Sush Koka is the research director with PayStream Advisors, Inc. In addition to managing PayStream's overall technology research effort, Sush leads client engagements and participates in technology strategy projects. Sush's areas of focus include document and data management, electronic billing and payment, accounts payable, receivables and collections, and business process automation. She has extensively researched and written reports in the above areas, and her work has been published in a number of trade magazines.