Meet Our Staff

COVID-19 Update

We continue to proactively work to keep our staff, volunteers, and community partners safe and healthy. As part of our efforts:

  • Our main office is closed until further notice.
  • Herring Run Nursery is open by appointment only — click HERE for details.
  • Our staff are working remotely and practicing social distancing.
  • For general inquiries please send email to [email protected]. You will then be forwarded to the appropriate staff member to answer your question. We will do our best to respond in a timely manner.

For updates, check our website regularly and follow us on social media

Director Staff

Bob Summers Ph.D., Interim Executive Director

Bob assumed the Interim Executive Director position of Blue Water Baltimore on March 1, 2021. Bob is the former Maryland Secretary of the Environment. He retired in January 2015, after 32 years of State service. During his career he led the Department of the Environment’s programs, scientific, technical, and administrative staff responsible for environmental planning, regulation and pollution control to protect Maryland’s water, air, and land, with special emphasis on restoration of the Chesapeake Bay and other water-related issues. In addition to seeing BWB through this transition, Bob is currently a Principal with EcoLogix Group Inc., an environmental consulting firm headquartered in Baltimore, Maryland. He is a lecturer with the Johns Hopkins University Engineering Program for Professionals, teaching a course on estuarine and coastal science and management and he has an appointment as Senior Research Scientist with the University of Maryland Center for Environmental Science.

Jill Cecil, Director of Finance and Administration

Jill oversees finance, administration, facilities and technology activities at BWB.  It may not be a flashy job, but she enjoys providing the support systems that keep the rest of the environmental warriors out in the field fighting the good fight. Prior to joining BWB in 2011, she spent 12 years managing the finances for both for-profit and nonprofit organizations. When she’s not counting beans, Jill can be found out on the water, literally.  Fun Fact: She lives on a boat in downtown Baltimore with her partner and their chihuahua, Little Dog.

Leanna Powell, Director of Development

Leanna directs the fundraising team and loves introducing people to the superheroes of Blue Water Baltimore. Leanna grew up along the waterways of southern Maryland but has spent more than a decade in Baltimore wears her Inner Harbor skyline tattoo with pride. She enjoys running and biking along City waterways and teaches wood carving in her spare time. Fun fact: Leanna is certified to drive a forklift and once worked as a furniture mover.

Alice Volpitta, Baltimore Harbor Waterkeeper

As our Baltimore Harbor Waterkeeper, Alice directs our water quality monitoring programs and spearheads our enforcement efforts. She also oversees the management of our pollution reporting hotline, regulatory & permit review, and policy evaluation work. Alice has a BS in Biology & Environmental Science from St. Mary’s College of Maryland and is a Certified Stormwater Inspector. When not patrolling our waterways, she can be found hiking and treasure hunting near them, quilting, and making Pugtatos (you’ll have to ask her to learn what that means).


Program Staff

Michel Anderson, Senior Manager of Ecoliteracy & Engagement

Michel develops and oversees our engagement and ecoliteracy programs that are designed to nurture and grow peoples’ understanding of our connection to water and waterways. He takes our scientific data and restoration practices and makes learning about them more easily digestible and fun. He holds a BA in Visual Art from University of Maryland Baltimore County, and a MEd in Nature-based & Sustainability Education from Antioch University New England. Michel spends his free time meandering in wild places (as opposed to hiking), practicing guitar and magic, and writing. He is also a board member of ERAFANS (the Eastern Regional Association of Forest and Nature Schools). Fun fact: Michel lived in Hanoi, Vietnam, for two years. He still uses chopsticks daily and believes they are way better than the vastly inferior fork.

Darin Crew, Senior Manager of Operations

Darin oversees the operations of our multifaceted projects and staff. A long-time member of Blue Water Baltimore, Darin worked at one of Blue Water Baltimore’s legacy organizations (Herring Run Watershed Association). Darin is a former Chesapeake Bay Program Fellow and Maryland Department of Natural Resources.

Zoe Gensheimer, Community Engagement Manager

Zoe leads our engagement with the Baltimore community prior to and after our tree plantings and maintenance events. She organizes our free tree giveaway program and assists with ecoliteracy and educational activities. She grew up in Baltimore City and plans to stay here for a long time, working with friends, family, and local communities to return the land to a forest.

