Based upon what I find on the web here is my opinionated summary:
Harvard and Harvard Law. Was a hit-man law firm going after Iraq contractors as easy prey for his law firm given his early speciality in Government Law. Parlied his early presidancy of IDT Corp telecom company (the 90s versions of the Enrons of the world) into a finacial empire where he now holds 1% to 10% of a dozen companies.
Net Worth 17 Million.
http://www.celebritynetworth.com/richest-politicians/democrats/alan-grayson-net-worth/
Party of the ‘little guy’ . No doubt.