Mercury Free Mining Challenge
Transforming artisanal & small scale gold mining for the health of the world.


Leading the Way


"...I realized that I was a willing participant in the metals mining industry which generates more toxic waste pollution than any other in the world. I had to admit that I had been part of a major problem!"





Toby Pomeroy is the founder of TOBY POMEROY Co., located in Corvallis, Oregon, an accomplished designer and passionate advocate for a responsible jewelry industry. He studied Jewelry & Metalsmithing at the University of Oregon and received his Graduate Gemologist and Certified Gemologist certifications from GIA. Toby pioneered EcoGold— socially and environmentally responsible gold from Hoover and Strong Refiners. Toby is the only US member serving on the Board of Directors of the Alliance for Responsible Mining (ARM). He has been featured in 13 consumer magazines—including TIME Magazine, Elle, Oprah, Shape and Vanity Fair—and was recognized by JCK Luxury as Designer of the Year, 2008. With DeBeers, Cartier, Rio Tinto, Tiffany & Co., TOBY POMEROY co-sponsored the Madison Dialogue Ethical Jewelry Summit in Washington D.C. 

Lester Oehler

Since 2012, Les is CEO of TOBY POMEROY, the industry leader in socially and environmentally responsible fine jewelry.  He has an Master of International Management (MIM) degree with a focus on supply chain, marketing, and sustainability from Portland State University.  As a farmer by birth, Les is passionate about land, water, and soil conservation, as well as sustainable economics, particularly in Oregon and Asia.  Les is excited about eliminating toxic mercury from the jewelry supply chain, and reducing mercury in the global food chain.   


Christina Malle is a classically trained goldsmith, who uses the finest materials to hand-fabricate timeless and elegant jewelry.  A former human rights attorney, Christina is committed to responsible sourcing and is working with industry visionaries to remove mercury from the gold supply chain.  Christina is graduate of Dartmouth College, New York University School of Law, and is a Graduate Gemologist of the Gemological Institute of America.  She is a proud member of Ethical Metalsmiths. 

Brandon Nichols

Brandon is the Lead Technical Consultant at Brandon Nichols Consulting in Vancouver, Canada. He specializes in navigating multidisciplinary environments where science, engineering, business and community engagement come together creating unique business opportunities in the resource extraction industry. He is a respected community and social services professional with a Masters of Applied Science focused in Mining and Mineral Engineering from The University of British Columbia. Brandon brings passion and a wealth of experience in empowering artisanal and small-scale gold mining communities throughout the developing world. He is motivated by the possibility of a diverse and flourishing world.


With a decade of sustainable development experience addressing market access and credit access in Africa, Megan acted as the Director of Global Enterprise for Deaf Opportunity Out Reach (D.O.O.R.) International where she grew business missions to provide barrier-breaking employment opportunities for deaf women throughout Kenya. Taking one such business model to market, she became the CEO of Sasa Designs by the Deaf, where she led the many regulatory, legal and financial parameters to organize a dynamic social enterprise and jewelry line with international success. In 2015, Megan negotiated the asset sale and brand transfer of Sasa Deigns to Greater Good Wholesale, a division of Megan MacDonald’s Entrepreneurial Studies from Stanford University’s Graduate School of Business, as well her Masters in International Development Economics from University of Nairobi, guide a unique approach to sourcing, design and business practice within the jewelry industry.


Eric Robertson is the Creative Director for Green Lake Jewelry Works, an industry award-winning company based out of Seattle specializing in custom made wedding rings.  In addition to managing advertising, merchandising and client experience for Green Lake, he also leads much of the company’s social responsibility effort, including emerging blockchain technologies in the diamond trade, a new Nigerian Sapphire Initiative for sustainable development, and integrating the FAIRMINED standard. A contributor to trade publications such as INSTORE Magazine and MJSA Journal, Eric has written on sustainability and future trends in jewelry retail. He brings to the industry a diverse background in hospitality management — consulting for international hotel groups and global brands such as Pepsi Corporation — as well as experience in navigating policy and logistics, where he worked with US and China agencies as a key project manager at the Shanghai 2010 World Expo.

Stephanie Trager

Stephanie Trager is a sustainability expert and UNSDG advocate, the author of the forthcoming book WAKE UP: Conscious Leadership for a Sustainable World, a keynote speaker, and the creator of The Sustainability Mindset Shift™ and The Catalyst Map™. She received her Juris Doctorate (Cum Laude) from New York Law School where she was associate editor on Law Review and the Journal of International & Comparative Law and recipient of the NYLS Public Interest Fellowship. Stephanie is also the founder of Trager Law PLLC, a conscious boutique legal advisory, contracts drafting & strategic business consulting firm helping small businesses and thought leaders ripple their impact and scale their business for growth.



