However, he had waited until ADP sold its TaxWare operations to avoid competing with Avalara, a sales-and-use tax vendor, which he described as having been "a terrific ride." Casillas' LinkedIn page describes the new job's duties as "implementing Microsoft and Oracle alliances and channel programs". He also work with teams to align the company's field organization with what he termed "strategic partner organizations to drive customer adoption of compliance and payment solutions including Tax Services, Garnishments, ePayment Solutions, Procure-to-Pay, Unemployment and Tax Credits & Incentive". Casillas was with Avalara from June 2009 through this month.