Đoàn Mậu Hoài

CEO of Search Circle, an SEO agency focused on strategic, data-driven SEO for businesses across Vietnam and Southeast Asia.

• Built the agency from scratch to 37+ successful projects across Finance, E-commerce, Media, and Tech sectors
• Led SEO strategy for major brands: Gobear (TOP 1 loan keywords in 10 months), Manulife, TopDev, Sendo, Thien Moc Huong (+300% traffic)
• Developed proprietary SEO frameworks combining Technical Audit, Content Strategy & On-page Optimization delivering 2-3x organic growth consistently
• Grew team to 9 specialists; built scalable processes for SEO Audit, Content Production & Reporting
• Expanded into Reputation Management & GEO/AI Optimization as new service verticals
• Clutch Top Link Building Company Vietnam 2024

Engaged as SEO Consultant for VNTrip, one of Vietnam's leading OTA (Online Travel Agency) platforms.

• Conducted comprehensive Technical SEO Audit for vntrip.vn, identifying critical crawlability & indexability issues
• Provided strategic SEO recommendations for the travel & hospitality vertical
• Analyzed competitive landscape against major OTA players in Vietnam

SEO Specialist at LINE Corp Vietnam, managing SEO strategy for two major content platforms under the LINE ecosystem.

• Led on-page & technical SEO for Oxii.vn and Webtretho.com, two of Vietnam's largest community & lifestyle platforms
• Webtretho.com: Managed SEO for a platform with millions of monthly visits, optimizing content discoverability for Vietnam's biggest parenting community
• Oxii.vn: Developed keyword strategy & content optimization framework for lifestyle/entertainment vertical
• Collaborated cross-functionally with content, product, and engineering teams to implement SEO improvements at scale

SEO Instructor at the Information Technology Center, University of Science (VNUHCM), one of Vietnam's top public universities.

• Designed and delivered short-term SEO training programs covering keyword research, on-page optimization, technical SEO fundamentals, and content strategy
• Trained 50+ students including marketing professionals and entrepreneurs seeking to build in-house SEO capabilities
• Developed practical, hands-on curriculum based on real-world case studies from the Vietnamese market

SEO Specialist at Sendo.vn, one of Vietnam's top 5 e-commerce platforms (FPT Group). Managed SEO across a massive product catalog with millions of pages.

• Drove organic traffic through comprehensive on-page optimization and keyword strategy
• Proposed & implemented a Microsite management system to optimize the entire sub-domain architecture for SEO
• Successfully managed Crisis Search Reputation: pushed down negative search results for 'Sendo Lừa Đảo', protecting brand integrity during a critical period
• Managed SEO for YouTube channel 'Siêu Chợ Sen Đỏ', expanding organic reach beyond Google Search
• Trained editorial team on SEO best practices for product descriptions and category pages at scale

SEO Executive at Vietnam Booking, one of Vietnam's leading online travel agencies. This role was the foundation of my career, where I built core SEO expertise in a highly competitive industry.

• Achieved TOP rankings for high-value airline keywords: 'vé máy bay Hàn Quốc', 'vé máy bay đi Seoul' and other competitive travel terms
• Built and managed the SEO editorial process from scratch, coordinating content production for airline tickets and tour packages
• Managed microsite architecture to capture long-tail travel search traffic
• Researched and trained the team on the latest Google algorithm updates and SEO techniques
• Developed foundational skills in competitive keyword research, on-page optimization, and content-driven SEO