Senior Manager, Marketing Effectiveness

Job Description:

The Senior Manager, Marketing Effectiveness will play a key role in shaping data-driven solutions for our clients. In this role, you'll lead the development of automated reporting, performance analysis, and actionable insights that directly influence media strategy and outcomes. You'll also mentor and manage junior team members, guiding their growth while ensuring high-quality deliverables. As the trusted analytics partner for client teams, you'll help optimize media investments and drive measurable impact.

The ideal candidate is self-motivated, execution-oriented, and comfortable working in a fast-paced, dynamic environment. You thrive on solving complex data challenges, meeting tight deadlines, and collaborating across multiple teams and stakeholders. Success in this role means leveraging automation and finding smarter, simpler ways to manage complexity.

Leadership & Measurement Strategy

• Build strong, collaborative relationships with clients and internal teams.

• Develop measurement strategies, learning agendas, and roadmaps that drive business impact.

• Translate complex data into clear insights through storytelling, visuals, and presentations.

• Mentor and coach junior team members on technical skills (SQL, Tableau) and professional growth.

• Oversee day-to-day performance and career development of junior team members.

• Share best practices and contribute to team success through knowledge sharing and training.

Data Analysis & Presentation

• Understand business processes and leverage insights to inform planning, execution, and reporting.

• Interpret data, identify trends, and provide actionable recommendations for clients.

• Ensure high-quality, error-free deliverables that are clear, timely, and impactful.

• Partner with clients, internal stakeholders, and leadership to communicate findings effectively.

• Oversee data management with junior team members, resolving discrepancies and maintaining data integrity.

• Develop expertise in specialized areas such as mobile, ecommerce, performance marketing, web analytics, or social.

Experience & Skills:

• Bachelor's degree in Statistics, Economics, Data Science or related quantitative field

• 3 - 6 years in a quantitative business environment

• Experience in marketing or media analytics

• Experience in data visualization (Excel, Tableau, Power BI, Datorama) is a plus

• Experience in SQL, Python, or R is a plus

• Excellent problem solving and critical thinking skills

• Excellent written and verbal communication skills

• High attention to detail

• Proficient in PowerPoint with advanced Excel skills

• Strong interpersonal skills with ability to collaborate across teams

• Experience in site analytics is a plus

• Experience in Measurement (BLS/SLS/MarTech/Search Lift/Closed-Loop/Incrementality/Foot Traffic)

• Excellent Presentation Skills

• Advanced Analytics (RBA/Modeled Attribution/MMM/clean rooms/designed tests)

• Experience in retail media or knowledge of the retail media landscape preferred.

Management & Leadership

• Manages 1 to 3 direct reports

• Mentor other junior team members

The annual salary range for this position is (94,000-152,375). Placement within the salary range is based on a variety of factors, including relevant experience, knowledge, skills, and other factors permitted by law.

Benefits available with this position include:

• Medical, vision, and dental insurance

• Life insurance

• Short-term and long-term disability insurance

• 401k

• Flexible paid time off

• At least 15 paid holidays per year

• Paid sick and safe leave

• Paid parental leave

Dentsu also complies with applicable state and local laws regarding employee leave benefits, including, but not limited to providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies. For further details regarding Dentsu benefits, please visit www.dentsubenefitsplus.com.

To begin the application process, please click on the "Apply" button at the top of this job posting. Applications will be reviewed on an ongoing basis, and qualified candidates will be contacted for next steps.

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Location:

New York

Brand:<