Success Stories: NAILG helped a professor, director and research associate working in the field of construction management from Nigeria obtain NIW approval, despite a very long waiting period.

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May 18th2023 we received another one EB-2 NIW (Renunciation of national interest) accreditation for a professor, leader and research associate in the field of construction management (Approval notice).


General area: Construction management

Position at the time of submission of the file: Professor, director and research associate

Native country: Nigeria

Country of residence at time of filing: South Africa

Approval notice Date: May 18th2023

Processing time : 9 months, 28 days


Summary of the case:

Having heard of the North American Immigration Law GroupWith the unique way of personalizing and giving equal value to each petition letter, a professor, director and research associate working in the field of construction management approached us to file a NIW (Renunciation of national interest) petition on his behalf. As we use different strategies depending on our client’s experience, area of ​​expertise and various achievements, we have assured them quality service. We made sure of this by including a few elements in our petition file that we adapted to its advantage:

After reviewing his credentials, we found that our client not only held a Ph.D. degree in construction management, but has also achieved an excellent publication record in his field. His research has resulted in 76 peer-reviewed journal articles (of which 28 were first authored), 187 conference articles (of which 79 were first authored), and 11 book chapters (of which 6 were first authored). He also held a substantial citation record, having completed at least 240 reviews to date and held 903 citations according to the Google Scholar tool. This demonstrates that these publications are widely recognized and used in the field of construction management.

Additionally, his research contributes to business both domestically and internationally in the United States of America, as his project involves continuing his research on the development of models, frameworks and guidelines to identify and eliminate all forms of waste in construction operations to ensure the safety of people. and healthy while improving performance at the project, organizational and industry level. His research which advances his proposed project is of great importance as it has contributed immensely to sustainability in the construction industry.

His case was further supported by the inclusion of two letters of recommendation he had obtained from his fellow experts in the field. It should also be noted that the client’s research was supported by funding from the National Research Foundation of South Africa. This funding supports projects that advance research career development, increase public science engagement, and establish cutting-edge research platforms that transform the scientific landscape. His research has therefore had a transformative impact on scientific progress.

Thus, our client’s training, experience and expertise in their field, the importance of their contributions and their successes position them well to continue to advance their project of developing models, frameworks and guidelines for identify and eliminate all forms of waste in construction operations to ensure the safety and health of people while improving performance at the project, organizational and industry level.

All these factors, aided by the excellent file preparation strategy employed by our experts, helped him obtain his NIW (Renunciation of national interest) approval of the request. We are grateful for the trust he continually places in us. We wish him the best in his life.


North America Immigration Law Group (Chen Immigration Law Associates) is a U.S. immigration law firm dedicated to representing businesses, research institutions and individuals in all 50 U.S. states regarding immigration applications I- 140. We specialize in employment-based immigration applications and have a proven track record of high success rates for the following categories: EB2-NIW (National Interest Waiver), EB1-A (Able-Ability extraordinary), EB1-B (exceptional researcher/professor) and O-1 (Alien with extraordinary abilities).

Our ten thousand I-140 approvals provide unprecedented insight into the trend of USCIS legal decisions

With over 16,000 approved EB-1A, EB-1B, EB-2 NIW, and O-1 cases, we have first-hand information on how USCIS adjudicates I-140 cases. While USCIS has continually modified its adjudication standards for the EB-1A, EB-1B, and EB-2 NIW categories, our firm’s massive database of successful cases gives you unprecedented insight into the trends of USCIS arbitration. We carefully analyze data from all of our cases and apply the results of our analyzes to give our clients up-to-date advice and adapt our strategies to stay on par with the ever-changing landscape of US immigration law. United. With us, you’ll always have access to important updates, strategies, and information so you can make the most informed decisions about your case.

We have helped hundreds and thousands of clients with qualifications and backgrounds similar to yours.

With our huge number of successful petitions, whatever your credentials, whatever your background and area of ​​expertise, whatever your visa status or nationality, chances are we have helped hundreds, if not thousands, of customers like you. Our clients are generally impressed with how well we understand their research and work. Our insight and understanding comes from having handled many cases with similar elements to yours, which helps us design the best strategies for each individual petition.

The vast majority of customers came to us through referrals

For years, our firm has attracted new clients solely through word of mouth, referrals, and positive collaborative experiences shared with them by friends and family. We are proud of 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. This is how our approved files increased from 600 in 2013 to more than 3,500 in 2019.


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