Tiffini is an Environmental Science professor at Kennesaw State University. As a lifelong learner, her journey has evolved from chemistry to sustainability education. As a STEM advocate with efforts to broaden participation, increase retention, and reduce barriers to contribution in the sciences, Tiffini is committed to STEM education with a focus on sustainability to empower students, particularly from historically underrepresented groups, to address issues related to climate change and remain engaged in the field.