Thinking to reinvent your career at ’40s or even ’50s? And being unsure how to start. Mid-career professionals have the added challenge of finding themselves in a world that is becoming more complex and fluid by the day. It holds tremendous opportunities for forward thinkers but marks out those who lack the self-confidence to reinvent themselves. The doubts about how to best restart your career at 40 for Millennium professionals will always be there. Rather than thinking about what age group you belong to, if you start thinking that at the end of the day, what is more important? Whether it’s happy and satisfaction of that you gave it a…