Lyon Chang
Account Manager @ Decathlon
About
Account Manager with strong expertise in data-driven insights, portfolio management, and multi-channel performance optimization. Experienced in leading consultative business reviews, identifying funnel inefficiencies, and designing strategies that lift ROI, conversion, and long-term customer value across 100+ stores.Skilled in stakeholder influence, cross-functional collaboration, and translating business goals into measurable outcomes. Proven track record in driving B2B2C revenue growth, optimizing assortment and replenishment strategy, and uncovering upsell opportunities through data analytics.Additionally experienced in supporting SMB advertisers through paid social consulting—optimizing campaigns, improving ROI, and growing inbound leads through structured A/B testing and performance analysis.Passionate about helping clients grow through insights, scalable processes, and customer-centered problem solving.
Taiwan
Taipei–Keelung Metropolitan area
Retail
Consultative Selling, Stakeholder Influence, SMB Growth Strategy, Cross-Functional Collaboration, Customer Relationship Management (CRM), Paid Social Media Advertising, Meta Ads, Performance Marketing, Paid Media Strategy, Digital Marketing, Marketing Analytics, Data Analysis & Insights, Funnel Optimization, Performance Dashboard Management, Forecasting & KPI Tracking, Inventory Valuation
Experience

Account Manager
Zhonghe District
- Managed a 100+ store portfolio, driving sustained double-digit B2B2C revenue growth and expanding nationwide brand penetration. - Built and optimized performance dashboards (sell-through, margin, shrinkage, replenishment gaps) to uncover actionable business insights adopted by senior leadership. - Led monthly consultative business reviews with partners to align KPIs, diagnose funnel inefficiencies, and identify growth opportunities, resulting in strong YoY increases in partner order volume. - Directed cross-functional initiatives across assortment strategy, VM standards, supply coordination, and forecasting optimization to enhance partner performance. - Identified upsell and cross-sell opportunities through data analytics and client discussions, increasing revenue and improving category penetration.

Operations Manager & Department Manager
Hsin-tien
- Directed 7 product categories across 18 stores and achieved #1 nationwide turnover growth through assortment planning and lifecycle management. - Developed forecasting frameworks to improve accuracy and optimize stock allocation efficiency. - Coached and developed team members into full-time roles, strengthening the talent pipeline.

Omnicommerce Sports Leader
Hsin-tien
- Achieved top nationwide turnover growth across 16 stores by directing multi product lines and improving omni-channel execution. - Reduced shrinkage by 42% and destroy rate by 17% through targeted operational improvements and data-based controls.

Digital Marketing Manager (Freelance / Self-Employed)
Taipei City, Taiwan
- Managed Meta Ads for SMB clients, allocating 5–10% of monthly revenue to paid social campaigns. - Improved ROI and reduced CPL through audience segmentation, structured A/B testing, and creative optimization. - Built content strategies and managed Facebook Pages to increase visibility and customer engagement. - Conducted performance reviews with SMB owners, aligning objectives, diagnosing funnel inefficiencies, and scaling high-performing campaigns. - Achieved consistent YoY improvements in lead quality and campaign efficiency through data-driven testing.

Sales Consultant
Mr. Computer
台北
- Improved store turnover by optimizing layout based on bestseller insights and customer behavior patterns. - Managed monthly scheduling and sales planning to maximize productivity and store performance. - Curated localized product selections and achieved an individual average monthly turnover of 1M TWD.

Art Dealer & Marketing Consultant(Freelance)
高雄市, 台灣
- Ran a bilingual marketing branding business, creating 100+ digital ads in English & Chinese that expanded audience reach and improved conversion. - Built relationships with high-value clients and international collectors, demonstrating consultative selling and long-term relationship management.
Lyon Chang's Contact Information
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