Christine Sommer-Simmons is an American motorcyclist who owns and rides vintage Harleys.

Melissa Holbrook Pierson is a motorcyclist and author of bestsellers The Perfect Vehicle and The Man Who Would Stop At Nothing.

Lois Pryce is a British motorcyclist and author. Her books Lois on the Loose and Red Tape and White Knuckles recount her riding adventures through the Americas and Africa respectively.