Peter C. Diamond, Author, Amplify Your Career and Life: 4 Steps to Evaluate, Assess and Move Forward 

There is a prevailing sentiment that once past 40 you’re too old to reinvent your career. The transition is too risky. You have too many responsibilities. You may put your reputation in jeopardy. Besides, reinventing you means starting over. And starting over is daunting. Taking chances is for the young. Isn’t it better to hunker down, hang on and survive until retirement? Bunk.