Our team functions as an extension of your professional staff and we are committed to working with you as a trusted advisor.

We want to do everything we can to make DC a home for your business.

American Management Corporation strives to provide the right mix of knowledge and experience peculiar to DC and this is what makes us unique.

We know how government works; who makes it work; and how to make it work successfully on behalf of our clients. When AMC represents a client, their objectives become our own.

Clients Trust AMC to:

  • Advise on community and stakeholder priorities
  • Advise on DC Council’s legislative priorities
  • Advise on DC Government’s Executive and agency priorities
  • Advise on corporate philanthropy
  • Educate public, elected officials and community stakeholders
  • Arrange client meetings with key decision makers in the Mayor’s office, the DC Council and District government agencies
  • Monitor and report on evolving local legislative, regulatory and policy making activities, news stories and announcements and political developments from the DC Council, the Mayor’s Office, and District government agencies



Brett O. Greene - President and CEO

Brett O. Greene founded AMC in June 2001. He is a native Washingtonian, a Veteran of the United States Air Force and a graduate of Howard University. Brett has managed large-scale programs at Union Station, US Agency for International Development, US Trade and Development Agency, Washington Suburban Sanitary Commission, DC Water and Sewer Authority, Metropolitan Washington Airports Authority, DC Public Schools and other major Washington associations, businesses and landmarks. The Washington Business Journal awarded Brett “The 40 under 40 Business Leader Award” and “The Minority Business Leader” award. Additionally, he received “The Small Business Person of the Year” award from the DC Chamber of Commerce. Brett has served on the DC Chamber PAC and continues to serve on the DC Chamber of Commerce’s Government Affairs Committee. He has also served on the boards of Leadership Greater Washington (Class of 2010), the Washington DC Economic Partnership, St. Patrick’s Episcopal Day School, and was appointed by Mayor Muriel Bowser as the Vice-Chair of the DC Commission on Fathers, Men, and Boys. Brett and his wife, Tiffini Greene, served as co-chairs of the DC Chamber of Commerce’s Monte Carlo Night for two consecutive years. They currently co-chair the Annual fund for the Stone Ridge School of the Sacred Heart.


Tiffini N. Greene – Executive Vice President

Tiffini N. Greene has been intimately involved with AMC since its inception in June of 2001. Tiffini participates in client matters and manages the day to day operations of the company. A native of Washington DC and a graduate of The George Washington University and Howard University, Tiffini brings a wealth of knowledge about the District of Columbia government and how to lead an organization and its employees. Prior to serving as the Executive Director of a DC Government agency, Tiffini taught secondary English for 17 years for Montgomery County Public Schools in Maryland. She has served on the Providence Hospital Health Foundation’s Board of Directors as well as the Girl Scouts Council of the Nation’s Capital. As a committed citizen, she currently serves on the District of Columbia Commission on Women and she continues to participate in several national and local campaigns and fundraising efforts.