Geoff Plant was the Attorney General of British Columbia and Minister responsible for Treaty Negotiations from 2001 to 2005. He was first elected to the British Columbia Legislature in 1996 and from 1996 to 2001 was Opposition Justice Critic, as well as serving on a number of legislative and caucus committees. As Attorney General, Mr. Plant was the Chair of the Legislative Review Committee and the minister responsible for the creation and oversight of the Citizens' Assembly on Electoral Reform.

Prior to his election to the Legislature, Mr. Plant was a partner in another Vancouver law firm, where he practiced as a litigation lawyer with particular emphasis on aboriginal and public law.

Since joining Heenan Blaikie in 2005, Mr. Plant has been appointed senior advisor to the Government of British Columbia in land and resource negotiations with the Council of Haida Nation, has undertaken a series of 15 successful mediations in a dispute between investors and a major Canadian mutual fund company, and has provided strategic advice to BC Hydro in relation to the design and implementation of its power acquisition processes. Mr. Plant has also provided advice to a number of private sector businesses on establishing effective relations with First Nations.

In May 2007, Mr. Plant was appointed Vancouver's Civil City Commissioner. He is also a sessional instructor at the University of Victoria Faculty of Law.