Director, Experimentation, Decision Science

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 channelsFormulate 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 touchpointsOversee and facilitate the complete experimentation workflow—from ideation, targeting setup, and variant build specs to post-launch quality assuranceCollaborate 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 issuesEvaluate multivariate, A/B, and personalization experiment results, translating complex outputs into compelling, executive-ready stories and strategic next stepsWork with analysts to quantify conversion lift, financial impact, and projected annual ROI to clearly demonstrate program value to senior executivesAct as a strategic consultant to assess client experimentation programs, benchmark maturity against industry standards, and deliver action plans to elevate client capabilitiesAdvise client stakeholders throughout the experimentation lifecycle, establishing governance, standardized documentation, intake processes, and prioritization frameworksAdvise and support clients throughout the experimentation execution process by sharing expert experimentation guidance and best practices with all client-side stakeholdersPromote a continuous "test-and-learn" culture by facilitating cross-functional insights-sharing forums and training sessionsUpskill client and internal agency teams on experimentation best practices, statistical literacy, and testing tool capabilitiesCross-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 experience5+ years of web, digital or media experimentation experienceDirect experience running A/B, multivariate, and personalization experimentation programs across web, mobile, or digital media platformsProven track record of managing external client relationships, presenting to key stakeholders, and navigating matrixed organizationsDemonstrated history of partnering closely with engineering, UX/UI, analytics, and product teams to execute technical projectsAbility to manage multiple client accounts and concurrent test roadmaps independently under tight deadlinesHands-on experience with Adobe Target. Experience with other experimentation and personalization platforms a plusPractical knowledge of end-to-end site optimization, multivariate testing, A/B testing, and user segmentation/personalizationFoundational knowledge of statistical concepts relevant to testing Ability to benchmark client testing maturity, build strategic roadmaps, and align testing initiatives with overarching business goalsAbility to assist with RFPs, contract renewals, client upsells, and identifying new strategic service opportunitiesStrong organizational ability to manage multiple concurrent testing projects, establish governance, and standardize intake/prioritization processes with minimal supervisionExemplary written and verbal communication skills to translate complex data into concise, digestible, and executive-ready recommendationsAbility to form partnerships with various client-side and agency-side stakeholders A self-starter mindset with strong problem-solving skills, high attention to detail, and a desire to continuously learn and share industry trendsTravel up to 30% (ability and need to travel depends on client needs) At MERGE, we’re committed to fostering an environment where our team members can thrive in both their careers and personal lives, ensuring they feel supported and empowered to succeed. MERGE believes in transparency and equity. In accordance with state regulations, we’re proud to include salary ranges in our job postings to ensure fair compensation practices. The salary range for this role is $114,400 - $145,000, based on the individual’s skills, experience, qualifications, location, and other relevant factors. The salary pay range is subject to change and may be modified at any time. MERGE is proud to invest in benefits that include meaningful Medical, Dental, Vision, Life Insurance, 401K, Lifestyle Spending Account, Employer Paid Life & Disability Insurance, Flexible Time off & Holidays plus many other benefits and rewards. Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States. And here’s how we live our values at MERGE Ability. Mastering our craftAgility. Delivering with a growth mindsetHumility. Collaborating for shared success MERGE is proud to be an Equal Opportunity Employer MERGE welcomes and celebrates diversity regardless of race, religion, color, national origin, gender, sexual orientation, veteran status or people with abilities. We believe that the more diverse we are, the more creative our work will be!