Photo credit: Brian Babcock

Meet Our Staff

Blue Water Baltimore is made up of a dedicated team of staff committed to bringing our mission to life. 

Director Staff

Jenn Aiosa, Executive Director

Jenn Aiosa is a long-time member of Maryland’s environmental community, having worked on science and policy issues for several organizations.

Jenn previously worked as the Director of Conservation Programs at for the Chesapeake Conservancy and Director of Policy and Planning Research for the Maryland Department of Planning. Jenn also worked for the Environmental Defense Fund and as the Senior Scientist of the Chesapeake Bay Foundation (Maryland office). She has also worked for the University of Maryland Cooperative Extension Service on a multi-state water quality program, and for the Maryland Department of Natural Resources on Maryland’s Coastal Bays National Estuary Program.

She received her Bachelor of Science in Marine Sciences with honors from the University of South Carolina and an Master of Science in Environmental Sciences from the University of Virginia. In her free time, Jenn enjoys volunteering at Patterson Park, cycling, and gardening.

Jill Cecil, Director of Finance & Administration

Jill Cecil has a solid background in finance with more than 20 years of experience managing both profit and non-profit finances.

In her role at Blue Water Baltimore, Jill supports the areas of finance, budget, human resources and operations. She earned an Associate of Arts in education from Notre Dame College and an Associate of Arts in Accounting from the Community College of Baltimore County.

Angela Haren, Director of Advocacy and the Baltimore Harbor Waterkeeper

Angela Haren leads the Baltimore Harbor Waterkeeper program, which includes advocacy, enforcement, and water quality monitoring to protect and restore Baltimore’s waterways.

As an environmental and natural resource attorney, Angela has extensive experience in both marine and fresh water resource management. Prior to joining Blue Water Baltimore, she co-founded Clear Resource Law, a firm specializing in legal and policy services for environmental projects. She brings over fourteen years of non-profit experience including serving as a contract attorney for the Natural Resources Defense Council and Program Director for California Coastkeeper Alliance.

Angela holds a J.D. in Environmental Law from Golden Gate University, an M.P.P. in Environmental and Natural Resource Policy from the University of California Los Angeles Luskin School of Public Affairs, and a Bachelor of Arts in Comparative Literature from the University of California Davis.

Program Staff

Michel Anderson, Senior Manager of Ecoliteracy & Engagement

As the Senior Manager of Ecoliteracy & Engagement, Michel Anderson facilitates experiential education activities to help Baltimore residents, institutional staff, and students understand the connection between our streets and streams.

Before joining Blue Water Baltimore, Michel worked as the Ecoliteracy & Sustainability Coordinator for the Waldorf School of Baltimore where he developed original nature-based educational programming and managed a variety of sustainability initiatives.

Michel is an artist, photographer, author, and permaculture practitioner. He has a Bachelor of Arts degree in Visual Art and Photography from the University of Maryland Baltimore County and a Master of Education degree in Sustainability & Nature-based Education from Antioch University New England.

Darin Crew, Senior Manager of Forestry & Restoration

Darin Crew leads our Nursery, Youthworks Program, and Urban Forestry planting and maintenance programs.

Before joining Blue Water Baltimore, Darin worked at one of Blue Water Baltimore’s legacy organizations (Herring Run Watershed) after serving as a fellow for the Chesapeake Bay Program and pulling seine nets for the Maryland Department of Natural Resources. He earned a Bachelor of Science in Biology from University of North Carolina at Wilmington and is a certified professional horticulturist through Maryland Nursery and Landscape Association.

Jessie Hillman, Stormwater Program Manager

Jessie Hillman manages stormwater projects in collaboration with a range of community groups and congregations.

She also administers a cross-sector collaborative of non-profits pursuing transformative, community-driven improvements to Baltimore City’s environmental health. She joined the Blue Water Baltimore team in 2015 with extensive experience in community outreach and non-profit administration. She holds a Bachelor of Arts degree in Cultural Anthropology from Reed College and a Master’s degree in City and Regional Planning from Morgan State University.

Outside of work, volunteers as a librarian with the Station North Tool Library, and works on her live-aboard sailboat in the Inner Harbor.

Sarah Holter, Development & Engagement Coordinator / Waterkeeper Project Assistant

Sarah Holter assists the Development Manager and Executive Director with fundraising, event planning, and office administration. Sarah also assists the Waterkeeper team in the field as a Project Assistant, collecting and transporting water quality samples.

Before joining the Blue Water team she worked in urban agriculture at Real Food Farm and home improvement at Cities For All Ages. Sarah earned a Bachelor of Arts in Economics (Environmental Economics focus) from St. Mary’s College.

Francine Housier, HR Manager

Francine Housier manages Blue Water Baltimore’s human resource functions, including HR compliance, recruitment and on-boarding, employee relations, staff development, payroll, and benefits.

She previously worked in human resources and operations at The Nature Conservancy’s global headquarters in Arlington, Virginia. After arriving in Baltimore in 2009, she began consulting with area non-profit organizations about their human resource needs and issues. She earned a Bachelor Degree in Psychology from James Madison University.

