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Mission & Values

The mission of World Boston is to foster engagement in international affairs and cooperation with peoples of all nations.

Independence

We respect our speakers and program participants: We do not advocate for policies or positions.

Openness

We embrace new information, perspectives, and connections between people.

Hospitality

We actively welcome international visitors to our community and participants to our programs.

Excellence

We strive for quality and professionalism in our programs and workplace.

Diplomacy

We promote professional and citizen diplomacy.

Diversity, Equity, Inclusion, Accessibility.

We consider DEIA to be essential elements of international engagement and global cooperation.

We are proud members of GlobalTies and World Affairs Council of America

We acknowledge that Boston is situated on the traditional homelands of the Massachusett People. We also acknowledge their relatives and neighbors, the Nipmuc and Wampanoag Peoples.

WorldBoston is an independent, nonpartisan, nonprofit organization with tax-exempt status under Internal Revenue Code section 501(c)(3).

Our Team

Mytreyi Sureshkumar

Citizens Diplomacy Program Coordinator
Contact Mytreyi

Our Board

James De Vellis

Chair

Tom Ebling

Treasurer

Bennett Schwartz

Secretary

Sanjay Aggarwal

Henry Ancona

Maureen Bennett

Ted Carr

Gretchen Cook-Anderson

Jonathan Dorfman

Matthew Findlay

Colleen Gallahue

Eric Uchida Henderson

Jim Kaufman

Gaetan Kashala

Ann LaFrance

Nathalie Merida

Heather O'Brien

Cristiana Salgado-Braga

Deborah Smith

Ramsay Thurber

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WorldBoston: 33 Broad Street, Suite 803, Boston, MA 02109

Isabella Stevens

Programs Associate

Isabella is a fourth-year student at Northeastern University studying Political Science and International Affairs with a minor in French.  She spent a semester abroad in Rome and recently completed a program on French Language and Culture in Lyon and Paris where she developed her French fluency skills.  Isabella’s first Co-op experience was with the International Law Institute in Washington, DC. 

Madeline Marsh

Outreach Associate

Madeline is a fourth-year at Northeastern University studying International Affairs and Media & Screen Studies. She has studied in London and the Balkans, delving into conflict negotiation, nuclear deterrence, and diplomacy. Madeline is intrigued about the impact of emerging technologies such as AI on the developing world and international security. Madeline's previous co-op was self-developed with Harvard's Davis Center for Russian and Eurasian Studies, where she collaborated with researchers at the Lviv Center for Urban History and Georgian film directors. Academics aside, Madeline is director of Northeastern's video production organization, NUTV (one day she'll work on a documentary) and helped reinstate the Alexander Hamilton Society, for which she runs media and outreach. She adores film, travel, gallivanting around Boston with her siblings, and rejoices in photosynthesizing in the fens with a book. Madelins is beyond exhiliarated to be with WorldBoston and looks forward to learning form their staff and programming.

Matthew Zuccaro

Special Programs Associate

Matt is a fourth-year student pursuing his B.A. in Political Science and International Affairs at Northeastern University. He spent a semester abroad in Florence where he studied the European Union and Italian cultural history. Matt is a lead student ambassador for the Northeastern Votes Coalition, promoting civic education and engagement. He completed his first co-op with the Community Service and Civic Engagement Team at Northeastern. This past semester, Matt completed his second co-op as a WorldBoston Programs Associate, and he is thrilled to be rejoining the team as a Special Projects Associate.

Elena Castellini

Citizen Diplomacy Associate

Elena is a recent double Northeastern graduate, holding a Dual BA in Political Science & International Affairs, and a MA in Political Science.


During her Master's degree, she did her Co-op at WorldBoston on the Citizen Diplomacy team and particularly enjoyed connecting with many international visitors, as an international citizen from Monaco herself. She returned to WorldBoston in July 2024 after graduating, as the Citizen Diplomacy Associate.
Outside of work, Elena enjoys teaching yoga and boxing classes, reading books from all genres, and biking around Boston all year-long.

Heather Pierce Lee

Operations and finance manager

Heather joined the WorldBoston team in January 2025 as the Finance and Operations Manager.

Recently, Heather has worked as a Finance Manager at a local women-owned technology firm.  She has over 20 years of experience in financial services at companies such as Putnam Investments, BNY Mellon, and MFS Investment Management in roles that spanned from International Client Service to Information Systems.  Heather previously worked as a Program Coordinator for a non-profit that installed solar powered computer labs in primary schools in Tanzania and Kenya. 

Heather has volunteered for her local public school and youth soccer. In her spare time, she likes to knit, read, and play board games with her family.

Heather holds a B.A. from Boston University in Political Science and an M.B.A. from Boston University.  She speaks French and is learning Portuguese and Spanish. 

Justin Dynia

Manager of Custom Visitor Programs

Justin has been the Manager of Citizen Diplomacy Programs since January 2025, managing WorldBoston’s Custom Visitor Programs portfolio. Justin has been associated with WorldBoston since May 2024, working on implementing the International Visitor Leadership Program (IVLP) and the Fulbright Visiting Scholars Cultural Enrichment Program.

