Success Story: Smarter Power Electronics and Sensing Through Machine Learning: NIW Approved for a Bangladeshi Graduate Research Assistant Advancing Clean Energy and Intelligent Devices

Client’s Testimonial:

 

"My I-140 was approved thanks to the excellent case preparation and skillful presentation of the petition by Chen Immigration Law Firm. Their team did a remarkable job organizing the petition and supporting exhibits, and I truly appreciate their professionalism and expertise.”

 


 

On February 27th, 2026, we received another EB-2 NIW (National Interest Waiver) approval for a Graduate Research Assistant in the field of Electrical Engineering (Approval Notice).

 


 

General Field: Electrical Engineering

 

Position at the Time of Case Filing: Graduate Research Assistant

 

Country of Origin: Bangladesh

 

State of Residence at the Time of Filing: North Carolina

 

Approval Notice Date: February 27th, 2026

 

Processing Time: 1 year, 6 months, 13 days (Premium Processing Requested)

 


 

Case Summary:

 

Electrification and automation depend on systems that are both efficient and intelligent, from renewable energy conversion to smart sensing and advanced device control. This NIW approval highlights a Bangladeshi graduate research assistant whose proposed endeavor centers on developing and applying machine-learning algorithms for renewable energy systems, electric vehicles, and sensor-enabled technologies used in real-world monitoring and control. At the time of filing, the client was continuing this work in the United States through a research appointment aligned with machine learning, power electronics, and sensor-focused electrical engineering.

 

Research with National Importance

 

In the petition, we presented the endeavor as nationally important because more efficient energy conversion and smarter sensing directly support U.S. priorities in emissions reduction, grid resilience, and advanced manufacturing. The case also connected the work to practical safety and monitoring needs where reliable sensors and data-driven systems improve performance and decision-making. By applying a unified set of machine-learning and electrical-engineering methods across high-impact applications, the endeavor was positioned as broad in relevance and scalable in adoption.

 

Academic Contributions and Recognition

 

The petition documented a strong record of scholarly output and independent reliance. The client has published 5 first-authored peer-reviewed journal articles and 10 peer-reviewed conference articles, including 6 first-authored conference papers. The record also documented 238 citations, reflecting meaningful use of the client’s findings by other researchers. To demonstrate impact beyond raw totals, the filing highlighted strong field- and year-normalized citation performance for multiple publications, indicating exceptional uptake compared to typical engineering benchmarks. Professional trust was also reflected through at least 20 completed peer reviews for respected journals and conferences, showing repeated reliance on the client’s technical judgment to evaluate the work of peers. The record further included recognition through a best paper award from a leading professional society conference, reinforcing the competitiveness of the work.

 

Expert Endorsements

 

The filing included expert letters describing why the client’s research is valuable beyond a single project and how the work supports continued progress in machine-learning-enabled electrical engineering.

 

As one expert stated:

 

“Undoubtedly, [client] shall continue to produce valuable research, driving progress in the field and bringing immense benefits to national and international concerns.”

 

This independent perspective reinforced the petition’s showing that the client is well-positioned to advance the proposed endeavor through continued research activity and publication in the United States.

 

NIW Approval and Outlook

 

The I-140 NIW petition was filed on August 14th, 2024, and approved on February 27th, 2026, following a Premium Processing upgrade after filing. In the filing, we presented a clear NIW framework showing that the endeavor has substantial merit and national importance, that the client is well-positioned through a documented record of publications, citations, peer-review trust, and recognized excellence, and that granting the waiver benefits the United States by supporting continued progress in machine-learning-enabled electrical engineering for clean energy and intelligent technologies.