Board Members


Brooke Kepley



Brooke has more than 13 years demonstrated Supply Chain and Operations experience with specialization in global marketplace and fortune 500 companies. She has direct experience in international commerce, supplier development, strategic supply planning, negotiations, supply risk mitigation, budgeting and reporting, operational continuous improvement, and executive communications. She began her career researching patents and competitive technologies, authoring technical publications for annual brochures.

Brooke attended Oxford University, England, and Vanderbilt University, where she obtained a BE in Chemical Engineering and ME in Management of Technology.

In addition to her involvement at UGL, Brooke serves alongside her husband as a preschool Sunday school teacher at their church.  She enjoys various outdoor activities including hiking and long walks at dusk, painting, piano playing, photography, wine tasting, and traveling to new and distant places.... and of course anything involving her two young children... seeing the world again for the first time through the young eyes is inspirational! Brooke believes that trust is the foundation to all relationships. In any relationship, the essence of trust is not in its bind, but in it bond. 

Diana Andrew

vice Chair

Diana is a Nashville native who received her Bachelors in Environmental Sciences from University of Tennessee at Chattanooga. She holds a Masters in Sustainable Practice with a focus in Food Systems from Lipscomb University. Her capstone project was developing the sustainable strategic plan for the university.

As an Analyst for clinical research at Vanderbilt University Medical Center she has experience in grants, monitoring and evaluation, and the connection between the environment and health. Volunteering with Shelby Bottoms Nature Center and the Nashville Food Policy Council heightened her passion for environmental education and sustainable living, which brought her to Urban Green Lab.

She enjoys hiking, traveling, cooking and any outdoor activity in the beautiful city of Nashville.

Mason Worthington


Mason spent his early life on a cattle farm in Western Kentucky. While actively participating in operations, he learned the value of hard work and experienced the benefits of managing a successful family farm to ensure both environmental and financial sustainability. Mason works in advisory services for Pathway Lending, a community development financial institution which provides underserved small businesses with lending solutions and educational services that results in job creation and economic development. Through the Tennessee Energy Efficiency Loan Program, Pathway provides an affordable source of capital to implement energy-saving projects, and improve cash flow. Mason provides technical assistance to business owners to help them understand and improve financial reporting to manage growth in their business. 

Prior to joining Pathway Lending, Mason was Assistant Corporate Controller with Gibson Brands, Inc. where he was involved with financial system integrations and business acquisitions. He also spent seven years in public accounting providing audit and advisory services to companies throughout the country.

Mason graduation from the University of Kentucky with degrees in Management and Accounting and is a licensed CPA. In addition to his work with Urban Green Lab, he is actively involved with promoting a vibrant transportation system through Transit Now Nashville and improving economic empowerment through work in his local church.


Laurel Creech is a an enthusiastic, self-motivated and entrepreneurial leader locally, regionally and nationally. As one of the first ten Chief Services, she has lead the development of Cities of Service, a national movement to connect citizens to the greatest needs of cities in the United States. In addition to advising other Chief Service Officers across the country, Laurel served as the US delegate for the launch of Cities of Service UK and is also mentoring the first Chief Service Officer in Kirklees, UK.

In the Mayor's Office, Laurel also lead sustainability and healthy living projects, events and initiatives including the implementation of the Green Ribbon Committee Report, Open Space Plan, and Stormbusters city-resiliency blueprint. She also co-lead several of Mayor Dean's health events including Walk 100 Miles, Mayor's Challenge 5K, Mayor's Field Day and Open Streets Nashville. Laurel helped develop and implement the Mayor's Workplace and Neighborhood Challenge, which was the first three-tiered challenges of their kind in the country now being replicated in ten cities across the US.

