Lee follows these people on Refind.

Sequoia
From idea to IPO and beyond, Sequoia helps the daring build legendary companies.
IBM Watson IoT
Official @IBM #WatsonIoT account. Always thinking about reinventing business with #AI and #IoT. Managed by @theRab and @GraemeKnows. Ask @IBMIoTSupport.
Intel IoT
Purpose-built for IoT tech, optimized performance at every point, broad connectivity support, and a built-in foundation of security from the edge to the cloud.