Senator, Maryland State Senate, 2010-2016

Delegate, Maryland State House of Delegates, 2002-2010

Member, Commission on Special Education Access and Equity, 2013-present

Member, Commission on the Commemoration of the 100th Anniversary of the Passage of the 19th Amendment to the United States Constitution, 2013-present

Member, Task Force to Study the Impact of Expanding Credit and Noncredit Courses for Students with Intellectual and Developmental Disabilities, 2013-present

Member, Health Committee, National Conference of State Legislatures, 2007-present

Member, Agriculture, Environment and Energy Committee, National Conference of State Legislatures, 2007-present

Former Member, Commission on Aging, Montgomery County

Member, Maryland Bicycle and Pedestrian Caucus, 2003-present

Member, Maryland Commission on Autism, 2009-present

Member, Maryland Commission on Disabilities, 2011-present

Member, Maryland Veterans Caucus, 2005-present

Member, Maryland Green Caucus, 2003-2016

Member, Maryland Botanical Heritage Work Group, 2013-2014

Member, Task Force to Study the Establishment of a Deaf Culture Digital Library, 2012-2013

Member, Midwives Work Group (DHMH), 2012

Member, Government Operations Subcommittee, Maryland State House of Delegates, 2007-2011

Member, Health and Government Operations Committee, Maryland State House of Delegates, 2007-2011

Vice Chair, Land Use and Transportation Committee, Montgomery County Delegation, 2007-2011

Member, Public Health and Long-term Care Subcommittee, Maryland State House of Delegates, 2007-2011

Member, Long-Term Care Reform Work Group, 2010

Member, Veterans Behavioral Health Advisory Board, 2008-2010

Member, Public Safety Policy Committee, Metropolitan Washington Council of Governments, 2008

Member, Statewide Commission on the Shortage in the Health Care Workforce, 2007-2008

Member, Task Force to Study the Developmental Disabilities Administration Rate-Payment System, 2007-2008

Member, Agriculture and Rural Development Standing Committee, National Conference of State Legislatures, 2005-2007

Member, Agriculture, Agriculture Preservation and Open Space Subcommittee, Maryland State House of Delegates, 2003-2006

Chair, Endorsement Committee, Women Legislators of Maryland, 2006

Member, Environmental Matters Committee, Maryland State House of Delegates, 2003-2006

Member, Governor's Commission for Protecting the Chesapeake Bay through Sustainable Forestry, 2005-2006

Member, Local Government and Bi-County Agencies Subcommittee, Maryland State House of Delegates, 2005-2006

Co-Chair, Electronics Recycling Work Group, Maryland State House of Delegates, 2004

Member, Task Force on Parking for Individuals with Disabilities, 2004

Member, Ethics Subcommittee, Maryland State House of Delegates, 2003

Member, Housing and Real Property Subcommittee, Maryland State House of Delegates, 2003

Member, Motor Vehicles and Transportation Subcommittee, Maryland State House of Delegates, 2004-20006

Executive Director, Arts for the Aging, Incorporated, 1994-1996

Development Coordinator, Bruce Adams Campaign for County Executive, 1994

Director of Development, Olney Theatre Center, 1989-1994

Assistant Director of Development, National Rehabilitation Hospital, 1987-1989

Faculty Member, Fine Arts Department, George Washington University, 1974-1987

Public Programs Coordinator, National Building Museum, 1985-1986

Executive Director, The Art Barn Gallery, 1982-1985

Board Member, Arts for the Aging

Former Member, Brookeville Historic Preservation Committee

Former Member, Brookeville Historic Preservation Committee

Member, Montgomery County Community Television

Founding Member, Montgomery Women

Member, Women's Committee, Washington Ballet

President, Women Legislators of Maryland, 2008-2009

President-Elect, Women Legislators of Maryland, 2007-2008

First Vice President, Women Legislators of Maryland, 2004-2007

Second Vice President, Women Legislators of Maryland, 2005-2006

Director, Personal Giving, Arthritis Foundation, 1996-1999