Ello, developer of an advanced AI reading coach, announced that it has secured its Series A funding. Leading Ello's $15M Series A is Goodwater Capital, with major participation from Homebrew (returning investors), Reed Hastings, Common Sense Growth, and Ravensburger. This adds to existing funding led by Project A with additional investors Y Combinator, WndrCo, Reach Capital, Visible Ventures, and Khosla Ventures.