Congressman Smith has long chaired a number of bipartisan congressional caucuses (working groups) including, in the 117th Congress, the Pro-life (37 years), Autism (21 years, co-founder), Alzheimer's (19 years, co-founder), Lyme Disease (15 years, co-founder), Spina Bifida (15 years), Human Trafficking (15 years, co-founder), Refugees (15 years), Heart and Stroke Caucus, Fragile X Syndrome, Hydrocephalus Caucus and Combating Anti-Semitism caucuses, and serves on caucuses on Bosnia, Uganda and Vietnam.

According to the independent watchdog organization Govtrack, Mr. Smith ranks first among all 435 Members of the House in the number of laws authored. According to the official Congress.gov website run by the Library of Congress, Rep. Smith has authored 49 laws. In 2019, his Frederick Douglass Trafficking Victims Prevention and Protection Reauthorization Act (House of Representatives 2200 or HR 2200, now Public Law (PL) 115-425) was signed into law by the President in January 2019. The law authorized $430 million over four years for a comprehensive whole-of-government effort to fight sex and labor trafficking at home and abroad. Rep. Smith is the author of five of America's comprehensive anti-human trafficking laws, including the landmark Trafficking Victims Protection Act of 2000 (TVPA, PL 106-386), a groundbreaking law designed to prevent modern-day slavery, protect victims, and enhance civil and criminal penalties against traffickers. He is also the prime sponsor of the law that first reauthorized of the landmark Violence Against Women Act (VAWA), Division B of his TVPA of 2000.

In 2018, after two years of effort, Congressman Smith's Iraq and Syria Genocide Relief and Accountability Act (PL 115-300) (HR 390), to ensure ISIS genocide victims in Iraq and Syria receive humanitarian relief and to hold the perpetrators accountable for their crimes, was enacted into law in December 2018. His bill, HR 6651, the President's Emergency Plan for AIDS Relief (PEPFAR) Extension Act of 2018 (PL 115-305), a five-year extension of PEPFAR, was also signed into law that same day. In March of 2018, key provisions from Rep. Smith's Kevin and Avonte's Law (HR 4221) were signed into law as part of the Consolidated Appropriations Act, authorizing $10 million in funding over five years for the Missing Americans Alert Program which helps protect and locate children with Autism and elderly persons with Alzheimer's who wander. In February of 2018, a legislative provision from Rep. Smith's Federal Disaster Assistance Nonprofit Fairness Act, to give houses of worship fair access to disaster relief after a federal declaration, was signed into law as part of the Bipartisan Budget Act.

In 2016, Congressman Smith's International Megan's Law to Prevent Child Exploitation and Other Sexual Crimes Through Advance Notification of Traveling Sex Offenders (PL 114-119) (HR 515), was passed by both houses of Congress and enacted into law to protect children in the U.S. and around the world from convicted pedophiles who travel in or out of the United States unbeknownst to law enforcement officials. The law capped an eight-year effort to finally enact international notification legislation that draws on current federal and Megan's Laws in all 50 states that require public notice when a sex offender moves into a U.S. neighborhood. Megan lived in the Fourth Congressional District.

Mr. Smith is also the author of 14 enacted veterans laws to help those men and women who served in uniform, including the Homeless Veterans Comprehensive Assistance Act (PL 107-95) (HR 2716), the Veterans Benefits Act of 2003 (PL 108-183) (HR 2297), the Veterans Health Care Improvement Act of 2004 (PL 108-422) (HR 2297), the Veterans Survivor Benefits Improvements Act (PL 107-14) (HR 801) and other veterans laws. His most recent veterans law was the Gold Star Families Voices Act (PL 114-246) (HR 4511), enacted in the 114th Congress in November 2016. He has also authored laws to boost embassy security and promote democracy, religious freedom and health care.

A lifelong New Jersey resident, Chris Smith was born in Rahway and grew up in Iselin. He lives in Manchester with his wife Marie. He graduated the College of New Jersey with a degree in business administration and spent a semester abroad at Worcester College in England. Smith was Director of Institutional Sales at his family-owned sporting goods company and served as Executive Director of the New Jersey Right to Life Committee.