Jon Santiago

Jon Santiago (born April 1, 1982) is an American physician and Democratic politician who served as the Massachusetts state representative for the 9th Suffolk district from 2019 to March 2023. He ran a campaign for mayor of Boston in 2021, but withdrew from the race before the primary election.

Santiago resigned from the legislature on March 1, 2023, after becoming Massachusetts' Secretary of the Executive Office of Veterans' Services.

Early life and education
Santiago was raised in Boston and is of Puerto Rican descent.

Since 2013, Santiago is a Major in the United States Army Reserve. He previously served as a volunteer community health specialist to the Peace Corps. Santiago graduated from Yale School of Medicine. He is a member of the Massachusetts Black and Latino Legislative Caucus.

State representative
Santiago has served as the Massachusetts state representative for the 9th Suffolk district since 2019. His district mostly comprises the South End neighborhood of Boston, though it also includes parts of Boston's Roxbury, Back Bay and Fenway neighborhoods. His 2018 victory in the Democratic primary unseated the chamber's assistant majority leader Byron Rushing, who had represented the district for 35 years, starting in 1983. Santiago had at one time been a State House intern for Rushing before challenging him to his seat.

Santiago continues to serve as an attending physician in emergency medicine for the Boston Medical Center, arguing that such a job informs his legislation, especially when it comes to matters of public health like the opioid epidemic.

Santiago resigned from the legislature on March 1, 2023, after being appointed by governor Maura Healey to become Massachusetts' Secretary of the Executive Office of Veterans' Services.

2021 Boston mayoral campaign
On February 23, 2021, he announced his candidacy for the 2021 Boston mayoral election.

He withdrew from the race on July 13, 2021, and later endorsed Acting Mayor Kim Janey ahead of the preliminary election.<ref name="Janeyendorse1"/ Because he ended his campaign after the withdrawal deadline, he was still listed on the ballot.

Massachusetts Secretary of Veterans' Services
Santiago was appointed by Governor Maura Healey to serve as Massachusetts' inaugural Secretary of the Executive Office of Veterans' Services, heading the Massachusetts Executive Office of Veterans' Services. The office and the secretary position were created by legislation that had been passed in 2022, and came into creation on March 1, 2023. It assumed roles previously housed within the Massachusetts Executive Office of Health and Human Services.