Ms. Lum holds membership in the following organizations:
- The State Bar of Michigan, International Law Section
- American Immigration Lawyers’ Association
- Congress of Fellows, Center for International Legal Studies, Salzburg, Austria
- Asian American Bar Association of Michigan
- National Asian Pacific American Bar Association
- Adjunct Faculty, Immigration Law, Paralegal Studies Program, Baker College, Auburn Hills, Michigan campus
- Asian Pacific American Chamber of Commerce, Member, Board of Directors
- Center for Empowerment and Economic Development/ Women’s Business Enterprise Council – Great Lakes
- Women’s Business Enterprise National Council
- International Visitors’ Council of Detroit, Honorary Board Member
