By Tim Madden
People like to say that “age is just a number,” but when you’re the one with an established career and a life filled with responsibilities, the prospect of letting all that go to pursue a dramatic shift in your work can feel like madness. However, you'd do well not to let your doubts hold you back. Many professionals who’ve successfully transitioned their careers have found they could apply the skills from their previous jobs to their new roles.Here are some examples of viable career transitions for people in their 40s and 50s—maybe one of them will inspire you to get started on your own journey.