[4] Starting in 1998, Seckel began co-authoring an annual series called "BC Supreme Court Rules Annotated" published by Thomson Reuters.
[17] From May 2017 – June 2018, Seckel served as Chair of the Mobility Pricing Independent Commission for TransLink and the Metro Vancouver Mayors’ Council on Regional Transportation.
[18][19][20] Following the declaration of the COVID-19 pandemic in British Columbia, in April 2020, Attorney General David Eby appointed Seckel to chair a Cross-Jurisdictional Technical Advisory Group to assist the provincial court system amidst public health restrictions.
[21][22][23] On June 2, 2020, Seckel and Doctors of BC President Kathleen Ross published a statement condemning recent acts of racism and violence in the United States.
[24] Seckel was appointed to the board of directors of the Insurance Corporation of British Columbia (ICBC) on April 22, 2021,[25] as chair of BC Housing in July 2022,[26] and as the inaugural Fair Practices Commissioner for WorkSafeBC on May 1, 2023.