A citizen of the Haida Nation and also its General Counsel, Terri-Lynn Williams-Davidson has practiced in the area of aboriginal-environmental law since she was called to the BC Bar in 1996. She has represented the Haida Nation at all levels of court, including the Supreme Court of Canada in litigation to protect the old-growth forests of Haida Gwaii in the Haida TFL39 Case (Council of the Haida Nation and Guujaaw, et. al. v. Ministry of Forests, et. al.).

She holds two degrees from the University of British Columbia: Bachelor of Laws, 1995; and Bachelor of Science (Computer Science), 1990.

Terri-Lynn has published widely and lectures internationally in aboriginal law, particularly as it relates to cultural heritage and environmental protection. She has served as Founding Executive Director of the charity EAGLE (Environmental-Aboriginal Guardianship through Law and Education), as an Advisory Council member for the Vancouver Foundation's Environment Program, as a juror for the Ecotrust (US) Buffet Award for Indigenous Leadership and on the board of Ecotrust Canada. Terri-Lynn is currently a board member of Earthlife Canada Foundation and Haida Gwaii Singers Society.

Terri-Lynn is equally accomplished in pursuit of her lifelong devotion to perpetuating Haida culture starting with co-founding a children's dance group in 1978, illustrating a children's book and creating appliquéd and woven ceremonial-regalia. An accomplished singer and dancer, she has participated in events throughout Haida Gwaii and British Columbia, and in the U.S.A., Italy, the Netherlands and Indonesia. Terri-Lynn has recorded for film and television. Since 1996, Terri-Lynn has been an active member of the Rainbow Creek Dancers, which travels and performs locally and internationally. In 2008, Terri-Lynn received the "Keepers of Traditions" Award from the Canadian Aboriginal Music Awards for her lifetime contributions to Haida musical traditions. In 2009, she received a Canadian Aboriginal Music Award in the "Best Female Traditional/Cultural Roots Album" category for her CD "Lalaxaaygans: Beautiful Sound".

Terri-Lynn is a partner of Raven Calling Productions and in June 2011 released a new CD "New Journeys" which was nominated for two Aboriginal Peoples Choice Awards, three Canadian Aboriginal Music Awards, and two Canadian Folk Music Awards. In November 2011 she was awarded Best Female Artist at the Canadian Aboriginal Music Awards in Toronto.

Terri-Lynn is currently a board member of Earthlife Canada Foundation and The Haida Gwaii Singers Society. In October 2011 in recognition of her support for and contribution to Environmental Law Terri-Lynn was asked to become an Honourary Director of the Board of Directors of Ecojustice.

"Ecojustice is a national charitable organization dedicated to defending Canadians' right to a healthy environment. They provide legal services free-of-charge to charities and citizens on the front lines of the environmental movement helping ensure equitable access to environmental justice nationwide."