OARS Staff

Alison Field-Juma - Executive Director
Alison joined OARS as Policy Director in June 2005 and became Executive Director in 2010. Alison is Vice-Chair of the Sudbury, Assabet and Concord Wild & Scenic River Stewardship Council, serves on the Board of Directors of the 495/MetroWest Partnership, is the Chair of the Aquatic Invasives Management Subcommittee of the SuAsCo Cooperative Invasive Species Management Area (CISMA) and past CISMA chair, and represents OARS on other state and regional advisory boards. She also serves on the Muddy Water Initiative Advisory Board in Boston. Prior to joining OARS, Alison was Director of the Environmental Governance Programme of the African Centre for Technology Studies in Nairobi, Kenya. Alison holds an MSc in Natural Resource Policy and Planning from Cornell University, a BSc in Biology from Tufts University, and is Municipal Vulnerability Preparedness certified.

Vanessa Perini - Development Director
Vanessa brings many years of successful nonprofit fundraising, marketing and communications experience to OARS. She has extensive experience serving local nonprofits and small businesses professionally and as a board member and volunteer. Vanessa enjoys building and developing community relationships, partnerships and capacity building. Her appreciation and enjoyment of all things related to water, started at an early age while spending summers on Lake Ontario with her family. In her free time, Vanessa enjoys long walks in the woods with her rescue pup, boating, kayaking, fishing, gardening and swimming!

Ben Wetherill - Water Quality Scientist
Ben joined OARS in the spring of 2019 to lead the water quality monitoring program. Ben has been a freelance consultant providing support with water monitoring projects and specializes in water data analysis and water monitoring sensor technologies. He worked for several years managing the lab and leading water quality monitoring projects at the Cohasset Center for Student Coastal Research, and taught high-school water science and technology. Ben has a BA from Wesleyan University, an MBA from the University of Pittsburgh, and a Master’s degree in Environmental Science & Technology from UMass Boston. Ben loves canoeing, kayaking, sailing, and hiking, and he is an active advocate for safe biking infrastructure in Boston.