Start cultivating your own public image in the internet circuit of your field / industry and aim at becoming an internationally recognised expert in say 5-10 ye

Start cultivating your own public image in the internet circuit of your field / industry and aim at becoming an internationally recognised expert in say 5-10 years. That way, your 50+ career might be made of a number of consulting opportunities and advisory roles. I'm in my early 40s and in the process of converting my three static websites for three different industries into blogs, one at time within this year.