Client’s Testimonial:
“I would like to thank the entire team @ CHEN for an excellent job and successful completion of this journey.”
On November 5th, 2025, we received another EB-1A (Alien of Extraordinary Ability) approval for an Expert in the Field of Infectious Disease Epidemiology (Approval Notice).
General Field: Infectious Disease Epidemiology
Country of Origin: Ethiopia
State of Residence at the Time of Filing: Pennsylvania
Approval Notice Date: November 5th, 2025
Processing Time: 17 days (Premium Processing Requested)
Case Summary:
We are delighted to share the approval of an EB-1A petition for a technical TB/HIV advisor from Ethiopia in the field of infectious disease epidemiology, whose groundbreaking work in tuberculosis and HIV research has positioned them among the field’s most influential scholars. USCIS approved the petition in just 17 days without RFE under premium processing.
Leveraging our proven track record of over 32,000 successful cases, we developed a comprehensive legal strategy that showcased the client’s exceptional qualifications under the most rigorous immigration standards.
Our Strategic Framework:
The client’s expertise, encompassing TB surveillance, HIV treatment adherence, and public health program development, presented a compelling narrative of national importance. We recognized immediately that this M.D. and M.P.H.-trained researcher’s contributions directly strengthen the United States’ capacity to combat infectious disease threats and inform evidence-based health policy.
Our petition emphasized the remarkable scope of the client’s scholarly impact: 36 peer-reviewed articles and 16 conference abstracts published in premier journals. We demonstrated that the client’s work has generated 2,155 citations, securing a ranking in the top 1% of authors.
We carefully documented the client’s standing as a trusted evaluator in the scientific community, having completed 20 peer reviews for distinguished journals and serving in editorial leadership roles. The petition highlighted major funding from the U.S. Agency for International Development, the World Bank, and the CDC’s PEPFAR program, concrete validation of the research’s strategic significance.
Four recommendation letters, including two from independent experts who have cited and built upon the client’s published findings, provided a compelling third-party endorsement. One expert has stated that:
“Given [The Client]’s research contributions, professional accomplishments, and leadership in peer review, [The Client]’s presence in the United States would be of immense value to both research activities and practical applications.”
Results:
The approval of this EB-1A petition confirms the client’s place among the small percentage of researchers who have risen to the top of the field of infectious disease epidemiology. The client’s ongoing work will continue to contribute directly to national and global health by improving TB/HIV detection systems, shaping evidence-based public health policies, and strengthening disease-control infrastructure. NAILG is proud to have represented the client in this successful petition and looks forward to the continued impact of this work on global infectious disease prevention and public health advancement.
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).
Our Ten Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend
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.
Vast Majority of Clients Came to Us Because of Referrals
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.
Track Record of Success EB-1 and NIW Approvals
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