David follows these people on Refind.

Daniel Burka
Director of design at Resolve to Save Lives. On the board of Laboratoria. Previously a design partner at Google Ventures.
CBC News
Canadian breaking news and analysis from CBCNews.ca, TV and radio.
From idea to IPO and beyond, Sequoia helps the daring build legendary companies.
Reason is the monthly magazine and website of “free minds and free markets.” Visit http://reason.com
Kyle Samani
Perpetually fooled by randomness. Managing Partner @multicoincap. Fellow GPs: @TusharJain_, @VinnyLingham. Subscribe to our blog for the best insights in crypto