Growth Marketing Manager – APAC

iHerb, LLC

Growth Marketing Manager focusing on customer acquisition and performance media in APAC. Leading paid media campaigns and optimizing growth strategies for iHerb's eCommerce platform.

Posted 5/13/2026full-timeRemote • California • 🇺🇸 United StatesSeniorLead💰 $77,234 - $115,000 per yearWebsite

About the role

Key responsibilities & impact

Manage paid media campaigns across global and APAC-specific performance platforms, including Google Ads, Meta Ads, TikTok Ads, Apple Search Ads, LINE, Naver, Kakao, Yahoo Japan, Rakuten, and other relevant regional paid media platforms.
Optimize campaigns against business goals including new customer acquisition, revenue, ROAS, CAC, LTV, contribution margin, conversion rate, and payback period.
Develop budget allocation strategies across markets, channels, campaigns, audiences, and funnel stages based on performance, incrementality, and growth potential.
Lead performance creative testing across paid social, search, display, app, and regional media platforms.
Partner with creative teams to develop, test, and iterate performance assets, including static ads, short-form video, UGC-style creative, localized messaging, promotional creative, landing page concepts, and app install assets.
Build and manage structured testing roadmaps for audiences, bidding strategies, campaign structures, creative concepts, offers, landing pages, and platform-specific optimization tactics.
Analyze campaign performance by market, channel, audience, creative, product category, device, and customer segment to identify opportunities for scale and efficiency.
Lead measurement efforts across attribution, incrementality, media mix insights, geo testing, holdout testing, lift studies, cohort analysis, and LTV-based optimization.
Work with analytics and data science partners to improve performance reporting, attribution accuracy, incrementality measurement, and decision-making frameworks.
Evaluate platform-reported performance against internal measurement, incrementality, and business-level outcomes.
Manage relationships with media platforms, regional paid media partners, and performance agencies to drive improved campaign performance and access to beta opportunities.
Monitor performance trends, auction dynamics, competitive intensity, CPM/CPC/CVR shifts, and platform changes across APAC markets.
Communicate performance results, insights, risks, and recommendations to leadership and cross-functional stakeholders.

Requirements

What you’ll need

Proven experience in performance marketing, growth marketing, paid media, or digital acquisition, preferably in eCommerce, marketplace, retail, consumer technology, subscription, beauty, health and wellness, or mobile app businesses.
Hands-on experience managing paid media campaigns across multiple APAC markets.
Deep platform expertise across major global paid media channels, including Google Ads, Meta Ads, TikTok Ads, and Apple Search Ads.
Experience with APAC-specific performance platforms such as LINE, Naver, Kakao, Yahoo Japan, Rakuten, or similar regional paid media channels.
Strong understanding of paid search, paid social, app acquisition, display, retargeting, shopping campaigns, feed-based advertising, and marketplace media.
Proven ability to manage and optimize meaningful paid media budgets across multiple markets and channels.
Strong analytical skills with experience measuring CAC, ROAS, LTV, payback period, conversion rate, retention, contribution margin, and cohort performance.
Experience with incrementality measurement, including geo tests, conversion lift studies, holdout tests, matched market tests, or media mix modeling inputs.
Strong understanding of attribution limitations, platform-reported bias, privacy changes, signal loss, and measurement tradeoffs.
Experience building creative testing frameworks and translating performance data into actionable creative recommendations.
Ability to assess creative performance by hook, message, offer, format, audience, localization, and funnel stage.
Deep expertise in paid media platforms, regional APAC media ecosystems, creative testing, campaign optimization, and incrementality-based measurement.
Highly analytical, comfortable managing large budgets, and experienced in adapting performance strategies across diverse APAC markets.
Professional fluency or native-level fluency in English required.
Professional fluency or native-level fluency in at least one major APAC language strongly preferred, such as Japanese, Korean, Mandarin Chinese, Cantonese, Thai, Vietnamese, Bahasa Indonesia, Hindi, or another regionally relevant language.

Benefits

Comp & perks

Employees (and their families) that meet eligibility criteria as outlined in applicable plan documents are eligible to participate in our medical, dental, vision, and basic life insurance programs.
May enroll in our company’s 401(k) plan.
Employees will also be eligible for Time Off and Paid Sick Leave pursuant to the company’s policies.
Employees will enjoy paid holidays throughout the calendar year.
Hired applicant may be awarded Restrict Stock Units and receive annual bonuses pursuant to eligibility and performance criteria defined in the respective plan documents and policies.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

performance marketinggrowth marketingpaid mediadigital acquisitioncampaign optimizationincrementality measurementattribution analysiscreative testingbudget managementdata analysis

Soft Skills

analytical skillscommunicationleadershipcollaborationstrategic thinkingproblem-solvingadaptabilitycreativityrelationship managementinsight generation