Member, Prince George's County Surcharge Exemptions for Projects Near Transit Properties Workgroup, 2017-present

Chief Deputy Majority Whip, Maryland State House of Delegates, 2013-present

Delegate, Maryland State House of Delegates, District 21, 2006-present

Candidate, Maryland State House of Delegates, District 21, 2022

Deputy Majority Whip, Maryland State House of Delegates, 2011-2013

Chair, Appropriations Committee

Member, Special Committee on Drug and Alcohol Abuse

Member, Clean Energy Technical Education Task Force, 2013-present

Member, Law Enforcement and State-Appointed Boards Committee Member, Prince George’s County Delegation, 2011-present

Former Chair, Oversight Committee on Pensions, Maryland State House of Delegates

Member, Prince George’s County Delegation

Former Chair, Special Joint Committee on Pensions, Maryland House of Delegates

Former Chair, Spending Affordability Committee, Maryland House of Delegates

Member, Vice Chair, Maryland-National Capital Park and Planning Commission Committee, Prince George's County Delegation, 2012-present

Member, Civil Law and Procedure Subcommittee, Maryland State House of Delegates, 2007-2011

Member, Judiciary Committee, Maryland State House of Delegates, 2007-2011

Member, Board of Directors, Metropolitan Washington Council of Governments, 2008-2010

Member, Washington Suburban Sanitary Commission Committee (WSCC), Prince George’s County Delegation, 2008-2010

Member, Task Force to Study Locations in Prince George’s County Best Suited for Use by State Agencies, 2008-2009

Delegate, Democratic Party National Convention, 2008

Appointed Boards Committee, Member, Law Enforcement and State-Appointed Boards Committee, Prince George’s County Delegation, 2007-2008

Partner, Hall, Butler, Macleay & Barnes, Limited Liability Company, 2011-present

Attorney, Law Offices of Donna L. Crary, Practicing Attorney, 2005-present

Deputy Legislative Director, Maryland Senate President

Law Clerk, Judge James J. Lombardi, Prince George's County Circuit Court, 7th Judicial Circuit, 2004-2005

Legislative Aide, Maryland Senate President, 2000-2004

Field Coordinator, Development Department, People for the American Way, 1999-2000

Member, Objective Criteria Committee, State Retirement and Pension System, 2018-present

Member, Prince George's County Bar Association, 2006-present

Member, Litigation Law Section, Maryland State Bar Association

Member, Young Lawyers Section, Maryland State Bar Association

Member, Task Force to Study Exemptions from Higher Education Ethics Requirements and Procurement Rules to Facilitate Technology Transfer, 2015-2016

Member, College Park Education Advisory Committee, 2003-2005

Vice-Chair/Member, Prince George’s County Democratic Central Committee, 2001-2004

Member, Executive Committee, Young Democrats of Maryland, 2002-2003