[2] She has an identical twin sister,[3][4] and was raised near Amroth, Pembrokeshire, Wales.
[6] The "STEMinist" blog discusses issues facing women in science, technology, engineering, and maths (STEM), arguing for the importance of diversity and representation in science and for removing barriers to women's advancement in STEM education and careers.
[7] Gray credits the blog with having given her opportunities to further advocate for women in STEM to governmental agencies and organizations.
[8] She also produces a podcast (Inside the Petri Dish), and a YouTube video series (Gray Matter), which address contemporary and popular science topics.
[6] In interviews, Gray has mentioned a book project in progress, titled Women in White Coats, focused on the true stories of women in STEM.