Metalmark was founded to make a positive impact for human and environmental well being.

We’re committed to helping shape a future with cleaner air for all.

Our award-winning air cleaner was named after the Tatama National Park in Colombia.

The Tatama National Park in Colombia spans over 125,000 acres and serves as a sanctuary for indigenous flora and fauna, including rare songbirds, orchids, and butterflies (including the Bellona Metalmark), many of which are increasingly vulnerable due to habitat loss and climate change.

We look to nature for sustainability solutions and feel a deep sense of responsibility to do our part to protect the planet.

OUR TEAM

Metalmark is a women-led, small business that spun out of Harvard University in 2018.

Our work emphasizes the climate-health nexus as we prioritize the well-being of both people and the planet. 

We are a diverse team of researchers and scientists with a combined over 50 years of expertise.

Sissi Liu

CEO, Co-founder

Sissi Liu is passionate about solving complex societal problems with cutting-edge technology. She has 20 years of experience in climate tech and sustainability, entrepreneurship, and venture investing. Sissi co-founded and is CEO of Metalmark Innovations to tackle the global air pollution crisis and related challenges of climate change. 

Tanya Shirman, Ph.D.

VP of Materials, Co-founder

Dr. Tanya Shirman is a chemist and material scientist with over a decade of experience leading multidisciplinary R&D teams. Her expertise extends to nano-structured materials design and synthesis for catalytic and air-purification applications, translating transformative technologies from lab to market. 

Join the Metalmark Team

We are always looking for talented people to join our incredible team of scientists and engineers.

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