Assuming you're seeking a leadership position, you should focus on tangible achievements from your work history, illustrating the positive affect you had at each company. (resumewriterdirect.com)
Do talk about tangible achievements such as increasing company efficiency or profit. (resumewriterdirect.com)
You should also strive to include clear, active and descriptive phrases in your CV to show tangible achievements. (news.efinancialcareers.com)