An Enrolled Agent (EA) is a federally-authorized tax practitioner, empowered to represent taxpayers before the IRS. Their significance lies in offering expert tax advice, ensuring compliance, and assisting in audits. Key responsibilities include preparing tax returns, advising on tax strategies, and resolving tax disputes. Required skills encompass strong analytical, communication, and ethical standards. EAs typically work in accounting firms or independently, collaborating with accountants and financial advisors. Career progression includes specialization in areas like estate tax or corporate tax, enhancing growth prospects within tax consultancy or leadership roles.