Our dear colleagues at Iridescent (thanks Tara!) just published an article about Mentoring. They have a lovely graphic showing the various mentoring organizations and when they launched. You can see We Teach Science @ 2008 and some of the other organizations we have partnered with: I Could Be; US2020; TechBridge.
From the article title: “Technology is bringing back apprenticeships. They just have a different name – Mentoring”