Director, Experimentation, Decision Science

mergeworld; Raleigh (NC); On-site; USD 140,000 - 190,000; Full time

Job summary

MERGE is a marketing and technology agency at the intersection of health and wellness. We seek a Director, Experimentation, Decision Science to lead multi-channel testing initiatives across web, app, and paid media.

You will design roadmaps, align experiments with client goals, and translate results into strategic actions for senior leaders. Collaborating with engineering, analytics, UX/UI, and product teams, you will drive ROI, improve personalization, and foster a culture of continuous

Qualifications

• 5+ years of web, digital or media experimentation experience.
• Direct experience running A/B, multivariate, and personalization experiments.
• Proven track record managing client relationships and presenting to stakeholders.
• Strong collaboration with engineering, analytics, UX/UI, and product teams.
• Ability to manage multiple client accounts and test roadmaps under tight deadlines.
• Hands-on experience with experimentation platforms, especially Adobe Target.

Responsibilities

• Design cross-channel experimentation roadmaps and learning agendas aligned with client goals across web, app, and paid/owned media channels.
• Formulate data-driven hypotheses, determine experiment feasibility, and define KPIs, audiences, and statistical parameters.
• Drive audience segmentation and personalization strategies to deliver tailored user experiences.
• Oversee the complete experimentation workflow from ideation to post-launch quality assurance.
• Collaborate with engineering, analytics, UX/UI, and media teams to validate tag implementation and tracking.
• Monitor live test health, audience distribution, and data integrity to troubleshoot issues.
• Evaluate results and translate into executive-ready stories and strategic next steps.
• Quantify conversion lift and ROI to demonstrate program value to senior executives.
• Mentor teams and promote a continuous test-and-learn culture.

Skills

Experimentation leadership

Data-driven decision making

Cross-functional collaboration

Statistical analysis

A/B/multivariate testing

Audience segmentation

Education

Bachelor's degree in Marketing, Business or related field

Tools

Adobe Target

Job description

At MERGE, we are Built Different . We are a marketing and technology agency purpose-built for the intersection of health and wellness-where human impact matters most. By weaving storytelling through technology, we move beyond traditional engagement to Whole Human Marketing. This approach recognizes that humans are multidimensional and complex, and uses AI to ensure every brand interaction feels natural, contextual, and relevant.

This commitment to human-first innovation is what brings us together and propels us forward. We are united by our North Star: to unite people and brands to empower healthier, happier lives.

Emerge to the Top of Your Career

At MERGE, we strive to create a superior work experience where talented and ambitious people grow. An experience that encourages people to think higher and feel deeper. An experience where people engage their minds and hearts to do the best work of their careers.

As our Director, Experimentation, Decision Science, you will...

Play a pivotal role on our consulting team, working directly with clients to design, manage, and scale high-impact experimentation and personalization programs. Serving as a trusted advisor across web, digital, and media channels, you will consult on scaling client experimentation programs and drive hands-on program execution. In this role, you will mature client testing capabilities, maximize ROI, and unlock deeper customer insights to drive business growth.

What You’ll Do

• Design comprehensive cross-channel experimentation roadmaps and learning agendas aligned with client business goals across web, app, and paid/owned media channels
• Formulate data-driven hypotheses, determine experiment feasibility, and define primary/secondary KPIs, target audiences, and statistical parameters (sample size, experiment duration, confidence intervals)
• Drive audience segmentation and personalization strategies to deliver tailored user experiences across key digital touchpoints
• Oversee and facilitate the complete experimentation workflow-from ideation, targeting setup, and variant build specs to post-launch quality assurance
• Collaborate closely with engineering, analytics, UX/UI, and media teams to validate tag implementation, audience integration, and parameter tracking prior to test launches.
• Monitor live test health, audience distribution, and data integrity to troubleshoot mid-flight anomalies or tracking issues
• Evaluate multivariate, A/B, and personalization experiment results, translating complex outputs into compelling, executive-ready stories and strategic next steps
• Work with analysts to quantify conversion lift, financial impact, and projected annual ROI to clearly demonstrate program value to senior executives
• Act as a strategic consultant to assess client experimentation programs, benchmark maturity against industry standards, and deliver action plans to elevate client capabilities
• Advise client stakeholders throughout the experimentation lifecycle, establishing governance, standardized documentation, intake processes, and prioritization frameworks
• Advise and support clients throughout the experimentation execution process by sharing expert experimentation guidance and best practices with all client-side stakeholders
• Promote a continuous "test-and-learn" culture by facilitating cross-functional insights-sharing forums and training sessions
• Upskill client and internal agency teams on experimentation best practices, statistical literacy, and testing tool capabilities
• Cross-pollinate winning experiment concepts across different media formats, site sections, and client portfolios to maximize output efficiency

What You’ll Bring

• Bachelor's degree in Marketing, Business, Statistics, Psychology, Human Factors, or equivalent practical experience
• 5+ years of web, digital or media experimentation experience
• Direct experience running A/B, multivariate, and personalization experimentation programs across web, mobile, or digital media platforms
• Proven track record of managing external client relationships, presenting to key stakeholders, and navigating matrixed organizations
• Demonstrated history of partnering closely with engineering, UX/UI, analytics, and product teams to execute technical projects
• Ability to manage multiple client accounts and concurrent test roadmaps independently under tight deadlines
• Hands-on experience with Adobe Target. Experience with other experimentation and personalization platforms a plus
• Practical knowledge of end-to-end site optimization, multivariate testing, A/B testing, and user segmentation/personalization
• Foundational knowledge of statistical concepts relevant to testing
• Ability to benchmark client testing maturity, build strategic roadmaps, and align testing initiatives with overarching business goals
• Ability to assist with RFPs, contract renewals, client upsells, and identifying new strategic service opportunities
• Strong organizational ability to manage multiple concurrent testing projects, es