Also unclear to me whether Interactive Brokers transparently moves funds to brokerage accounts domiciled in your new jurisdiction, triggering FATCA filing requirements, and if they do a good job of making these clear to customers.
In turn, I'm curious why he bothers with Wealth Front rather than just parking it all in a few Vanguard funds. That cash account looks pretty attractive, but other than that...?
My experience with roboadvisors is that the pretty user interfaces encouraged me to save more. Your mileage may vary.
I think that's more an "Ask them" question than an "Ask me" question but single data point: neither my tax advisors nor myself felt a lack of clarity with respect to the treatment of their IBSJ and IBLLC accounts, a distinction they are (appropriately) pedantic about with respect to Japan.
Pro-tip for other American taxpayers living abroad: do NOT buy non-US-domiciled ETFs or other funds; PFIC will eat up most of any gains.
Schwab is reasonably-equipped for serving the US citizen expat market.
That's going to apply to everyone. It's due to new EU regulations requiring documentation (PRIIPs) for retail EU residents.