Representative, Commonwealth of Massachusetts House of Representatives, District Sixteenth Essex, 2010-2017, 2019-2023

Candidate, Commonwealth of Massachusetts House of Representatives, District Sixteenth Essex, 2006, 2008, 2010, 2012, 2014, 2016, 2018, 2020

City Councilor At-Large, Lawrence City Council, 2004-2006

President, Lawrence City Council, 2002-2004

Member, Lawrence City Council, 2000-2002

Former Member, Bonding, Capital Expenditure and State Assets Committee, Massachusetts State House of Representatives

Former Member, Education Committee, Commonwealth of Massachusetts House of Representatives

Former Member, Housing Committee, Commonwealth of Massachusetts House of Representatives

Former Member, Joint Committee on Public Service, Commonwealth of Massachusetts House of Representatives

Former Member, Joint Committee on State Administration and Regulatory Oversight, Commonwealth of Massachusetts House of Representatives

Former Vice Chair, Labor and Workforce Development Committee, Commonwealth of Massachusetts House of Representatives

Member, MA Black and Latino Legislative Caucus

Former Member, Ways and Means Committee, Commonwealth of Massachusetts House of Representatives

President/Chief Executive Officer, MDJ Incorporated Engineering and Construction Company, 1989-present

Regional Manager, Massachusetts Department of Industrial Accidents, 2007-2009

Teacher, Greater Lawrence Technical High School, 1991-1994, 1998-2007

Teacher, Lawrence High School, 1994-1998

Math Instructor, Santurce Community College, Santurce Puerto Rico, 1984-1986

Member, CDBG Advisory Board

Member, Lawrence Democratic City Committee

Member, Lawrence Latin Lions Club

Member, Leahy School Committee