Prior to joining the Mayor's Office, Laurel was the founder and director of Team Green Adventures with the goal to connect Middle Tennessee community to the outdoors through active and engaging events for all ability levels. She was also on-air talent on both WRLT Lightning 100 and WYYB The Phoenix and helped with sales, marketing, promotions, copy-writing and a variety of other innovative projects. In 2009 after an interview with Mayor Dean, she co-founded Live On the Green with her fellow co-workers at Tuned In Broadcasting. 

Because of Laurel's dedicated and passionate work as a community leader, she has been appointed to several boards and received recognition for her continued dedication to helping Nashville be a better place for all its citizens.

lindsey ganson

As Chief Operating Office of Transportation Alternatives (T.A.) Lindsey managed IT, operations, and human resources for 40+ staff of this New York bicycling, walking, and public transit advocacy organization. Prior to being COO, Lindsey spent two years at T.A. leading people-powered campaigns to transform streets and change transportation policy. In 2013, Lindsey's 3-year campaign results in the passage of speed camera authorizing legislation in New York. In 2011 Lindsey co-authored Vision Zero: How Safer Streets in New York City Can Save More Than 100 Lives a Year and launched, an interactive map of traffic injuries and deaths. Before joining T.A., Lindsey worked at the American Institute for Research, the Center for an Urban Future, NYC & Company, and served as Chief of Staff of the New York Department of Environmental Protection and Treasurer of the New York City Water Board. A Brooklyn native, Lindsey moved to Nashville in September 2014 and hopes to have a positive impact in her new home.


LESLEY Lammers


Lesley is a freelance sustainability consultant and writer, covering environmental trends for Triple Pundit, Sustainable Brands and Earth911, while helping organizations and businesses develop compelling sustainability communications strategies and content.

Lesley first became hooked on finding solutions to environmental and social issues while working at the Environmental Defense Fund, where she helped advance environmental policy and strategic partnerships to address climate change, overfishing and other pressing issues.

Since then, she has worked with well-respected non-profit and business clients during her time on the Corporate Social Responsibility Strategy and Sustainable Business Practices team at Cone Communications and as a consultant, helping them to advance their sustainability communications programs. Her work with local sustainability consulting group, Gowdy Consulting, led her to the Urban Green Lab. 

Lesley moved to Nashville in 2014, where she seeks to contribute to building a more sustainable Nashville. 

Ken Srebnik

Ken Srebnik is Senior Manager of Corporate Planning for Nissan North America, Inc. In this role he oversees the automaker’s Regulatory Compliance and Environmental Planning Office for the Americas region, which includes responsibility for the implementation of the global Nissan Green Program in the Americas region. Additional projects include Vehicle to Grid demonstrations with the Nissan LEAF as well as management of an EV Taxi pilot program in New York City.

Srebnik joined Nissan in Los Angeles in 1996 and has worked various roles within Finance, Global eBusiness and Organization Support.

Prior to joining Nissan, Srebnik was engaged in several entrepreneurial efforts in the restaurant industry and worked for global commercial banks involved in credit and lending.

Srebnik holds a bachelor’s degree in business from Washington University in St. Louis as well as a master’s degree in business administration from the J.L. Kellogg School of Management at Northwestern University.

Emma supica

Emma Supica is an arts educator and consultant based in Nashville, TN. Her work centers on music and theatre education. 

Most recently, Ms. Supica served as program manager for the nonprofit W.O. Smith Music School, where she evaluated, created, and implemented music education programming for low-income students in the greater Nashville area. Before coming to Nashville, Ms. Supica taught general music, band, choir, and coached softball in public schools in Kansas and Oklahoma. Her educational interests focus on community and character building through the arts, and she enjoys teaching students of any age and skill level.

Ms. Supica received her undergraduate degree in music education from the University of Kansas with both instrumental and vocal K-12 certification. She is currently pursuing her Masters of Education in Nonprofit Leadership at Belmont University, researching the use of improv theatre as a program tool. Emma joined the board trough YLC, and brings her experience in education, nonprofit volunteer engagement, and personal dedication to sustainable living to the Urban Green Lab community. She is an avid cook, pretty good gardener, and a slow, but enthusiastic, aspiring bike commuter.

