Muoi Tran

Digital Innovation, Digital Production, Content Strategy

Digital experimentation and personalization using A/B testing and machine learning

AT&T is the world’s largest telecommunications company, the largest provider of mobile telephone services. XTrack is a cross-functional program focused on digital experimentation and personalization using A/B testing and machine learning to optimize customer experiences across web and digital products.

My Role

Digital Innovation Management

  • Led cross-functional execution of digital experimentation initiatives, driving innovative A/B and personalization testing strategies powered by data science and machine learning. XTrack delivered $26.5M+ YTD winning test LTV in 2024.
  • Owned full project lifecycle from intake to launch, enabling rapid hypothesis testing and iterative optimization across customer journeys.
  • Collaborated closely with Strategy, Data Science, Creative, Legal, and Engineering teams to develop, QA, and implement ML-driven test experiences.
  • Ensured alignment with business objectives through robust project scoping, agile coordination, and stakeholder communication.
  • Managed workflows in Workfront, optimizing efficiency and consistency in deployment of machine learning-informed test variants.
  • Supported the integration of personalization engines and intelligent targeting to enhance user experience and conversion.
  • Facilitated post-launch result synthesis and iteration, fostering a culture of innovation and continuous learning.