Success Story: Building the Mathematical Foundations of Data-Driven Technologies: I-140 NIW Approval Secured for a Vietnamese Data Science Researcher
On April 30th, 2026, we received another EB-2 NIW (National Interest Waiver) approval for a Postdoctoral Associate in the field of Data Science (Approval Notice).
General Field: Data Science
Position at the Time of Case Filing: Postdoctoral Associate
Country of Origin: Vietnam
State of Residence at the Time of Filing: New York
Approval Notice Date: April 30th, 2026
Processing Time: 1 month, 13 days (Premium Processing Requested)
Case Summary:
Modern artificial intelligence and data-driven technologies depend on more than computational power. They also require strong mathematical foundations that make large-scale analysis, prediction, and optimization reliable. This case involved a Vietnamese Postdoctoral Associate whose work applies probability theory to high-dimensional data analysis, stochastic modeling, sampling algorithms, and machine learning optimization. At the time of filing, the client was conducting research at a U.S. research institution, where he continued developing mathematical tools to improve inference, modeling, and learning from complex datasets.
Research Contributions in Data Science
The client’s research strengthens the theoretical foundation behind modern data-driven systems. His work addresses problems involving stochastic differential equations, high-dimensional data, Gaussian approximations, random matrix models, and sampling and optimization methods used in machine learning. These contributions support more reliable AI systems, stronger modeling of complex physical processes, and improved analysis of large, noisy datasets.
Academic Contributions and Recognition
The client’s record included 5 peer-reviewed journal articles, 5 preprints, 39 citations, and at least 3 peer reviews for an authoritative journal in the field. Several of his publications ranked among the most cited mathematics papers for their publication years, including two papers ranked in the top 1%. He was also invited to present his work at a university research colloquium, reflecting scholarly interest in his contributions.
Recognition from Experts
The recommendation letters emphasized how the client’s probability-based research supports the reliability of modern AI systems, large-scale data analysis, and scientific modeling. Rather than treating his work as purely theoretical, the experts connected his mathematical contributions to practical needs in data-heavy fields where accuracy, stability, and robust inference are essential.
One expert stated:
“[Client]’s skillset is irreplaceable, given its immense benefits to AI development, complex data analysis, and scientific discovery. It is imperative that he be allowed to carry out his research uninterrupted so that the United States is able to benefit fully from its value.”
This support helped show that the client’s work contributes to the mathematical infrastructure behind AI, machine learning, and complex data analysis, making his continued research valuable to U.S. scientific and technological development. Together with the client’s publication record, citation impact, peer review service, invited presentation, and funded research support, these expert evaluations helped demonstrate that his work had both national importance and meaningful influence within data science.
NIW Approval and Outlook
The I-140 NIW petition was filed on March 17th, 2026, with Premium Processing requested at the time of filing, and was approved on April 30th, 2026. This approval recognized the national importance of the client’s work in data science and the value of his research in strengthening the mathematical foundations of artificial intelligence, machine learning, and modern data-driven technologies.
With this approval secured, the client is well-positioned to continue advancing probability-based methods for high-dimensional data analysis, stochastic modeling, and machine learning optimization in the United States. His work supports the development of more reliable, efficient, and mathematically sound data-driven tools that can benefit scientific research, AI systems, and broader technological innovation.

