Mr. Castillo has more than 17 years of experience in public accounting, performing audits in private companies in several areas.
In financial audits, Mr. Castillo has specialized his work several industries such as manufacturing, construction, car dealerships, maquila services, distributors, personnel services, metallurgical industry.
In relation of Social Security his work several industries such as manufacturing, construction, maquila services, distributors, personnel services, goverment and teaching.
- Institute of Certified Public Accountants of Nuevo León (ICPNL) - Member
- Universidad Regiomontana
- Institute of Certified Public Accountants, A.C.
- Certified Public Accountant
- Mexican Social Security Institute
- Public Accountant registered to issue for Social Security purposes Compliance with the Employer Obligations
- Courses related with Social Security
- Courses of Dictamination of the Financial, Budgetary and Programmatic Statements for External Firms issued by the Government of the State of Nuevo León