As a Senior Manager, Diem* leads production of global content and projects in the Houston office of Berry Appleman & Leiden LLP. She focuses on corporate global immigration matters for multinational companies in a variety of industries including energy, procurement, construction, and engineering.

Specifically, she assesses clients’ global migration needs, develops and facilitates short-term and long-term migration strategies, and navigates clients through a range of international immigration systems, including advising on general visa processing, documentation requirements, visa options, risks,  and timelines. Among the countries include Brazil, India, China, Angola, Mozambique and the United Kingdom. In addition, Diem manages a team of experienced professionals who are dedicated to global immigration knowledge. Through her experience and close working relationship with human resources, managers and employees, she understands the challenges of global mobility and is better able to offer counsel on new immigration policies and procedures as well as best practices.

Diem also has experience in US immigration law with a focus on permanent residency matters, including PERM Labor Certification applications, multinational manager, extraordinary ability and outstanding researcher immigrant petitions. She is conversant in Vietnamese.

*This Berry Appleman & Leiden professional is not licensed to practice law.

Education & Admissions

South Texas College of Law, Juris Doctorate
University of Texas at Austin, Bachelor of Arts in Government
Admitted to: State Bar of Texas


American Immigration Lawyers Association
Asian American Bar Association
Houston Young Lawyers Association

Professional Accomplishments

Speaker, “Human Capital Solutions for your Global Workforce: Emerging Markets & Other Worldwide Hotspots,” BAL Client Seminar (October 2014)
Speaker, “Mobilizing Expats through Compliance Challenges, “ National Oil Varco Global HR Summit (November 2014)
Speaker, “Business Travel: Its Shapes/Forms and Challenges” -ILW (August 2014)
Speaker, “Global Immigration - Hotspots and Challenges for HR,” Houston International HR Roundtable (September 2013) Speaker, “Immigration Updates Around the World,” BAL Breakfast Briefing (May 2013)