In the United States, a CV is almost exclusively limited to professions in academia, science and medicine. In the case of academia, the main focus of the CV should be to identify yourself as a scholar. The added length, should be filled with proof of your skills as a teacher, scholar, and your knowledge of education. A CV should be thought of as a living document, and it will change frequently based on the updates in your education and career.
Once you’ve decided on a resume type, it’s time to start writing your resume. You don’t have to start from scratch. First, review examples of the resume type you’ve selected. Then, choose a template which you can copy and paste into a document, and then fill in with your own work history.