Allison Mattheis is an associate professor in the Division of Applied and Advanced Studies in Education at California State University, Los Angeles. A former secondary school science teacher, she now supports the development of educators and educational leaders at all levels. Her research interests include the experiences of LGBTQIA+ individuals in STEM fields and support for social justice in education. She is a member of the NSF-supported ADVANCEGeo team, working to counter harassment and discrimination in the geosciences. As a former ARC network Virtual Visiting Scholar, she conducted a ten-year review of understandings of gender in STEM higher education research.