? Low Impact Development Center

While our aim is to make our website easy to understand and navigate we know there are times when you may need assistance.

We have provided a number of ways for our staff to help you:

Snail Mail


For GSA schedule information or training opportunities:
nweinstein [at] lowimpactdevelopment.org

For inquiries about resources, publications, or website questions:
info [at] lowimpactdevelopment.org

*Note about requests for publications, image permissions, and questions for staff:
1. See note below about SPAM.
2. Please add a subject line to your email with a brief description of your request.
3. Review the list of Staff Members below and when appropriate send a request directly to the staff person who may best assist you. We will add information to each staff person's bio to help you narrow down your choice.

*Note about response times for requests:
We will respond to you as soon as possible. If you do not hear from us within 48 - 72 hours then it is possible that the email was incorrectly received as SPAM. Please FAX your contact information along with a brief description of your request [ATTN: LID Center]. Thank you.


Please call us at:


Please fax us at:

Mailing Address

     5000 Sunnyside Avenue
     Suite 100
     Beltsville, Maryland 20705

LID Center Staff

Weinstein, Neil
Blakeslee, Megan
Clifton, Emily
Fleming, Kelly
Tennekoon, Lilantha
Cho, Suzy
Taylor, Tarell
Ayers, Emily

Neil Weinstein, P.E., ASLA, AICP, ENV PV is the Executive Director and one of the founders of the Center. Neil is a registered engineer and landscape architect and is a member of the American Institute of Certified Planners and the ASCE Urban Water Resources Research Council. He has an M.S. in Environmental Engineering from Johns Hopkins University and a M.L.A. from the University of Georgia. For the last 10 years Neil has primarily been focused on the planning, research, and design of innovative stormwater management practices, including LID. Prior to that he worked as a development engineer and planner on municipal, institutional, and private sector projects.
Email: nweinstein [at] lowimpactdevelopment.org

Megan Blakeslee is the Director of Operations and Programs at the LID Center, working closely with the Executive Director in contributing to future growth of the organization and ensuring efficient operation of the office. In addition to overseeing company policies and preparing corporate documents, Megan is responsible for the tracking of grants, working with staff to ensure timely completion of project tasks within budget. She also participates in the grant proposal process and quality control for deliverables. Megan has a B.A. in Communication and a B.S. in Marketing from the University of Maryland.
Email: mblakeslee [at] lowimpactdevelopment.org

Emily Clifton is an Environmental Planner and Scientist with over 10 years of experience. She has an M.S. in Environmental Science and a Masters in Public Affairs from Indiana University. She also has a B.A. in Business Administration and a B.A in Philosophy from Austin College. Emily leads the Center’s effort on Green Infrastructure. She has provided leadership on design manuals, training, outreach efforts, research, and plan development and review. She has worked in the Washington, D.C. area to protect the Chesapeake Bay watershed since 2002.
Email: eclifton [at] lowimpactdevelopment.org

Kelly Fleming, RLA is Senior Landscape Architect at the LID Center. She has a Bachelor of Landscape Architecture (BL.A) from the University of Maryland and both a Master of Landscape Architecture (MLA) and a Master of Design Studies (MDesS) from Harvard. She has over 10 years of professional experience, as well as 2 years of teaching experience at UMD’s Landscape Architecture Program as Adjunct Faculty where she also collaborated with the Neighborhood Design Center working with municipalities in Prince Georges County. Kelly is responsible for the sustainability design effort at the LID Center.
Email: kfleming [at] lowimpactdevelopment.org

Lilantha Tennekoon, P.E. is a water resources engineer with over 8 years of diverse technical and research expertise in watershed management and environmental studies. He has an M.S. in Civil and Environmental Engineering from Temple University and a B.S. in Electrical Engineering from the Milwaukee School of Engineering. Mr. Tennekoon has experience in groundwater flow modeling, dam breach studies, solute transport modeling, and is knowledgeable on a suite of computer modeling programs. He has performed detailed riverine hydrologic and hydraulic studies to map flood boundaries and design flood mitigation options.
Email: ltennekoon [at] lowimpactdevelopment.org

Suzy Cho  is an Environmental Planner at the Low Impact Development Center with a Bachelor of Landscape Architecture (BLA) from the University of Maryland. During her academic career she received the Maryland ASLA Merit Award and won first place in the Urban Agriculture Design Competition. Suzy brings her knowledge in a wide array of application software and is responsible for the graphic communication at the LID Center.
Email: scho [at] lowimpactdevelopment.org

Tarell Taylor  is a water treatment engineer with over 5 years of extensive technical and research expertise in the fields of waste water remediation, sewage treatment, chemical impact, and environmental compatibility. She has certifications in Waste Management and Six Sigma Greenbelt as well as experience in IDEXX technologies and tissue engineering techniques. She has developed technical reports for local and state governments in regards to recycling practices and health risk assessments of chemical polymer systems. Ms. Taylor is also well versed in a host of computer program languages and modeling systems. Ms. Taylor holds a B.S. in Chemical Engineering and an M.S. in Bioengineering, both from North Carolina Agricultural and Technical State University.
Email: ttaylor [at] lowimpactdevelopment.org

Emily Mitchell Ayers, Ph.D. is an Ecological Engineer who has worked in the field of Low Impact Development since 2002. She has a B.S. in Physics from Binghamton University, an M.S. in Earth Resources Engineering from Columbia University, and a Ph.D. in Biological Resources Engineering from the University of Maryland. While at the University of Maryland, she conducted the first field surveys of the long-term development of rain garden soils and soil ecosystems, and researched the potential role of earthworms in maintaining rain garden infiltration rates over time.  She has experience in LID design, modeling and the creation of design tools.
Email: emayers [at] lowimpactdevelopment.org