Johanna O'Day is a Scientific Program Manager at the Wu Tsai Human Performance Alliance, co-host of the Biomechanics On Our Minds podcast, and a Research Engineer at Stanford University. With a background in bioengineering and biochemistry, Johanna has experience in leading design thinking workshops, developing open-source tools for gait impairment in Parkinson's disease, teaching math and coaching track, and serving as a substitute teacher.