Success Stories: Supporting National Safety: NIW Success for an Occupational Exposure Expert from Taiwan

Client’s Testimonial:

“I am glad to share my positive experience working with the North American Immigration Law Group to successfully secure my I-140 approval. The case management platform is well designed and organized, providing a clear and comprehensive list of all required documents for filling out I-140, which made the preparation straightforward and efficient. The teams demonstrated their professionalism by preparing and revising the petition letter and recommendations, ensuring all the materials were correct and tailored to strengthen my case. They also responded to my questions promptly and thoroughly, giving me confidence during the preparation. Much appreciated for their guidance and help! ”

On February 27^th, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Postdoctoral Scholar in the field of Environmental Health Sciences (Approval Notice).

General Field: Environmental Health Sciences

Position at the Time of Case Filing: Postdoctoral Scholar

Country of Origin: Taiwan

State of Residence at the Time of Filing: Ohio

Approval Notice Date: February 27^th, 2025

Processing Time: 1 month, 21 days (Premium Processing Requested)

Case Summary:

We are pleased to share the approval of an EB-2 NIW (National Interest Waiver) petition for a postdoctoral scholar from Taiwan whose research advances occupational safety and environmental health. At the time of filing, he was conducting field-based studies on the health effects of wildfire smoke exposure, with a focus on protecting frontline workers. His current work involves epidemiological investigations into systemic oxidative stress and mutagenicity among vulnerable occupational groups.

Research with Substantial Merit and National Importance

The client’s proposed endeavor involves repeated-measure epidemiological studies to assess how wildfire smoke affects the cardiovascular and respiratory health of wildland firefighters. His work quantifies harmful biomarkers linked to these conditions, helping inform evidence-based safety strategies. As wildfire events increase and frontline responders remain limited, his research provides urgently needed data to guide regulatory protections. Its national relevance is reflected in competitive funding awarded by federal public health agencies.

Well-Positioned to Advance the Proposed Endeavor

With a Ph.D. in public health focused on environmental health sciences, the client is well-equipped to lead impactful occupational exposure studies. He has authored 6 peer-reviewed journal articles (5 first-authored) and 5 conference abstracts (4 first-authored), with a total of 77 citations. Several of his papers rank among the top 10–20% most cited in their field and have been referenced in global policy documents, demonstrating both scholarly and applied influence. His field-based research experience further reinforces his capacity to lead this critical work.

Recognized Impact on Environmental Health Science

The client’s research has clarified how exposure levels and task types correlate with oxidative stress and mutagenicity among firefighters. Using non-invasive biomarker collection, his studies support practical health assessments in high-risk environments. His findings have shaped air sampling protocols, exposure models, and respiratory protection efforts internationally. Widely cited and consistently published in reputable journals, his work is helping to define global standards for occupational health in smoke-intensive settings.

Endorsement from the Scientific Community

The significance of the client’s work has been strongly affirmed by independent experts in environmental health

One recommender wrote:

“[Client]’s research emphasizes a heightened need to address these health risks among wildland firefighters through comprehensive data on pulmonary and cardiovascular responses, providing critical insights that drive new protective measures and health guidelines within this occupational group.”

This expert perspective reinforces the critical role the client’s work plays in shaping policy and practice aimed at safeguarding vulnerable populations exposed to environmental hazards.

NIW Approval and Outlook

Based on his demonstrated impact, strong credentials, and the urgent national need for his continued research, the client’s I-140 NIW petition was approved in under two months after filing, with premium processing. At NAILG, we are proud to support researchers who are addressing the health effects of environmental exposures and helping safeguard those who work on the front lines of climate-related disasters. We look forward to seeing this client’s continued contributions to occupational safety and public health.

North America Immigration Law Group (Chen Immigration Law Associates) is a U.S. immigration law firm dedicated to representing corporations, research institutions, and individuals from all 50 U.S. states regarding I-140 immigration petitions. We specialize in employment-based immigration petition and have a proven record of high success rate for the categories of: EB2-NIW (National Interest Waiver), EB1-A (Alien of Extraordinary Ability), EB1-B (Outstanding Researcher/Professor) and O-1 (Alien of Extraordinary Ability).

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