Dr. Chris Vanags

Christopher Vanags serves as the Associate Director of the Vanderbilt Center for Science Outreach where he works to bridge the gap between scientific research and K-12 education. Dr. Vanags draws from his experience as a scientist to build partnerships between researchers and educators to foster research-based experiences in STEM. Over the last ten years, Dr. Vanags has worked with hundreds of scientists across the Vanderbilt campus to broaden the impacts of their research by providing educational experiences for thousands of K-12 students throughout the region. As one of the four founding faculty of the School for Science and Math at Vanderbilt, Dr. Vanags has received numerous accolades for his teaching and scholarship including the Excellence in Earth Science Teaching from the Geological Society of America, the Outstanding Earth Science Teacher for Tennessee, and he was a finalist for Australia’s Young Water Scientist of the Year. His research-based programs have been incorporated or adapted in educational institutions throughout the district and across the country. These programs also provide the framework for a comprehensive STEM reform effort in the United Arab Emirates where Dr. Vanags manages a project to improve the workforce capacity by focusing on STEM education in secondary schools. As a researcher, Dr. Vanags has attracted over $15 million in funding and has published his work on a wide range of educational and environmental topics. He is also the co-founder and associate editor of the journal Young Scientist, which publishes innovative research performed by high school students working in university labs. Apart from serving on the Board of Urban Green Lab, Dr. Vanags has served on various advisory panels for the Metro Nashville Government and currently serves on the Tennessee Environmental Literacy Council and Governor Bill Haslam’s STEM Industry Advisory Council. Dr. Vanags earned a BS in Geology and a MS in Soil Science from the University of Georgia and a PhD in Hydrology and Catchment Management from the University of Sydney. 

CLAIRE Wescott

Claire is the Young Leaders Council Intern for the board. She serves as the Teacher Lead for Metro Nashville Public School’s gifted & talented program, having previously taught in several public school districts & at Stanford University in California. Although she misses spending her days with young students, she enjoys training classroom teachers & parents on how to best support their gifted children academically & socially. She assists in leading a team of over 30 MNPS Pre-K through 8th grade advanced academic teachers through curriculum & professional development.

Claire earned her M.Ed. in Elementary Education from Vanderbilt University’s Peabody College. She also serves on the SXSWedu Advisory Board.

Growing up in a rural area, she loves to combine her passions for the environment & teaching. In 2010, she developed an after-school youth environmental education curriculum for the Columbia Heights Community Marketplace in Washington, DC. She previously developed & taught similar environmental sustainability classes in Connecticut, Rhode Island, Georgia, & Tennessee.

Originally from Southern California & Connecticut, Nashville is the perfect spot in between! In her spare time, she enjoys traveling, hiking, & baking.

Dr. De'etra young


De’Etra is an assistant professor and extension specialist in the Agricultural and Environmental Sciences Department at Tennessee State University where she has been teaching since the Spring 2013 semester. De’Etra attended Southern University and A&M College where she majored in urban forestry, earning her B.S. degree in 2004. De’Etra was then accepted into the M.S/Ph.D. programs in forestry at Texas A&M University in College Station, TX. While at Texas A&M, she completed her Ph.D. in forestry with a concentration in spatial and hydrological sciences. De’Etra discovered her passion for teaching spatial and environmental sciences during her time at Texas A&M as a teaching assistant and participant in the Graduate Teaching Academy. She currently serves as the advisor for the Minorities in Agriculture, Natural Resources, and Related Sciences (MANRRS), Tennessee State University Chapter. She is also a member of the Metro Tree Advisory Committee and Nashville Alumnae Chapter of Delta Sigma Theta Sorority, Incorporated. Lastly, she serves as Vice President of the Tennessee Urban Forestry Council.