About Green Seal

The Green Seal Team

Green Seal’s staff work cohesively reviewing scientific research for standard development, implementing certification, fostering partnerships, and providing technical assistance to businesses and institutions. Excellent, one-on-one service and a genuine desire to help are ingrained in our culture, along with an unwavering committment to integrity and transparency. For nearly three decades, we have worked with companies to transform the economy for a healthier, greener world, and we are proud to be seen as the gold standard for ecolabels in North America.   Information on the presidential transition and search here.



 

Mary B. Swanson   Interim President
                                     Vice President of Certification

 

Mary directs Green Seal's certification program and serves as the technical lead for product certifications. She has 30 years of experience in environmental research and consulting, with a focus on evaluating the fate and effects of chemicals released to the environment, developing tools for evaluating cleaner products and cleaner technologies, and hazardous waste site remediation. Prior to joining Green Seal in 2006, Mary worked as a research scientist with the University of Tennessee’s Center for Clean Products and Clean Technologies. She has a Master of Science degree in environmental engineering from the University of Minnesota and a Bachelor of Science degree in natural resources/water chemistry from the University of Wisconsin-Stevens Point. In her spare time, she enjoys gardening, artwork, and long walks in the woods. Email: mswanson [at] greenseal.org



Mehreteab Masho  
Chief Financial Officer

Masho joined Green Seal in 1994. He is in charge of all financial and administrative aspects of the organization’s operations. He has over 30 years of experience in diversified accounting, budgeting, and financial forecasting. Prior to joining Green Seal, Masho held various accounting positions, including controller with Inter Systems Inc., a high-tech government contracting firm. Masho received his M.B.A. from the University of the District of Columbia. Email: mmasho [at] greenseal.org



Mark T. Petruzzi   Senior Vice President of Outreach & Strategic Relations

Mark leads Green Seal’s engagement with purchasers, industry groups, trade associations and other external organizations that share Green Seal’s goal of creating a more sustainable marketplace. Over the last 18 years, in his various roles in the Standards and Certification departments, Mark  has conducted research on the life cycle impacts of products and services, developed criteria to address key impacts, and evaluated products and services for compliance with Green Seal’s standards in a wide range of product and service categories. Previously Mark was Vice President of  Green Seal’s Certification Program. He holds a B.S. in mechanical engineering and a M.S. in civil and environmental engineering from The George Washington University.
Email: mpetruzzi [at] greenseal.org



Daniel Pedersen, Ph.D.  Vice President of Science and Standards

 

Daniel provides scientific and technological expertise and leads the creation and revision of Green Seal’s standards. He has over 20 years of experience in environmental science, research, fieldwork, chemical analysis, certification, laboratory accreditation and education. Prior to joining Green Seal in 2012, he worked as Director of Environment and Sustainability at a private Certification Body, with clients in the industrial, private, public and academic sectors. Previously he taught Atmospheric Chemistry at the college level, lectured widely on environmental issues, and directed air quality research at Hebrew University, Jerusalem. He is a certified lead auditor for ISO 9001, 14001 & 17025, studied in M.I.T’s Technology & Policy Program, and holds a Ph.D. in Environmental Engineering from M.I.T and a Bachelor of Science in Engineering from Swarthmore College. His personal interests include family, cycling, gourmet cooking, singing, and stage performance. Email: dpedersen [at] greenseal.org


 

Mark Stanland   Vice President of Client Services


Mark has over 25 years of experience in marketing and product development, and leads Green Seal’s new Client Services Program.  The Client Services Program is designed to provide tailored marketing support and strategic direction for manufacturers and service providers with, or working toward, Green Seal certifications.  Prior to joining Green Seal in January 2015, Mark led the development of Wausau Paper’s Green Seal program and green platform. He holds an M.B.A from Syracuse University and a bachelor’s degree from the University of North Carolina at Chapel Hill.
Email: mstanland [at] greenseal.org



Cerise Bridges  
Certification Specialist II

Cerise joined Green Seal in 2009 as an intern with an interest in combining her education and work experiences in hospitality management and environmental policy. She became a staff member in 2010. She provides assistance and expertise to clients pursuing certification of Green Seal’s service-related standards. Originally from the Chicago area, Cerise has spent her adult life in Washington, D.C., where she earned a B.B.A. from Howard University and an M.A. in environmental policy from American University.