Yves is a geologist and consultant specialized in the small-scale and artisanal mining sector and its relationships with the industrial sector. He has been working in the mining sector for more than 20 years. He has worked over 15 years with training, technical assistance, health, safety and environmental issues in artisanal and small-scale Mining in many countries in both Francophone and Anglophone Africa, but he also has experience in Asia. His expertise has widened into various areas over the years, performing exploration programs for the industry, implementing environmental impact assessments, and advising on mining public policy. In the recent years, his interest has been focused on responsible mining practices and improvement of access to markets, through sustainable certification processes and the application of OECD due diligence concepts in the Great Lakes Region. Highly involved on the ground in building participative and informed programs with ASM communities for a change in practices and the improvement of their livelihood, as well as advising on mining policies that foster formalization of this sector, he has been managing technical assistance and capacity building programs in Africa. He assumed the position of Executive Director of the Alliance for Responsible Mining (ARM) in December 2016.

Christina T Miller

Christina T Miller is an independent consultant working to inspire and mentor bold social and environmental leadership in jewelry and the arts. Clients include: Initiative for Responsible Mining Assurance, Bario-Neal, WWAKE, Richline Group and others. She also shares her skills with groups such as the Jewelry Industry Summit, Ethical Metalsmiths and Maketank. Miller is co-founder and Advisory Council, Chair of Ethical Metalsmiths (EM), a non-profit advocacy organization founded in 2004 that strives to increase responsibility in the jewelry industry. While Executive Director of EM successfully introduced FAIRMINED gold to the US in collaboration with 23 independent jewelers and Hoover&Strong. Prior to assuming the directorship of EM, Miller was an assistant professor of jewelry and metalsmithing at Millersville University in Pennsylvania, from which she had received her BFA prior to receiving an MFA from East Carolina University.  Christina is passionate about transforming the legacy of jewelry to truly benefit communities at the source of materials like gold, diamonds and gemstones.


Dr. Prasad has over 30 yrs. of experience developing and commercializing new technologies in membranes, electronic packaging, advanced polymers and separation and purifications. He began his career as a process engineer in the petrochemicals industry at Shell, and he subsequently worked in engineering and management at Hoechst-Celanese Corporation. Dr. Prasad later joined HP’s Imaging and Printing Group, where he was CTO of the New Business Group. In addition to his large company experience, he has a strong entrepreneurial bent. He has over 25 issued US patents and numerous patents pending, has coauthored over 20 technical papers and a chapter in the Membrane Handbook. He holds a B. Tech. with distinction in Chemical Engineering from Univ. of Madras, India, and the M.S. and Ph. D. in Chemical Engineering from Stevens Institute of Technology, New Jersey.

Patricia SYvrud

Patricia Syvrud is the co-chair and jewelry industry lead for the Jewelry Development Impact index project. She is the immediate past executive director of the World Diamond Council, the organization charged with representing the diamond pipeline at the UN-mandated Kimberley Process forum.  A GIA graduate gemologist with an MBA from the University of Southern California, prior to joining the WDC she held many positions in the industry including cataloguing the entire National Gem Collection at the Smithsonian Institution in Washington, DC; developing a world-class museum collection for the Gemological Institute of America; building market exposure for Jewelers Mutual Insurance Company and launching the Friends of DDI program at the Diamond Development Initiative.An experienced public speaker and expert witness, Patricia's knowledge has also been tapped into by jewelry aficionado former Secretary of State Madeleine Albright for assistance with Albright's pin exhibition and book, “Read My Pins”. Patricia is a member of the Women’s Jewelry Association, GIA Alumni Association and Jewelers Vigilance Committee.


Jim Tuttle is the founder & President of Green Lake Jewelry Works. In his 30 years as a bench jeweler, designer and CAD modeler he’s made thousands of custom pieces with and for his clients at Green Lake. In addition to his bench and CAD training, Jim has several GIA jewelry and gemology certificates and is on the MJSA Custom Jewelry Advisory Council. Jim is often referred to as a leader in the custom jewelry industry and speaks at many industry events, including MJSA Expo, JCK Vegas, Seattle Metals Guild, the INSTORE jewelry show, Portland jewelry symposium and Gemvision conclaves on topics ranging from online custom design and customer experience-based retailing to CAD/CAM and the resurgence of traditional fine jewelry making skills. Green Lake is maintains the largest custom jewelry shops open to the public, with over 65 jewelry artists in two Seattle-area locations. A member of AGTA and MJSA, Green Lake was named ‘America’s Coolest Store’ by INSTORE Magazine in 2012 and recognized once again in 2017.