Martin is a strong advocate for equal opportunity and addressing gender imbalance in academia. She published a letter in the prestigious journal Nature calling for scientific conference organisers to be more transparent with respect to their gender-balance policies and historical data and a paper describing how to achieve conference speaker gender balance. Martin also writes a blog  which focuses on issues relating to women in academia. She was a Foundation member of the steering committee for Science in Australia Gender Equity ([https://sciencegenderequity.org.au/ SAGE]) which established the UK Athena SWAN charter in Australia to address the under-representation of women in science, particularly at senior positions in universities. As an opinion leader she has been invited to speak on gender equity worldwide, and across sectors. In 2017, she presented a keynote lecture on addressing conference gender equity at the  Australia and New Zealand College of Anaesthetists Annual Scientific Meeting, and presented the Wunderly oration at the Thoracic Society Australia and New Zealand and Society of Respiratory Science Annual Scientific Meeting. In 2018 she gave the invited Inaugural Ruth Gall Memorial Lecture for the School of Chemistry at the University of Sydney on International Women's Day and the Chuwen Keynote Address at the 5th national meeting of the Australian Academy of Science EMCR Forum Science Pathways "Diversify your Thinking". Martin was the first chair of the [https://www.iucr.org/iucr/governance/advisory-committees/gedc International Union of Crystallography Gender Equity and Diversity Committee] (2018-2023). 
Martin is a passionate science communicator. She has participated in events such as BrisScience, which runs public lectures on science and technology; SCOM BOMB, a Google hangout operated by the Australian Science Communicators, Science Rewired and the Centre for the Public Awareness of Science as part of the No Funny Business science communication website; and the 2014 UNESCO International Year of Crystallography, including a radio interview and public lecture. In 2023, she gave the IUCr Plenary Public Lecture entitled "How I fell in love with crystallography and why you should too". She also writes articles for The Conversation, an independent, online source of news and views from the academic and research community. In 2019, she released a children's book “[https://www.thatsradscience.com/book-4-crystal-science-2/ My aunt is a protein crystal scientist. That’s Rad!]”.