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16 Union Square
Somerville, MA

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The team

Photo of Aaron Greiner

Aaron Greiner

Chief Radness Officer

Aaron is an urban designer based in Somerville, Massachusetts. He graduated from Olin College of Engineering where he studied Sustainable and Social Design Engineering. He is passionate about creating sustainable, livable, and equitable cities. Catch him biking around town on his bright orange fixie.

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Eric Sargent

Inspiration Oracle
Program Manager

Eric Sargent is a social entrepreneur and community organizer. He is certified in Permaculture Design and has managed the implementation of over 60 community driven projects in Baltimore and New England. Eric is an advocate for personal development, community-driven solutions, and eating more peaches.

Photo of Tommy O'Halleran

Tommy O’Halleran

Culture Imagineer
Fabrication Designer

Tommy is an experiential designer and graduate from the Rhode Island School of Design where he studied industrial and computational design. He’s passionate about leveraging technology and empathy design research to design transcendent human experiences. When he’s not in the shop or working on CAD, you can find him thrifting, chasing sunsets or curating the perfect playlist.

Photo of Julie O'Neill

Julie O’Neill

Creativity Connoisseur
CultureHouse Peabody Manager

Julie is the newest member of our team and the manager of our latest project. She is determined to utilize intercultural exchange to create inclusive and interactive spaces for local communities. Her creative ideas and adventurous spirit are inspired by her many travels around the globe.

Photo of Madison St. Onge

Madison St. Onge

Community Flow Master

Madison has recently graduated from the University of New Hampshire with a degree in Community & Environmental Planning. She is passionate about building community through the practice of self-expression & creativity. Additionally, in her free time, she loves to dance, go on road trips in her conversion van, & imagine funny skit ideas with her friends.

Photo of Michael Avila

Michael Avila

Data Dude

Michael is a new summer intern working remote from New York. He graduated from Hamilton College where he majored in mathematics. He is passionate about finding glimmers of insight through analysis so that he can help make things brighter. He enjoys walking around town on sunny days and is currently the talk of his local deli for a silly sandwich situation.

Photo of Rashad Brown Mitchell

Rashad Brown Mitchell


Current first year on an Engineering and Human Centered Design track committed to exploring the intersection between finding latent and vital needs within my hometown of Boston and using physical structures in order to solve for those needs. Love to read a good novel and play Squash (the sport), and learn new skills all around.

Photo of Colin Amos

Colin Amos

Board President

Colin Amos is a landscape architect and urban designer based in Los Angeles. He previously worked as a project manager and designer for the Better Block Foundation, an urban design nonprofit in Dallas, TX. Colin is always looking for ways to improve the built environment to create human scaled urban places and improve public life.

Photo of Linnea Laux

Linnea Laux

Board Treasurer

Linnea is a designer, coastal adaptation nerd, and gardener currently earning a Master’s of Landscape Architecture from the University of Virginia (expected May 2022). She holds a Bachelor’s in Environmental Engineering from Olin College of Engineering, and worked at CultureHouse during its first pop-up in 2018. Her hobbies include watercolor painting, hiking, and meeting new plants.

Photo of Nupur Amin

Nupur Amin

Board Clerk

Nupur is the Business Development and Outreach Manager at Habitus Incorporated. She serves as a trainer, mediator, and coach. She has also served on the teaching team at the Harvard Law School’s Program on Negotiation. Nupur holds a Bachelor of Science Degree from Emerson College in Negotiation and Dispute Resolution.

Photo of Sabrina Dorsainvil

Sabrina Dorsainvil

Board Member

Sabrina Dorsainvil is an artist, designer and illustrator. She is also the Director of Civic Design for the City of Boston’s Mayor’s Office of New Urban Mechanics. Her practice as a public artist and illustrator explores facets of identity, difference, deep reflection, storytelling and the celebration of our shared humanity.

Join us


Are you passionate about public space? We are always looking for driven and dedicated people to work with. Details on open positions are below. If none match your interests, email Aaron at with your resume, a cover letter, and your favorite public space so we can keep you in mind for future positions.

NOW HIRING: Community Manager

Are you a pacemaker that is passionate about working with communities to create vibrant spaces? Well, you just might be the next CultureHouse Community Manager! The Community Manager will conduct community engagement activities across CultureHouse programs, manage projects, and coordinate volunteers across the organization.


Want to help create pop-up community spaces? We’re always looking for volunteers to work with us. It’s a great way to connect with the local community and learn more about CultureHouse and our mission! If you’re interested sign up below (you know you want to).


We have internship opportunities available for people who are driven and passionate about creating spaces for people. Regrettably, we are currently unable to offer paid internships, but they can be done for school credit or are great if you have funding already in place. Sound like fun? Contact Eric at to inquire.