Quick answers
Did Ivan Cheung co-found Singspiel?
Yes. A BetaKit article published January 23, 2015 names him as Arian Rahbari's co-founder. MaRS Discovery District's post introducing its JOLT startups, published February 20, 2013, lists Singspiel's team as Arian Rahbari and Ivan Cheung.
Why did he want to build Singspiel?
A post on The Innovative Company blog published May 13, 2013 describes him as an avid musician who had seen how many people who pick up an instrument quit within a short time, and says Singspiel set out to make practice more engaging.
What has he done since Singspiel?
His GitHub profile, checked September 24, 2026, describes him as an engineer for Google Cloud AI, previously on Gemini on Google Cloud and a tech lead on Vertex AI, and a former tech lead at Airbnb and Singspiel. It lists New York as his location.