My brother, President of a publicly-traded company, said this advice was nonsense, although he did say age is an issue (and he's older than I am).

我的哥哥是一家上市公司的总裁，他说教练的建议是胡说八道，不过他的确说年龄是个问题(他可是我哥哥，年纪比我还要大。)