Email: cbridges [at] greenseal.org



Holly Cypress
   Administrative Assistant to the CFO


Joining Green Seal in 2015, Holly has a B.S. in Business with a marketing major from the University of Maryland.  She has over 15 years of business and marketing experience in a variety of positions from account executive to corporate advertising manager. As a member of the Green Seal team, Holly looks forward to supporting our mission to help create a more sustainable environment. Email: hcypress [at] greenseal.org



Kat Danaher
  Senior Executive Assistant
                           Marketing & Communications Coordinator


Kat, a Virginia native, graduated from the University of North Carolina at Chapel Hill with a B.A. in communication studies and proficiency in French and Italian. Her professional experience includes over fourteen years of CEO-level executive support, as well as extensive event planning and logistics. She fosters dogs for DC-based City Dogs Rescue, and has enjoys volunteering, travel, being outside, and eating delicious things with friends & family. Kat joined Green Seal in 2011.  Email: kdanaher [at] greenseal.org



Sean Foltz   Environmental Scientist

Sean joined Green Seal in 2017 as part of the Certification team. Previously he worked for American Rivers where he had been the lead project manager on multiple green infrastructure projects throughout Wisconsin’s watersheds. He was also an environmental consultant where he led surveys and testing for clients as diverse as Coca-Cola Global and Unilever, to stay in compliance with the environmental regulations that impact their operations. He also lived in the Kingdom of Tonga as a U.S. Peace Corps Volunteer. Sean spends his free time exploring Wisconsin’s natural areas with his wife and three children, and competing in 5ks.
  Email: sfoltz [at] greenseal.org



Nina Hwang
   Environmental Scientist 

Nina joined Green Seal in 2016 as an environmental scientist to work on product certification. Originally from California, she slowly moved east to earn a Bachelor of Science in Chemistry and Environmental Engineering from Rice University, followed by a Master of Public Health in Global Environmental Health from the George Washington University. Nina previously worked to protect the environment and public health at NRDC and the EPA. She spends her free time backpacking, baking, and exploring the nation’s capital. Email: nhwang [at] greenseal.org



Nathan Kloczko
   Environmental Scientist 

Nathan joined Green Seal in 2016 as part of the Certification team. Previously, he worked with the Southwest Pennsylvania Environmental Health Project to study how unconventional natural gas development impacts the health of communities and the environment. He graduated from Middlebury College with degrees in molecular biology and music, and earned a Master of Public Health from Yale University, concentrating in Environmental Health Sciences. Outside of Green Seal, Nathan enjoys singing in choirs, playing ultimate frisbee, and baking. Email: nkloczko [at] greenseal.org



Stacey Koch
  Principal Environmental Engineer

Stacey has been working with Green Seal since 2007, and her duties have included managing certification projects and developing standards. Prior to joining Green Seal, she was a lead environmental engineer with RMT, Inc. for 12 years, where she specialized in environmental design and management of projects, including industrial wastewater treatment, soil and groundwater remediation, surface water contaminant fate and transport, and sediment remediation. She holds a Master of Science in civil and environmental engineering from the University of Washington and a Bachelor of Science in civil and environmental engineering from the University of Wisconsin-Madison. She also maintains her Professional Engineer license in the State of Wisconsin. Her personal interests include reading, hiking, golfing, canoeing, and gardening. Email: skoch [at] greenseal.org




Terry Ross  
Special Projects/Quality Coordinator


Terry joined Green Seal in 2016 and is part of the Certification team. She has been involved in climate change and sustainability education for many years and most recently worked on the University of Wisconsin-Madison’s Massive Open Online Courses and Science Narratives projects. She created the Sustainable Business Certificate program at Madison College and is a former librarian. Terry also directs the Wisconsin state BiketotheLibrary.org program which combines two crowning human achievements: bikes and books! Email: tross [at] greenseal.org



Anne Shudy Palmer  
Environmental Scientist II


Anne manages certification projects, as well as works with retail companies and hospitality businesses to help them become more sustainable. She joined Green Seal in 2009 and previously coordinated the Sustainability Leadership Graduate Program at Edgewood College, wrote sustainability case studies and reports for several Wisconsin organizations, and worked with Madison's utility company to create a locally focused carbon footprinting website. Anne has an M.S. in sustainability and a B.S. in math and film, both from the University of Wisconsin-Madison, and is a LEED Accredited Professional. She enjoys reading, writing, playing soccer, and generally getting outside. Email: aspalmer [at] greenseal.org



Callie Taylor   Certification Leader


Callie joined the Green Seal team in 2013.  Callie coordinates the certification evaluation and monitoring process and works with clients to ensure continued compliance with the Green Seal standards. Prior to working with Green Seal, Callie was the Program Coordinator with ToxServices, where her primary responsibility was to manage client evaluations for DfE (now Safer Choice) recognition and CleanGredients. She graduated with a B.S. in Marine Biology and Environmental Science from the University of North Carolina Wilmington. She enjoys reading, being outside, southern food, long walks on the beach, and hanging out with her family.  Email: ctaylor [at] greenseal.org



Brielle H. Welzer   Environmental Scientist


Brie joined Green Seal in 2012. She supports the development of new standards, manages the revisions of issued standards, conducts sustainability analyses, and leads science communications initiatives. Prior to joining Green Seal, Brie provided mission and research support to the U.S. Environmental Protection Agency (EPA), and managed innovative programs in partnership with the American Association for the Advancement of Science (AAAS). She graduated with a B.S. in Environmental Science and Geochemistry from the University of Rochester, and has an M.B.A. in Sustainable Business. Email: bwelzer [at] greenseal.org


Some photography contributed by Laura Burt, www.burtla.smugmug.com