Abstract: Potential client/small business data and specialist profile data for multiple, and in various embodiments, hundreds, thousands, tens of thousands, hundreds of thousands, millions, tens of millions, or even hundreds of millions or more, potential clients/small businesses and specialists are used to train one or more matching models in an offline training environment using machine learning techniques. Once the one or more matching models are trained, the one or more matching models are used in an execution environment to process a given user's data and available specialist data to identify one or more available specialists determined to be a good match for the user. The user is then provided specialist recommendation data listing the matched available specialists and, in some cases, the user is provided one or more communication mechanisms for connecting with matched available specialists selected by the user.