Success Story: A Chinese Postdoctoral Research Associate Earns NIW Approval with Our Support
On March 21st, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Postdoctoral Research Associate in the Field of High-energy Astrophysics (Approval Notice).
General Field: High-energy Astrophysics
Position at the Time of Case Filing: Postdoctoral Research Associate
Country of Origin: China
State of Residence at the Time of Filing: Missouri
Approval Notice Date: March 21st, 2025
Processing Time: 2 months, 11 days (Premium Processing Upgrade Requested)
Case Summary:
North America Immigration Law Group (NAILG) is pleased to announce the approval of an I-140 NIW (National Interest Waiver) petition for a physicist specializing in high-energy astrophysics. The petition was initially filed in January 2025 and approved in March 2025 following an upgrade to premium processing. Our client’s research and achievements were clearly aligned with pressing national priorities in scientific innovation and economic growth, making him a compelling candidate under the EB2-NIW category.
Pioneering Research in High-Energy Astrophysics with National Impact
Our client’s proposed endeavor focuses on building astronomical instruments, analyzing observational data, and developing theoretical models to better analyze the properties of black holes and neutron stars. These studies play a crucial role in enhancing our understanding of the universe and fundamental physics, while simultaneously advancing U.S. capabilities in space technology, a sector projected to reach $1.8 trillion globally by 2035.
We established that this work holds both substantial merit and national importance, as it contributes to key strategic and economic domains, including quantum sensing, advanced modeling, and sensors for space-based observations – each recognized by the National Science and Technology Council as critical and emerging technologies.
Clear Evidence of Qualifications and Influence
To support the petition, we carefully presented a record of the client’s scholarly and professional excellence, including:
- 14 peer-reviewed journal articles, 3 conference papers, and 1 preprint
- 230 citations as documented by Google Scholar, with several papers ranking among the top 1% and top 10% of most-cited articles for their respective publication years.
- Innovative studies on X-ray polarization and gravitational lensing have been widely cited and have significantly influenced the field.
Through this evidence, we demonstrated that our client is well-positioned to advance his proposed research and that his findings have already significantly shaped the field. His contributions to photon opacity modeling, X-ray polarimetry, and space instrumentation have improved the accuracy of astronomical observations and provided frameworks for future astrophysics missions.
Approval Outcome Reflects Strong National Interest Justification
Thanks to the careful and thorough preparation by NAILG, this NIW petition was approved shortly after being upgraded to premium processing, without any requests for additional evidence. This successful outcome underscores the strength of the case, the national significance of the client’s work, and the quality of our legal strategy.
We commend our client for his dedication to advancing high-energy astrophysics and look forward to the continued impact of his research on our understanding of black holes, neutron stars, and the cosmos at large.

