Real time datasets for "Net Worth" and "Richest rapper/athlete/etc" lists for a website like Forbes

I am looking for someone to provide me with accurate and timely real-time datasets for "Net Worth" and "Richest rapper/athlete/etc" lists for a website like Forbes. Specifically, I will require net worth rankings, which will involve capitalizing on financial information and personal profiles/biographies. Additionally, the datasets will need to include historical research as well as up-to-date information. As such, I am looking for someone who is knowledgeable and skilled to generate these datasets in a timely manner.