Amalia “Lia” Colbert serves as Commissioner of the Small Business/Self-Employed (SB/SE) Division of the Internal Revenue Service. In this role, she oversees taxpayer programs and services affecting the nation’s small business and self-employed individuals, providing oversight of SB/SE’s $2.34 billion budget and executive leadership to a staff of over 20,000 employees responsible for service and enforcement programs for 57 million taxpayers who file personal, corporate, flow-through, employment, and excise and estate and gift tax returns. She also has oversight for two Servicewide offices that focus on IRS civil efforts in detecting and deterring tax fraud, and analyzing and identifying abusive tax transactions, tax schemes, and emerging abusive schemes.