Justin possesses years of experience in political communications, nonprofit management, and community engagement. His graduate studies focused on improving the State Department’s humanitarian response to migration with Mexico, which included meetings with American and Mexican government officials in December 2023. He served as an Advocacy Associate for Boston Climate Action Network, promoting climate justice policies and co-hosting sustainability events. Additionally, he served as the Communications Director for Massachusetts State Representative Kevin G. Honan, focusing on political communications and legislative research.


Justin holds a B.A. from Boston University in Political Science and Spanish and an M.A. from the Frederick S. Pardee School of Global Studies - Boston University in Latin American Studies. He is fluent in Spanish and Portuguese.

Joshua Bruno

Director Of Citizen Diplomacy Programs

Josh joined WorldBoston in February 2020 as Manager of Citizen Diplomacy Programs, working on Custom Visitor Programs, the International Visitor Leadership Program, and the Fulbright Visiting Scholar Cultural Enrichment Program.

Josh’s background features the service of others, both domestically and abroad. Josh has volunteered in Bolivia and El Salvador, taught English in Spain and took graduate courses in Colombia. In 2017, Josh traveled to Puerto Rico following Hurricane Maria to help provide emergency aid and assistance to families. Most recently, Josh has served as a coach for Latino/a students entering college in the Boston area, providing them with wrap-around support to help them succeed inside and outside of the classroom.

Josh holds a B.A. from Endicott College in International Studies and an M.A. from Boston University in Latin American Studies. He speaks Spanish and intermediate Italian.

Harrison Zeiberg

Community Engagement Manager

Harrison joined the WorldBoston team in February 2024 as the Community Engagement Manager.

Previously Harrison served as the Field Director for a local political campaign in his home city of Malden, and prior to that he served as an SCI AmeriCorps Member at the Network for Social Justice. As an SCI AmeriCorps Member, Harrison was involved in running a High School internship program along with the planning and execution of 20 community events.
 
Harrison holds a B.A. in History and Political Science from Wheaton College (MA) and is a member of the Phi Beta Kappa and Pi Sigma Alpha academic honor societies. In his free time he likes to creatively write and is an avid reader.

Gene Fullam

Interim Operations Manager

Gene comes to WorldBoston (WB) through Empower Success Corps (ESC), a Boston based nonprofit, where he is a Fellow within ESC's Fellowship program. As a Fellow, Gene works closely with mission-driven organizations to achieve strategic financial, operational and fundraising outcomes. 

 
As WB's interim Operations Manager, Gene brings to WB a multi-disciplinary background with significant financial, operational, and organizational development skills. His experience spans the private, public and non-profit sectors; and includes roles as a former investment banker for Salomon Bros.(Cititgroup), Lehman Bros., HongKong & Shanghai Bank and Standard & Poor's Corporation (where he began his career). Additionally, Gene's interests include working with vulnerable individuals and communities - initially as a Catholic Big Brother (NYC), a AAU basketball coach (in NYC and counties), and COO for a nonprofit focused on education / workforce development outcomes. Gene also served, by appointment, in the State of Vermont, Agency of Commerce & Economic Development, as Director of its Foreign Direct Investment Center.  
 
Gene earned his undergraduate degree from Boston College and a Master's Certificate (NonProfit Management) from Northeastern University. When not crunching numbers or resolving operational issues, Gene's other passions include gardening, hiking (with his labradors), and reading (history / biographies). 

Sarah Sibley

Vice President for Citizen Diplomacy

Sarah joined the WorldBoston team in January 2016, overseeing WorldBoston Citizen Diplomacy programs, including the International Visitors Leadership Program.

Recently returned to the U.S. and her hometown of Plymouth near Boston, Sarah worked and studied in the United Kingdom and Morocco for the last five years.  In London, Sarah spent three years running child protection projects for vulnerable children and their families in Morocco with the Moroccan Children’s Trust (MCT), and also working in management and operations with its sister organization, Community Action for Refugees and Asylum Seekers. Sarah then joined the MCT team in southern Morocco as its sole delegate responsible for in-country coordination and development of its child protection and international volunteering projects

Sarah holds a B.A. from the College of William and Mary in International Relations, and an M.A. from Queen Mary, University of London in International Development.  She speaks French and intermediate Standard and Moroccan Arabic. 

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Mary P . Yntema

President & CEO

Mary joined WorldBoston in May 2014, bringing extensive international experience combined with nonprofit sector and management expertise. Prior to WorldBoston, Mary worked as a consultant on nonprofit governance. She has served as interim executive director of the Boston Center for Community and Justice, executing a historic program merger with YWCA Boston; as executive director of the Courageous Sailing Center of Boston; and as founding executive director of United Way Moscow, where she resided for eight years. Her corporate experience includes institutional equity sales at Brunswick UBS Warburg and Pioneer Securities and running a sales department as vice president of the Center for Business Skills Development, all in Moscow.

Mary is a former member of the board of MassEquality, where she served as an ally, and has served as a volunteer on the boards of United Way Moscow, the International Center for Not-for-Profit Law, the Brattle Film Foundation, and the Boston Center for Community and Justice. She is currently on the Board of the World Affairs Councils of America (WACA).

Mary holds an A.B. from Harvard University, an M.A. from The Johns Hopkins School of Advanced International Studies and an M.B.A. from Columbia Business School, and is a BoardSource Certified Governance Trainer.