing multiple projects simultaneously which may be challenging for some candidates

Summarised from Gain Theory's posting. Read the full original.

Listed by Gain Theory on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

Apply to a Client Success Manager (MMM) position at Gain Theory - Jobs near me at London, United Kingdom