IMHO, with that background (C-level positions), forget about "normal" languages. A better (useful in the context) strategy would be focus on Data Analytics/Big

IMHO, with that background (C-level positions), forget about "normal" languages. A better (useful in the context) strategy would be focus on Data Analytics/Big Data tools: A Good book to start (considering the background with Microsoft toolset): https://www.amazon.com/Data-Lake-Analytics-Microsoft-Azure/dp/1484262514/ref=sr_1_1?keywords=data+lake+analytics+microsoft+azure&qid=1648223888&sr=8- https://www.amazon.com/Data-Lake-Analytics-Microsoft-Azure/d... 1 This knowledge is extremely valuable today for any C-level these days and will be a huge differential in an eventual relocation process...... Regards and good luck to your father :)