Delegate, Maryland State House of Delegates, District 20, 2006-2014

Member, Montgomery County Steering Committee, O'Malley/Brown Campaign, 2006

Chair, Bi-County Agency Committee , Montgomery County Delegation, 2011-present

Member, White House Task Force of State Legislators for Health Care Reform, 2009-present

Member, Bi-County Agency Committee, Montgonmery County Delegation, 2007-present

Member, Veteran's Caucus, 2007-present

Member, Climate, Energy, and Environment Policy Committee, Metropolitan Washington Council of Governments, 2009-2010

Member, Environment Subcommittee, Maryland State House of Delegates, 2007-2010

Member, Environmental Matters Committee, Maryland State House of Delegates, 2007-2010

Member, Land Use and Ethics Subcommittee, Maryland State House of Delegates, 2007-2010

Member, Natural Resources Subcommittee, Maryland State House of Delegates, 2007-2010

Member, Washington Suburban Sanitary Commission Matters Committee (WSCC), Montgomery County Delegation, 2007-2010

Member, Bi-County Committee, Montgomery County Delegation, 2007

Consultant, United States Consumer Product Safety Commission, 2009-2011

Executive Director/Founder, Progressive Maryland, 2001-2006

Lead Organizer, Progressive Montgomery, 1999-2001

Campaign Director, Progressive America Fund, 1995-1999

Regional Campaign Director, Fund for Public Interest Research, 1990-1995

Member, Board of Directors, Purple Line Now, 2007-present

Member, Maryland for Obama Campaign, 2007-present

Member, Board of Directors, Progressive States Network

Member, Board of Directors, Purple Line Now

Member, Board of Directors, USAction

Member, Board of Trustees, Montgomery Parks Foundation, 2011-present

Eagle Scout, Boy Scouts of America

Affiliate, Economic Analysis and Research Network

Member, Equality Maryland

Member, Friends of Sligo Creek

Member, Greater Silver Spring Chamber of Commerce

Member, Greater Silver Spring Democratic Club

Special Advisor, League of Korean Americans of Maryland

Former Member, Maryland Government Relations Association

Member, National Association for the Advancement of Colored People (NAACP)

Member, National Organization for Women (NOW)

Member, Board of Directors, Maryland-India Business Roundtable, 2009-2011

Executive Director/Founder, Progressive Maryland Education Fund, 2001-2006