As Service Head, the Chairperson of the Commission oversees the organization and administration of the Commission. Additionally, he or she must apply surveillance and hierarchical control of his or her personnel's performance.

According to Law N° 21,000, which creates the Financial Market Commission, among its functions, he/she has:

1. Executing and complying with the rules and agreements adopted by the Council.
2. Calling and presiding the meetings of the Council, as well as establishing the agenda to be discussed in each meeting.
3. Informing periodically the Council, when any of its members require so, about the execution of the policies and general rules dictated by said body, and rendering account of the operation and development of the institution. In addition, he will send to the members of the Council on a monthly basis a list of the agreements fulfilled or to be fulfilled.4) To represent the Commission legally, judicially, and extrajudicially.
4. Legally representing the Commission, judicially and extra judicially.
5. Temporarily suspending, in serious and urgent cases duly qualified, the quotation or trading of one or more public offering securities, without prejudice to the provided by numeral 12 of article 20 of the D.L. 3.538. The Chairperson must inform the Council about the action taken at the next meeting to be held, which must be specifically set to that effect within forty-eight hours after its adoption, and at which the Council must decide on the appropriateness of maintaining or rendering ineffective such measure.
6. Ensuring compliance with the rules applicable to the Commission and adopting the necessary measures to ensure its efficient operation.
7. Establishing, prior approval of the Council, regional offices when the proper functioning of the Commission so requires.
8. Resolving about entering into the acts and conventions necessary for the fulfillment of the purposes of the Commission.
9. Delegating to officials of the Commission the faculties or powers derived from his position of head of service.
10. The conduction of the relations of the Commission with public bodies and other organs of the State and with the individuals or entities subject to its supervision, as well as with the supervising, regulatory, self-regulatory bodies or entities participating in the national, foreign or international financial markets, without prejudice to the powers which may be held by other State agencies on the subject.11) To publish the report referred to in numeral 11 of the preceding article.
11. Publishing, the annual public report mentioned by numeral 11 of article 20 of the D.L. 3.538.
12. Communicate to the Minister of Finance, prior approval of the Council, within the periods and according to the modalities established for the public sector, the budgetary needs of the Commission.
13. Other matters and powers that are expressly established in this or in other laws.

1. To exercise the powers and perform functions entrusted by law to the Commission.
2. To establish policies for planning, organization, management, coordination and control of the functioning of the Commission.
3. To establish policies for the administration, acquisition and transfer of goods.
4. To issue general rules, circulars, official circulars, and other resolutions that are required.
5. To resolve sanctioning procedures that originate from indictments, applying the corresponding sanctions, depending on the case.
6. To formulate reform proposals to legal and regulatory rules to the President of the Republic, through the Ministry of Finance.
7. To resolve on the subscription of agreements or memorandum of understanding.
8. To submit complaints to the Public Ministry [Department of Justice] for the facts brought to its knowledge in the exercise of its attributions and which may be considered as offenses.
9. To elaborate an annual public report, within the first four-month period of each year.
10. To temporarily suspend, in serious and urgent cases duly qualified, totally or partially, by reasoned resolution, the activities of a supervised person or entity or the quoting or trading of one or more securities, and adopt, in general, any preventive or corrective measure provided by law.
11. To issue the resolutions concerning the authorization of existence, operation and mergers or reorganizations of the supervised entities, as appropriate and, in general, to reach a decision on any other authorization or registration that the Commission must grant within the scope of its powers.