The chief officer of the department shall be denominated the Commissioner of Insurance, who shall be elected at the general election as other state officers, and who shall possess the same qualifications as required for the Secretary of State. His term of office shall be four (4) years, as that of other state officials. No person shall be Commissioner of Insurance who is in any way connected with the management or control of any company, corporation, association, or order affected by this title, and his term of office shall immediately cease if at any time he shall become so interested. Before entering on the discharge of his duties, the commissioner shall take the oath of office required of state officers and give a corporate bond in favor of the state in the penal sum of Twenty-five Thousand Dollars ($25,000.00) in some company or companies duly authorized to transact business in this state, to be approved by the Governor and conditioned for the faithful performance of the duties of said office during his term, which bond and oath of office shall be filed with the Secretary of State.