Rob Jenkins, Nursery Manager

With more than 30 years of experience in Maryland’s horticulture industry, Rob oversees the daily operations of our Herring Run Nursery.  His long term goals are: to continually expand the Nursery, both in terms of outreach and in support of Blue Water Baltimore’s mission, to increase the Nursery’s production to include more local ecotype natives that are grown and sustainably harvested by our staff and volunteers, to expand the use of natives in the greening of, and pollutant reduction within, our watersheds. Rob has a BS in Biology and an MS in Environmental Science; additionally, he is a CPH (Certified Professional Horticulturist) and a CBLP (Cheasapeake Bay Landscape Professional). In his free time, Rob enjoys triathlons, mud runs, bouldering, and axe throwing. When he’s not exerting himself physically, he can be found immersed in the story of Kratos and Atreus (playing God of War). Fun fact: Rob doesn’t care for pants, he only wears shorts, no matter the temperature.

Barbara Johnson, Water Quality Scientist

As our water quality scientist, Barbara manages the ambient water quality monitoring program under the direction of 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. She has an BA in Environmental Sustainability & Human Ecology from The University of Baltimore; addionally, she is a CSI (Certified Stormwater Inspector) from the National Stormwater Center. In her free time, Baraba can be found painting, printmaking, and exploring history. Fun fact: Barbara did The Twist on stage with Chubby Checker when she was eight years old; thus cementing her love of rock ‘n’ roll forever.

  • Phone: 410-254-1577 ext. 115

Mary Lewis, Nursery Assistant Manager

With more than eight years of experience, Mary is responsible for, not only the operations, but also the development of outreach and interactive programs at our Herring Run Nursery.

David Macfarlane, Bookkeeper & Financial Reporting & Volunteer Extraordinaire

David  has worked in IT and finance for over 30 years, including at Habitat for Humanity, Lutheran World Relief, FCNL, and The Baltimore Sun. At BWB, David keeps an eagle eye on our revenue and expenses. He enjoys hiking with his daughters (and others), has recently taken up the harp and Tai Chi, and enjoys listening to Jungian podcasts. Fun Fact: David used to work as a Shiatsu Therapist. Fun Fact 2: David works for BWB as a volunteer!

John Marra, Ecoliteracy & Restoration Specialist

John manages our storm drain art program and leads many of our ecoliteracy programs and green infrastructure projects. As an Eagle Scout since 1999, Americorps member, 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.

Cody Matteson, Water Quality Program Senior Coordinator

Jeff Missouri, Administrative & Facilities Coordinator

Jeff provides administrative and facilities support at Blue Water Baltimore. Jeff manages building maintenance, information technology, mail services, and customer service. Jeff has many years of experience in real estate management, contract management, event planning, and logistics in campus and hospital settings. In his free time, Jeffrey is a mentor who supports young teens in Baltimore through Project Raise.

Lauren Paulet, Communications Specialist

As our communications specialist, Lauren uses digital and social media platforms to engage with supporters like you! Lauren’s passion for environmental conservation stems from many years of boating on the Biscayne Bay in South Florida. Before joining our team, she spent a year interning with Miami Waterkeeper and learning about the global reach of the Waterkeeper Alliance (of which we are also a member!) Her studies at Johns Hopkins not only introduced her to Baltimore, but also helped advance her understanding of our regional environmental issues. Now she hopes to share this knowledge with Baltimoreans at large, and meaningfully engage with the communities we impact. Fun fact: Lauren was raised in a bilingual household, and she’s advocated for clean water in a multicultural city. 

Corbin Sulton, Implementation Senior Coordinator

Corbin implements our landscape and stormwater restoration projects. He also supervises and mentors our field crew in their daily work. Corbin is a certified professional in erosion and sediment control and is proficient in using heavy machinery and a variety of hand tools.

Robert Walker, Implementation Coordinator

Robert ensures thorough implementation, completion, and accuracy of inspection reports for our restoration projects. 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 and is an Army veteran.

Peter Weitzmann, Database Specialist

Peter is determined to use data and technology to promote solutions to environmental and social issues in Baltimore. Peter works to support our programmatic and development goals by overseeing the collection, organization, and utilization of data. He has a BA in Liberal Arts (Anthropology) from Hamilton College and is a Salesforce Certified Administrator and a Baltimore Treekeeper. In his free time, Peter plays guitar with his band, and enjoys camping and hiking. Fun fact: Peter has visited five continents, and he has worked or volunteered in four different countries (US, S. Korea, Thailand, Australia).