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Adelphi Group

Senior Consultant - Marketing Science

London
Posted 1 day ago
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Agency: OMD

Job Function:

Data and Analytics

Job Subfunction:

Data Science and Analytics

Job Description:

About the Role:

OMD's Decisions Science team play a vital role in ensuring that clients realise the full potential of their marketing investment for maximum growth.

The Senior Consultant role is a senior member of the team and will suit a candidate who is passionate about data and analytics, focused on addressing business questions and wants to lead media and business decision making driving growth for clients.

The successful candidate will have a proven record of combining a creative approach to analytic problem solving with smart technical know-how and polished project management/people skills.

Senior Consultants are the client-facing leads for effectiveness, who get to the heart of the questions clients need answering. You will grow the depth of those client relationships and have a clear understanding of the commercial goals of the agency.

KEY RESPONSIBILITIES:

  • Build and maintain strong relationships across agency contacts and clients, acting as an expert in your field
  • Manage for client engagement, ranging from project delivery to consultancy and solutions upsell
  • Lead on projects and in meetings, articulating insights clearly and persuasively to both technical and non-technical audiences
  • Help identify new opportunities within clients’, working with senior team members to develop these, together with fee proposals for new work
  • Create cohesive, motivated and effective teams, setting clear direction and expectations to ensure smooth delivery and high-quality standards
  • Contribute to driving marketing effectiveness – taking a lead in the Advanced Analytics community, sharing and collaborating with other analysts
  • Lead on day-to-day management and training of the team, overseeing the professional and technical development of more junior team members
  • Help develop new solutions and analytical approaches, as well as contributing and support in new business pitches as required
  • Stay updated on industry trends, emerging technologies and evolving media landscapes to keep the agency ahead of the curve

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Skills Needed:

  • A degree or equivalent experience in economics, econometrics, statistics or similar quantitative discipline.
  • Extensive experience with regression modelling techniques, media measurement (A/B Testing) and causal inference methodologies.
  • Strong communication and stakeholder-management skills
  • Proven track record of leading measurement projects end-to-end, including client communication and team management.
  • Ability to translate technical outputs into commercially-actionable recommendations and deliver them to non-technical audiences
  • Knowledge of a scripting language (e.g. R or Python, R preferred) and MS Excel.

About the Agency:

At OMD UK, we help our clients make better decisions, faster to unlock extraordinary growth using three industry-leading capabilities: Decisions Science, Connected Performance and Agile Innovation. We transform better customer understanding into faster marketing impact with world-class talent and technology, and we do this with some of the world’s most iconic and influential brands.

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We are part of the world’s largest media network, with more than 12,000 people working in over 100 countries and are currently AdWeek’s Global Media Agency of the Year.

https://omduk.com/

Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager. Our objective is to increase this requirement over time, and many of our agencies as well as Omnicom’s corporate group already require five days of in-office attendance.

Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us—we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.

Link to Recruitment Privacy Notice: https://www.omc.com/privacy-notice/

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Skills

Regression Modelling
Media Measurement
A/B Testing
Causal Inference
Stakeholder Management
Project Management
R
Python
MS Excel
Data Analysis
Client Relationship Management
Marketing Effectiveness

Location

London, England, United Kingdom

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