Rachel Jacobs was on her way home to Manhattan when a train traveling twice the speed limit derailed.
The 39-year-old had recently become chief executive of an online apprenticeship service in Philadelphia.
She is also the founder of the web-based group Detroit Nation.
Funeral services begin at 10 a.m. Monday at the Ira Kaufman Chapel on Nine Mile Road in Southfield.
Jacobs leaves behind a husband and 2-year-old son.