Propeller Shannon: the future-proof aviation startup accelerator

Most people will have heard of and possibly used Airbnb, Dropbox, Stripe and Quora.  They may know that the combined value of these companies is about $52 bn (yes – that’s billion).  What they may not know, however, is that these four companies, along with many other successful ventures, began as startups under the knowing gaze and in the kindly embrace of Y Combinator, an accelerator in Mountain View, California.  As of September 2018, Y Combinator has invested in 1,800 companies that have a total portfolio value of c. $100 bn.