Erin Santhouse Appointed New Onein3 Manager

Mayor Martin J. Walsh today announced the appointment of Erin Santhouse as Manager of the Mayor’s ONEin3 Initiative, which aims to connect Boston’s young adults with city resources and neighborhood networks.

“I am thrilled to announce that Erin will be the new manager of ONEin3,” said Mayor Walsh. “She has been an incredible asset to the team since day one and her passion for improving the lives of people throughout the City makes her the best fit for the job. Boston is known for having the best and the brightest talent, and in this new role Erin will help us engage young adults to join us in moving the City forward.”

As manager of the Mayor’s ONEin3 initiative, Santhouse is responsible for all programmatic elements of ONEin3, including management of the ONEin3 Council. The Mayor’s ONEin3 Council is an action-oriented group tasked with brainstorming, creating and fulfilling projects that directly impact the lives of Boston’s 20-34 year-olds. Projects include work on housing policy, professional development, economic development and civic and neighborhood engagement. The 2015 ONEin3 Council is a diverse body comprised of 37 Boston residents, who live in 20 different neighborhoods across Boston. Santhouse will also engage young people outside of the Council and work to encourage college students to become involved with the City and stay in Boston after graduation.

“The City of Boston has such a talented young population and I am excited to take the lead on engaging them in the Mayor’s initiatives, specifically the citywide planning process, Imagine Boston 2030,” said Santhouse. “As ONEin3 manager, I look forward to getting young adults actively involved in helping to shape the future of our city.”

Santhouse formerly served as a member of Mayor Walsh’s office, where she was responsible for vetting all incoming scheduling requests and helping create a strategic schedule for the Mayor reflective of his priorities and overall vision for improving the City of Boston.

Santhouse received her B.S. in political science from Northeastern University in 2013 and is currently pursuing her MPA from Suffolk University, with an anticipated graduation in May 2018. She resides in Savin Hill where she enjoys exploring new restaurants and taking advantage of Boston’s walkability.


With more than one-third of our population between the ages of 20-34, Boston is home to the highest proportion of young adults out of any major city in America. In an effort to capture the talent, ONEin3 was established in 2004 to connect Boston’s young adult population with resources related to housing, professional development, financial health, entrepreneurship and civic engagement. The program also works to connect college students to resources that increase post-graduation retention. The Council is appointed by the Mayor and meets on a monthly basis to work on projects aimed at enhancing the City for the young adult demographic.

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