Client’s Testimonial:
“Wegreened helped me get my EB-1A I-140 approved, and I couldn’t be happier with the experience. Their team was incredibly knowledgeable, organized, and responsive from start to finish. They made a complex process feel manageable and built a strong, persuasive petition. I’m truly grateful for their guidance and highly recommend Wegreened.”
On January 27th, 2026, we received another EB-1A (Alien of Extraordinary Ability) approval for a Postdoctoral Researcher in the Field of Environmental Engineering (Approval Notice).
General Field: Environmental Engineering
Position at the Time of Case Filing: Postdoctoral Researcher
Country of Origin: China
State of Residence at the Time of Filing: California
Approval Notice Date: January 27th, 2026
Processing Time: 26 months, 7 days (Premium Processing Requested)
Case Summary:
Ventilation design is not just about comfort; it is a frontline defense against respiratory pathogens and environmental toxins. Recognizing that airflow patterns dictate exposure risks, this case highlighted an environmental engineering researcher from China whose work has achieved sustained influence in the field. His research addresses critical gaps in indoor air quality, providing essential strategies for pollution mitigation and infectious disease control in built environments.
How the Case Was Positioned
North America Immigration Law Group (Chen Immigration Law Associates) framed the client’s work around a consistent pattern of original contributions that other experts actively use. The petition highlighted that the client’s research goes beyond measuring indoor conditions; it has helped improve how the field quantifies pollutant transport, diagnoses ventilation weaknesses, and evaluates indoor strategies for limiting airborne pathogen spread.
Evidence of Peer Trust and Field Reliance
The petition emphasized multiple independent indicators that the client’s work was being trusted, used, and built upon by the broader environmental engineering community:
- Advanced foundation: a Ph.D. in Environmental Engineering, supporting technical depth in indoor air quality and pollutant control research.
- Peer review service: at least 25 reviews for respected journals, reflecting repeated editorial reliance on the client’s judgment to evaluate others’ research.
- Editorial responsibility: service on an editorial board, which further signals standing as a gatekeeper for research quality in the field.
- Sustained scholarly output: 15 peer-reviewed articles and 3 technical reports, demonstrating consistent productivity in a focused specialty rather than one-off publication activity.
- Independent uptake: 219 citations, supporting that the client’s findings have informed subsequent work by other researchers.
Why Funding Strengthened the Story
The record also showed that the client’s research direction aligns with priorities that receive competitive support. Funding associated with organizations such as the U.S. Environmental Protection Agency (EPA), ASHRAE, and the American Petroleum Institute (API) reinforced that the work addresses practical, high-stakes issues in indoor environmental quality and building operation.
Expert Validation in Plain Language
Recommendation letters tied the technical work to a straightforward public-health reality: indoor air engineering can materially affect disease transmission risk. One expert summarized the importance succinctly:
“[Client]’s research is continuing to shed light on the mechanisms underlying the spread of respiratory diseases in indoor environments, which is extremely important to public health on a global scale.”
Approval
The outcome rested on a record demonstrating sustained professional standing, evidenced by original research contributions, independent reliance through citations, peer-review service, and externally supported work in indoor air quality engineering.
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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With nearly 64,000 EB-1A, EB-1B, EB-2 NIW and O-1 cases approved, we have first hand information on the manner in which the USCIS adjudicate I-140 cases. As the USCIS has constantly changed its adjudication standards for the EB-1A, EB-1B and EB-2 NIW categories, our firm's huge database of successful cases gives you unprecedented insight to USCIS adjudication trends. We carefully analyze the data for all of our cases and apply the results of our analyses toward giving our clients up-to-date advice and adapting our strategies such that we remain on par with the ever-shifting landscape of immigration law in the U.S. With us, you will always have access to important updates, strategies, and information so that you can make the most informed decisions about your case.
We Have Helped Tens of Thousands of Clients with Credentials and Backgrounds Similar to Yours
With our exceedingly large number of successful petitions, no matter what credentials you have, no matter your background and field of expertise, no matter your visa status or nationality, chances are we have helped hundreds or even thousands of clients just like you. Our clients are usually impressed with how well we understand their research and work. Our insight and understanding stems from the fact that we have handled many cases with elements similar to yours already, and this helps us devise the best strategies for each individual petition.
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For years, our firm has attracted new clients based solely on word of mouth, recommendations, and the positive collaboration experiences shared with them by their friends and family. We take pride in our reputation and work hard to ensure that we provide a green card application experience that our clients are happy to share with their friends and colleagues. That is how our cumulative total of approved cases grew from 600 in 2013 to nearly 64,000 in 2025.
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