All Blog Posts

Do Chinese J-1 Scholars Need to Pay U.S. Income Tax as Resident Aliens (RAs)?

The short answer is:

  • Even if being considered resident aliens, Chinese J-1 scholars who qualify under Article 19 of the China-U.S. Tax Treaty, and are exempt from U.S. income tax on their teaching and research income, for up to three years.
  • This exemption applies regardless of their visa status change from F-1 to J-1.
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A Concise Manual on How to Write an Optimization Model

Here is a concise guide on writing an optimization model. It is organized to

  • Fit the natural flow of a technical interview discussion
  • Serve as a practical reference when collaborating with business or production teams on real-world problems.

The structure combines ideas from software system design process and the AIMMS modeling handbook. See for reference:

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