I'm not sure about Dash (haven't tried it yet), but General Assembly puts out incredibly high quality courses taught by people working at well-known companies.

I'm not sure about Dash (haven't tried it yet), but General Assembly puts out incredibly high quality courses taught by people working at well-known companies. If you live in NY or SF, take a look at their course listings: https://generalassemb.ly/ https://generalassemb.ly/