Throughout his career, Luis Rosas has represented corporations in the automotive, pharmaceutical, cosmetics, and bottled beverages and food industries. He represents corporations on high risk employment litigation cases. Luis has broad background in the management of labor unions and in negotiating collective bargaining agreements.

Luis has intervened and designed companies' restructuring involving massive transfers of employees, as well as leveling the employees' benefits and salaries. He also has participated in important mergers and acquisitions, advising his clients on potential employment and social security risks.