Tiller Language Services delivers world-class translation and interpretation services. Our capabilities extend beyond words written on a page or spoken aloud at an event. We understand the critical role of language in the effective communication of a message or achievement of an objective. That’s why we not only execute the work, but also provide strategic guidance on how to integrate language and culture into programs. Our dedicated team draws on years of professional experience and a global network of language experts to make your voice heard.

Maureen Sweeney

Maureen Sweeney manages client relationships, leads project teams, and provides language consulting for Tiller Language Services. Maureen also focuses on recruitment, selection, and training of our talented cadre of language services professionals. Holding a master of public administration degree from the acclaimed Monterey Institute of International Studies, Maureen’s career spans language, protocol, and events-related work for global organizations and worldwide programs. She has held senior-level staff positions and advisory roles for the International Olympic Committee, the United States Olympic Committee, and numerous Olympic Organizing Committees including Atlanta, Sydney, Salt Lake, Torino, Beijing, Vancouver, London, Sochi, and Rio de Janeiro. In addition, Maureen has supported other high-profile international organizations including the Clinton Global Initiative (CGI), the Bill & Melinda Gates Foundation, and One Heart World-Wide. Maureen excels at negotiating complex organizations and coordinating programs involving high-profile clientele.

Todd Dennett

Todd Dennett supports business development, as well as manages client programs for Tiller Language Services. In addition, he serves as founder and CEO of Tiller, our sister organization, providing event management and trip planning services. Todd holds a master of business administration from the University of Washington and boasts extensive experience supporting global organizations and managing programs that require the highest-caliber services. His work includes strategic planning and project management for clients including the Bill & Melinda Gates Foundation, United Nations Foundation, Democratic National Committee, and several Olympic Games. Todd began his career in The White House managing events for Vice President Gore, and has since worked supporting the global needs of his clients throughout the U.S., Africa, Asia, Europe, and Latin America.

Bill Weber
Strategic Advisor

Bill Weber provides strategic guidance to Tiller Language Services, and also delivers translation and interpretation services to key clients. Fluent in French, German, and English, Bill is a recognized leader in the global language-services community. He holds a master of arts in conference interpretation from the University of Geneva/Switzerland, and has served as the chief interpreter for eight Olympic Games. His significant, global client roster includes multiple G7 and G8 Summits, as well as the United Nations. Bill was the Dean of the Graduate School of Translation and Interpretation at the Monterey Institute for International Studies for 14 years, and a consultant with numerous graduate schools of Translation and Interpretation in Europe, Asia, Latin America, and the U.S. Bill has trained interpreters for 50 years and is the author of The Training of Translators and Conference Interpreters.

Sarah Van Mill
Project Manager

Sarah manages projects for Tiller Language Services. She brings a broad range of experience from working in the non-profit, public, and consulting sectors. Throughout her career she has routinely used language services, which left her with a keen understanding of client needs and the importance of quality language services for effective communications. She is committed to delivering clients high-quality language services that meet their strategic goals.

Sarah holds a master of philosophy in justice and transformation from the University of Cape Town and a bachelor of arts in sociology from the University of Notre Dame.

Emma Swanhuyser
Project Coordinator

Emma supports client projects and business development for Tiller Language Services. Prior to joining Tiller, Emma worked for the University of Washington’s Institute for Health Metrics and Evaluation, where she supported communications and data analysis. Previously, she aided operations and communications at the Washington Global Health Alliance and managed high-profile guests for KING 5 News. Emma understands the importance of clear and effective communication strategies, no matter the language.

Emma holds a bachelor of arts in medical anthropology and global health and a minor in Spanish from the University of Washington.