Investment Director - iProspect & Dentsu X

Job Description:

About Dentsu

Dentsu is an integrated growth and transformation partner to the world’s leading organisations. Founded in 1901 in Tokyo, Japan, and now present in over 145 countries and regions, dentsu delivers end-to-end experience transformation (EX) by integrating Media, CXM and Creative, underpinned by a Business Transformation (BX) mindset.

Amplifi is the investment and innovation arm of dentsu across all media channels and entertainment content. As dentsu’s supply-side platform, Amplifi brings together Investment Management, Media Trading and Content under one proposition — delivering value for clients through leveraged buying, sustainable media income and innovative supply-side partnerships.

Purpose of the Role

The Investment Director will support the Heads of Investment across DX, B2B, iProspect and Carat, driving commercial performance, partner growth and alternative investment adoption across the agency patch.

This role plays a critical part in delivering trading excellence, enhancing partner relationships and embedding a client first mindset to commercial outcomes. The Investment Director will work closely with client leads, commercial teams and media partners to maximise value, drive revenue growth and ensure consistent execution of Amplifi priorities.

Key Responsibilities

1. Forecasting & Revenue Management

• Support monthly forecasting processes, ensuring accurate and timely input from client leads.

• Monitor product, billing and trading performance across the patch, highlighting risks and opportunities.

• Drive improvement in TRR, MORR and trading revenue across relevant business areas.

• Contribute to monthly reporting for senior leadership.

2. Client & Agency Engagement

• Act as a senior investment contact for selected growth accounts, supporting QBRs and client-facing investment discussions for mid to long tail accounts

• Deliver media inspiration sessions across priority channels and partners to drive innovation and incremental revenue opportunities.

• Support onboarding of new business, influencing early-stage spend direction and commercial alignment.

• Represent Amplifi in agency forums, ensuring trading and commercial objectives are clearly communicated and understood.

3. Commercial Growth & Product Adoption

• Drive growth of alternative principal and proprietary solutions, with clear quarterly objectives.

• Support opt-in strategies across client portfolios in partnership with Commercial Development.

• Identify incremental revenue opportunities across the trading book and proactively develop growth plans.

4. Media Partner & Supply-Side Collaboration

• Build and maintain strong relationships with key media partners across London and the North.

• Identify joint growth initiatives and partnership opportunities aligned to agency priorities.

• Support the delivery of Media Partner Days, including one dedicated B2B partner event annually.

• Champion priority partners within the agency through inspiration sessions and internal engagement.

5. New Business & Pitch Support

• Support pitch and renewal processes, working alongside HOIs and client teams.

• Assist in preparing commercial frameworks and FTE requests where required.

• Ensure alternative investment solutions and commercial differentiation are embedded into responses.

6. Celebrating Success & Profile Raising

• Surface and promote best-in-class work across priority channels and partnerships.

• Collaborate with marketing and PR to merchandise success stories.

• Support award submissions and ensure high-impact commercial work is recognised internally and externally.

KPIs & Success Measures

• Growth in principal and proprietary product adoption

• Improvement in TRR, MORR and trading revenue (YoY)

• Number of inspiration sessions and QBRs supported/delivered

• Contribution to pitch win rate and renewals

• Forecast accuracy and reporting timeliness

• Media Partner Day feedback and engagement scores

• Incremental revenue opportunities identified and converted

Qualifications & Skills

• Extensive experience within media planning, buying, investment or commercial trading

• Strong understanding of supply-side dynamics and media partner ecosystems

• Confident communicator with senior stakeholders (internal and external)

• Commercially astute with experience delivering revenue targets

• High attention to detail across forecasting, reporting and deal execution

• Strong analytical capability (Excel proficiency required; strong Powerpoint skills)

• Proven ability to influence cross-functional teams

• Experience using AI to speed up reporting & information processes

What We’re Looking For

• A commercially driven director with a client first view point

• Strong relationship builder with media partners and agency teams

• Comfortable operating across multiple brands and client types

• Solutions-focused, proactive and able to navigate complexity

• Passionate about driving value through innovative investment models

Working with Dentsu

This role sits within Amplifi and reports into the Head of Investment. The team is based from our London office on a hybrid working basis. 

As well as a competitive salary, dentsu offers a comprehensive benefits package which can be tailored to individual needs.

Inclusion and Diversity

At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

We recognize the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at [email protected], quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.

This job description is a summary of the essential functions of the job, not an exhaustive or comprehensive list of all job responsibilities, tasks, and duties. The responsibilities, tasks, and duties of the jobholder might differ from those outlined in the job description. Other duties, as assigned by the supervisor, might be part of the job. 

#LI-Hybrid

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