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Monday, July 20, 2020 | 8:30 am

Opening Plenary

Larry Coffman,  Past Deputy Director, Prince George's County Department of Environment (retired)

Larry Coffman has been a regulator, consultant, educator and inventor in the stormwater industry for over 50 years working in both the public and private sectors. While working for Prince George’s County Maryland in the 1990’s 2000’s he created and became the recognized expert on the groundbreaking and national award-winning Low Impact Development approach to urban stormwater management. He pioneered bioretention (rain gardens) and developed successful commercial versions of high flow bioretention technologies.

He was a co-founder of the Maryland based Low Impact Development Center and the TX-based Convergent Water Technologies. He has authored dozens of articles and manuals on LID.  He has provided LID program guidance and training around the world to countries such as China, New Zealand, Australia, Netherlands; Federal agencies such as EPA, DOD, and ACOE; and, dozens of state, county, local governments, estuary programs, counties, regional authorities, professional organizations, universities, and non-profit groups. Currently, he is retired and living on Florida’s Suncoast.

Mami Hara, Director of Seattle Public Utilities

Mami Hara is the Director of Seattle Public Utilities, appointed by Mayor Murray in 2016.

Mami Hara was the network coordinator of a practitioner network that supports communities seeking to expand green storm water infrastructure programs. While in Philadelphia she helped implement national models that Seattle aspires to today. Green City, Clean Waters is the nation’s most ambitious green infrastructure program and its successes are helping to define national practice. Hara had served for five years as Chief of Staff at Philadelphia Water.

She has led management and policy coordination of a renowned public utility and direction of an international design and planning firm. In her public sector and private practice roles, Mami has guided planning and implementation of award-winning green infrastructure, sustainability, economic development, and waterfront programs across the US. In those efforts, she has advanced sustainable land and water management practices through cultivating leaders, partnerships, participation, planning and knowledge sharing. Mami has degrees from the University of Pennsylvania and Harvard University and is an advisor to several planning and design advocacy organizations. She has taught at PennDesign, Temple School of Architecture and the Department of Urban Studies and Planning at MIT.

George HawkinsGeorge S. Hawkins, Esq., Founder and CEO, Moonshot LLC and Moonshot Missions

George Hawkins launched his innovation-focused enterprises Moonshot LLC and Moonshot Missions after stepping down as CEO and General Manager of DC Water, where he served for eleven years. George helps agencies identify and adopt strategies to deliver better service and lower cost.

George transformed DC Water into an innovative enterprise while tripling its investment in clean water. DC Water’s innovations ranged from Green Infrastructure to a $500 million investment in clean energy. DC Water issued the first-century bond, first environmental impact bond, and spearheaded programs to support low-income customers.

George serves on the National Infrastructure Advisory Council, which advises the White House. George is an advisor to Xylem, Inc. and is an Executive in Residence for XPV Water Partners.  George serves on the Boards of the North American Electric Reliability Corporation and the US Water Alliance. George has served as a Senior Lecturer at Princeton University and an Executive in Residence for American University.

Mr. Hawkins also served as Director of the DC Department of the Environment and also served as Director of non-profit organizations and held positions with the USEPA and the firm Ropes & Gray.

George is a popular speaker on water, infrastructure, and environmental issues. He has been the recipient of many awards, including the AWWA’s Fuller Award for Leadership and Innovation, Governing Magazine’s Public Official of the Year in 2015, WEF Public Official of the Year in 2016, and the Water Leader of the Year Prize in 2017. DC Water was awarded the US Water Prize in 2016.

He graduated from Princeton University (Summa Cum Laude) and from Harvard Law School (Cum Laude).

Tuesday, July 21, 2020 | 8:30 am

Opening Plenary

Green Infrastructure Innovation and Co-Benefits in the Anacostia Watershed

Tommy Wells, Director, DC Department of Energy and Environment

Tommy Wells is the Director of the District Department of Energy and Environment. Most recently, Wells served as Ward 6 Councilmember, a position he held since 2006.

During his tenure on the DC Council, Wells won support throughout Washington for his fundamental goal:  creating a livable and walkable city for all.

Wells started his Washington career in 1983 as a social worker in the DC foster care system, where he spurred and led a successful class-action lawsuit, LaShawn v. Barry, to address the city’s failure to protect children in its care. In 1991, he took the helm of the DC Consortium for Child Welfare, and later established a groundbreaking program to match foster families with children affected by HIV/AIDS and also led the drive to create the D.C. Family Court.

Wells has championed the next generation of public transit–including streetcar lines, expansion of the D.C. Circulator, and improvements in overall bus service. In addition, he crafted a landmark bill to charge a nominal fee on disposable bags.

Wells graduated from the Columbus School of Law at Catholic University in 1991 and earned a Master’s degree in Social Work from the University of Minnesota in 1983.

Adam Ortiz, Director, Department of the Environment, Montgomery County, MD

Adam Ortiz is the Director of the Montgomery County Department of Environmental Protection, a $140 million agency with 300 employees and contractors. The Department oversees programs for watershed restoration, greenhouse gas reduction, renewable energy, sustainability, and environmental compliance.

Prior to joining Montgomery County, Adam served as the Director of the Department of Environment for Prince George’s County, Maryland, from 2012 through 2018 where he oversaw stormwater management, recycling, waste management, animal services, and sustainability programs. He launched several industry-leading initiatives including the largest municipal organics composting facility in the country, a $100 million public-private partnership for green infrastructure focusing on small and local business development, and various partnerships with faith, nonprofit, and business sectors.

Joe Gill, Director, Department of the Environment, Prince Georges County, MD

Joseph P. Gill was confirmed as the Director of the Prince George’s County Department of the Environment (DoE) on May 14, 2019. He previously served as the Deputy Director of DoE where he was responsible for overseeing day-to-day agency operations for clean water, flood control, recycling, waste management, litter prevention and animal services.

He joined the County from the Maryland Department of Natural Resources (DNR) where he served as Secretary (2013-15) and Deputy Secretary (2010-13). Gill chaired the Governor's Council on the Chesapeake Bay; represented the Governor on President Obama’s Task Force on Climate Preparedness and Resilience and served on the Maryland Climate Change Commission; and co-chaired with the Maryland Superintendent of State Schools the Maryland Partnership for Children in Nature.

COVID-19 Update

In response to the global outbreak of the coronavirus (COVID-19), ASCE is committed to reducing the risk of adverse health impacts to the thousands of ASCE members, guests and staff that participate in numerous ASCE committee meetings, conferences and events. Thank you for your continued patience and dedication to ASCE and its Institutes. At this time, no decision has been reached regarding the International Low Impact Development (LID) Conference to be held in Bethesda, Maryland, July 19-22, 2020. Please continue to check this webpage for updates. For the impact of the coronavirus on other ASCE events, please visit

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