Henry Duy

CEO Henry Duy – Digital Marketing Expert – Founder of GDT Agency

CEO & Founder
38
Compliance Playbooks
500+
Consulting Hours

CEO Henry Duy is a leading digital marketing expert and the founder of both the GDT Group parent ecosystem and GDT Agency.

Under his strategic direction, the GDT Agency brand has developed into a premier global agency, delivering highly reliable ad account rental services (including Facebook, Google, and TikTok agency accounts) that help scaling brands optimize media buying and minimize compliance risks.

Personal Information of CEO Henry Duy

The table below outlines key personal information about Henry Duy and provides a brief introduction to his background and professional profile.

Full Name:Doi Duy Khanh
Professional Name: Henry Duy
Year of Birth:1996
Nationality:Vietnamese
Gender: Male
Current Position:Founder of GDT Group and CEO of GDT Agency

Beyond these profile details, Henry Duy’s professional journey reflects the key milestones that have shaped his leadership, business perspective, and professional expertise.

Education History

Below is the academic foundation that supports Henry Duy’s expertise in both digital marketing mechanics and business administration:

Time PeriodInstitutionProgram / Major
2014 – 2018Military Logistics AcademyFinance & Business Analytics
2018 – 2022Performance Marketing AcademiesDigital Marketing & Conversion Optimization
2022 – 2023Executive Leadership HubsCorporate Strategy & Multi-Brand Management
2026 – PresentTech InstitutionsInformation Technology & Applied AI Systems

Professional Journey

Henry Duy began building GDT Group in 2021 with the goal of creating an integrated business ecosystem that combines digital services with operational capabilities across multiple industries.

Under his leadership, the group has expanded into digital marketing and information technology while maintaining a focus on sustainable business development. The following timeline highlights the experiences that have defined his career and contributed to his current role.

Company/BrandPositionPeriodIndustry
GDT Group InternationalCEO & Founder2021 – NowBusiness Group
GDT AgencyCEO & Founder2021 – NowDigital Marketing
FanmenFounder2023 – NowMale cosmetics
GDT Group Service CEO & Founder2025 – NowBusiness Group
GDT HomeCEO & Founder2025 – NowHousehold Goods
BeautyTech CEO & Founder2025 – NowBeauty
GDT Group TechCEO & Founder2026 – NowInformation Technology

Over the years, these experiences have shaped a strong foundation in performance-based marketing and digital transformation, which continue to define Henry Duy’s professional expertise today.

Areas Of Expertise

Throughout his professional journey, Henry Duy has developed practical expertise across several disciplines that support business growth and digital transformation. The following areas represent the core capabilities that define his professional work today. 

  • Digital Marketing: Developing digital growth strategies that help businesses build brand presence and acquire customers online.
  • Online Advertising: Supporting business growth through advertising across major digital platforms and scalable media operations.
  • Performance-Based Advertising: Applying data-driven approaches to improve advertising efficiency and measurable business outcomes.
  • Digital Transformation: Helping businesses adopt digital systems and technology to improve growth and operational effectiveness.
  • Operations Management: Building structured operational processes that support efficiency, service quality, and sustainable business growth.
  • Corporate Governance: Developing structured management practices, operational oversight, and sustainable business operations.
  • Facebook Advertising: Planning, managing, and optimizing Meta advertising campaigns using Business Manager, Agency Ad Accounts, Meta Pixel, and data-driven performance strategies.
  • Google Advertising: Creating and scaling Google Ads campaigns across Search, Display, Performance Max, and YouTube to drive measurable business growth and return on investment.
  • TikTok Advertising: Developing high-performing TikTok Ads campaigns with audience targeting, creative testing, TikTok Pixel implementation, and conversion-focused optimization.

Together, these areas of expertise reflect Henry Duy’s multidisciplinary approach to business growth, combining marketing, technology, and strategic leadership to help organizations achieve sustainable success. 

Core Achievements

Henry Duy’s expertise and leadership have contributed to a series of significant milestones across GDT Agency and the broader GDT Group ecosystem. The following achievements highlight the impact of his leadership and professional experience.

  • Founded GDT Group and established a business ecosystem operating across digital marketing and information technology.
  • Built GDT Agency into a provider of agency advertising accounts and performance marketing solutions serving businesses in multiple markets.
  • Expanded advertising operations beyond Vietnam, including business development initiatives in the Philippines.
  • Developed advertising infrastructure that supports Meta, Google, and TikTok advertising operations.
  • Established structured operational systems that support long-term business scalability and service quality.
  • Promoted technology adoption and operational improvements across multiple businesses within GDT Group.

These achievements represent important milestones in Henry Duy’s career, while his continued focus remains on building sustainable businesses, driving innovation, and creating long-term value for clients and partners. 

Leadership Philosophy

“Sustainable business growth is built through strong foundations, disciplined execution, and long-term value creation.” 

Strategy & Vision

Henry Duy believes that sustainable business growth is built on strong digital infrastructure, data-driven decision-making, and continuous innovation. His long-term vision is to strengthen GDT Agency as a trusted global partner by providing reliable Facebook agency accounts, Google agency accounts, TikTok agency accounts, and strategic performance marketing solutions that help businesses scale across major digital advertising platforms.

To achieve this vision, Henry Duy focuses on expanding GDT Agency’s advertising infrastructure, enhancing service quality, and continuously improving its portfolio of Meta, Google, and TikTok agency account solutions. He also emphasizes developing practical advertising strategies, building strong teams, fostering long-term partnerships, and adapting to emerging technologies that create sustainable value for clients.

Looking ahead, Henry Duy remains committed to strengthening GDT Agency’s position as a trusted provider of agency advertising solutions while helping businesses achieve long-term growth through secure advertising infrastructure, continuous innovation, and measurable advertising performance.

Social Media & Official Channels

Media Coverage

Henry Duy and the GDT Agency team with international participants at the Philippines office
Henry Duy and the GDT Agency team with international participants at the Philippines office
CEO Henry Duy taking a selfie with partners and experts at the international marketing event
CEO Henry Duy taking a selfie with partners and experts at the international marketing event
CEO Henry Duy speaking and sharing ad campaign optimization case studies at the workshop.
CEO Henry Duy speaking and sharing ad campaign optimization case studies at the workshop.

Articles by Henry Duy

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