Rob Jenkins, Nursery Manager

With more than 23 years of experience in Maryland’s horticulture industry, Rob Jenkins oversees the daily operations of our Herring Run Nursery. He primarily oversees the production and retail aspects of the nursery.

Rob received both his Bachelor of Science in Biology and Master’s in Environmental Science from Towson University. While working on his master’s degree, Rob interned with Blue Water Baltimore’s water quality monitoring program and the Maryland Department of the Environment.

Barbara Johnson, Water Quality Scientist

As Water Quality Scientist, Barbara Johnson provides support for the ambient water quality monitoring program under the Baltimore Harbor Waterkeeper. Barbara also runs our Outfall Screening Blitz program and our Pollution Reporting 101 trainings and conducts pollution investigations when problems are reported by community members.

Before joining Blue Water Baltimore, Barbara interned with our water quality monitoring program and earned a Bachelor of Arts in Environmental Sustainability and Human Ecology from the University of Baltimore.

Mary Lewis, Herring Run Nursery Coordinator

With more than eight years of experience, Mary Lewis is responsible for the development of nursery outreach and interactive programs at our Herring Run Nursery.

Mary is a certified professional horticulturist through the Maryland Nursery Landscape and Greenhouse Association. Mary earned a Bachelor of Arts in Environmental Studies (Sociology minor) from Salisbury University.

John Marra, Ecoliteracy & Restoration Specialist

An Eagle Scout since 1999 and a founding member of the Baltimore Rock Opera Society, John Marra strongly believes in the importance of volunteerism, community involvement and do-it-yourself ethics.

At Blue Water Baltimore John specializes in installing and maintaining green infrastructure projects throughout Baltimore City and County. He also manages our Storm Drain Art Program and leads various Ecoliteracy Workshops.

Prior to joining Blue Water Baltimore John was a teacher for Art With a Heart, as well as an Americorps member turned assistant supervisor at Civic Works. He earned a Bachelor of Arts from Goucher College.

Jeff Missouri, Administrative & Facilities Coordinator

As the Administrative & Facilities Coordinator, Jeff provides support for administrative, reception and customer service, as well as facilities management.

Jeff has ten years experience in real estate management, five years in contract management/event planning in a campus environment, and 15 years as Director of Parking and Transportation in a hospital environment.

He played an instrumental part in developing and implementing the very first transportation department at the Johns Hopkins Hospital and coordinated University of Baltimore campus events for Artscape. Jeffrey studied at Morgan State University and the University of Baltimore. In his free time, Jeffrey is a mentor who supports young teens in Baltimore through Project Raise.

Corbin Sulton, Implementation Senior Coordinator

As Senior Coordinator of Implementation, Corbin Sulton is responsible for the implementation of Blue Water Baltimore’s landscape and stormwater restoration projects. He also supervises and mentors the field crew in their daily work and is proficient in using heavy machinery and a variety of hand tools.

Prior to joining Blue Water Baltimore, Corbin worked with Baltimore County golf courses and with local private landscape companies. Corbin is also a certified professional in erosion and sediment control.

Alice Volpitta, Lead Water Quality Scientist

As our Lead Water Quality Scientist, Alice Volpitta manages our ambient water quality monitoring program under the Baltimore Harbor Waterkeeper.

Alice also manages the illicit discharge detection and elimination project. Previously she worked with the Maryland Department of Natural Resources managing its Non-Tidal Network Program and carrying out monitoring surveys across the state.

Alice earned her Bachelor of Arts in Biology with a minor in Environmental Studies from St. Mary’s College of Maryland.

Robert Walker, Implementation Coordinator

As the Implementation Coordinator for Blue Water Baltimore, Robert Walker ensures thorough project implementation, completion and accuracy of inspection reports.

He is also responsible for planting street trees and the construction and landscaping of environmental stormwater projects and rain gardens within the Baltimore region. Prior to joining Blue Water Baltimore, Robert worked with the Center for Urban Families.

Peter Weitzmann, Database Specialist

As Database Specialist, Peter Weitzmann  is determined to use data and technology to promote solutions to environmental and social issues in Baltimore.

Peter works to support Blue Water Baltimore’s programmatic and development goals by overseeing the collection, organization, and utilization of data at Blue Water Baltimore.

Prior to joining Blue Water Baltimore, Peter earned a Bachelor of Arts in Anthropology from Hamilton College. He also worked as an admission counselor at the University of Baltimore.

Marissa Zuckerman, Communications Specialist

Marissa is passionate about all things marketing, communications, and public relations; Marissa manages our website, newsletter, blog, social media, and news/media coverage.

Marissa has expertise in science and environmental/nature communications; she holds a Bachelor of Science in Environmental Science from Ithaca College and a Master of Arts in Strategic Communication from American University.

Prior to joining Blue Water Baltimore, Marissa worked as a science communicator for Cornell University’s Boyce Thompson Institute and Paleontological Research Institution. In her free time, Marissa plays rugby, lifts weights, volunteers through Habitat for Humanity, and hunts for fossils.