Staff & Directors

Susan Roothaan

Ms. Roothaan has 25 years of experience in the environmental field ranging from teaching individuals how to reduce their environmental impact to conducting environmental audits for industry.  She has taught thousands of individuals and organizations throughout the United States and Mexico on varied topics from personal footprint reduction to industrial pollution prevention and Environmental Management Systems (EMS). She is published widely on many topics including organizational culture change, environmental cost accounting, and pollution prevention technologies. Ms. Roothaan is a certified ISO14001 Lead Auditor, holds a Master’s Degree in Chemical Engineering and a Bachelor’s Degree in Chemistry. In addition, she is the recipient of numerous awards, including the White House Closing the Circle Award for Greening the Government.

Elizabeth Frisch

Development Director /Senior Trainer

As the Development Director for A Nurtured World, Elizabeth Frisch develops new initiatives to help individuals and organizations reduce their environmental impacts.  She has 20 years of experience in project management, auditing, training, and developing environmental programs that deliver results.   An entertaining speaker who openly shares the struggles of living ‘la vida verde’, Elizabeth has delivered workshops to audiences across the United States to over fifty different industries, local, state, and federal government, schools throughout the U.S., non-profits, military services, and individual citizens. She is a chemical engineer and is known for her work in organizational culture change to drive performance in businesses, communities, and organizations. 

Resume

Contact Ms. Frisch:

email: Elizabeth Frisch
Phone 512.656.7518

Justin R. Murrill

Project Manager /Senior Trainer

As a Project Manager and Senior Trainer, Justin Murrill directs projects and provides training on topics ranging from consumer conservation to building world class commute solutions programs. He has three years of experience directly managing an award winning commuter benefit program for a Fortune 500 company with locations in both the U.S. and Canada. He has provided training to hundreds of businesses, organizations, school districts, and individuals and consistently receives rave reviews. Justin also works with organizations in the public, private, and non-profit sectors to increase operational efficiency and reduce environmental impacts. He holds a Master’s Degree in Organizational Leadership and Ethics at St. Edwards University.

Resume

Contact Mr. Murrill:

email: Justin Murrill
Phone 512.784.5590

Martina Gehrke

Research Analyst

Ms. Gehrke is an experienced senior lecturer in Environmental Management Strategies. She has published widely in the areas of Environmental and Social Responsibilities of Companies and Education and Technology and has many years of experience in the field of curriculum development ranging from second grade to higher education. She was the director of the Bachelor of Applied Science degree program at the Open Polytechnic of New Zealand and was instrumental in the development of international educational and academic alliances. Her previous work with industry includes environmental consulting and auditing. Mrs. Gehrke brings experience from Germany, New Zealand and South America and holds a Master’s Degree in Economics, as well as university level teaching qualifications and a registration with the Quality Society of Australasia.

Resume

Contact Ms Gehrke:

email: Martina Gehrke
Phone 512.466.3601

Charlie Davis

President, Board of Directors

Charlie Davis holds both Bachelor's and Master's Degrees in Environmental Science. He has accumulated twenty-nine years of work experience in the environmental management field. During the past seventeen years, he has focused on pollution prevention and resource efficiency projects. He helps companies to mainstream environmental considerations into core areas of business practices in order to improve the company's bottom line through means that also enhance environmental quality protection. In the past three years, Mr. Davis has transitioned into environmental management systems, either through auditing for conformance to ISO 14001 or through establishment of new systems. Mr. Davis is also a board member of "CEDEIP" - Computers and Electronics Disposition Eco-Industrial Park.

Contact Mr. Davis:

email: Charlie Davis

David Pimentel

Vice President, Board of Directors

Mr. Pimentel is an environmental professional with over 25 years experience, including almost 8 years as Director of the Environmental Office, Travis County, Texas and 10 years in the Borderland Information Center/ Special Projects at the Texas Natural Resources Information System (TNRIS). He is a graduate of the University of Texas at Austin, with a master’s degree (honors) in geography/environmental studies. He is specialized in watershed management and sustainable development in the public sector, city, county and state.  He has been involved in over 40 environmental projects and programs. At Travis county, he designed and implemented the first environmental GIS for the county. He is currently at TNRIS, assisting the Governor's Division of Emergency Management on flood and hurricane planning.

Contact Mr. Pimentel:

email: David Pimentel

Dieudonne Dang

Treasurer, Board of Directors

Dieudonne has over 22 years of professional experience in business world, government and non-profits organizations. After a bachelor's degree in Accounting and Financial Management, he started his professional career as a partner in a real estate concern in London England, which led him to to the field of Venture Capital Funding, specifically in the the area commercial real estate in England and South East United States. He has spent the last 10 years working for the regulatory departments of two Texas State Government Agencies. In the Department of Family and Protective Services he lead the creation of a guardianship financial system to secure and help manage assets owned by adults who were/are made wards of the State as a result of financial exploitation. He is currently working for the Department of Aging and Disability Services as a program analyst.

Contact Mr. Dang:

email: Dieudonne Dang

Grace Hsieh

Grace holds a B.S. in Nutrition and Business Foundations, University of Texas, Austin. She has worked for the Pollution Prevention and Industrial Assistance Team at Texas Commission on Environmental Quality.  There she provided pollution prevention and EMS (Environmental Management System) assistance to manufacturing and industrial facilities throughout Texas. She also has experience in onsite construction and pre-construction, primarily in the field of advanced technology. Currently Grace serves on the board of the Austin Resource Management Commission, the Habitat Young Professionals and the Green Building Council (USGBC) Balcones Chapter.

Contact Ms. Hsieh:

email: Grace Hsieh