For all sorts of reasons, women remain under-represented in senior-level jobs in science, technology, engineering and mathematics.To overcome these blocks, what can male allies do to challenge discriminatory practices and unconscious bias, and to recognize their own privilegeand the career advantages it has delivered?Two male scientists saw how female colleagues were ignored or talked over in meetings and treated more harshly than male candidates in job interviews.They discuss the need to take supportive action, including a range of measures that include a boycott of ‘manels’ — all-male panels.This episode is part of Science diversified, a seven-part podcast series exploring how having a more diverse range of researchers ultimately benefits not only the scientific enterprise, but also the wider world.Each episode in this series concludes with a sponsored slot from the International Science Council (ISC) about how it is exploring diversity in science. Hosted on Acast. See acast.com/privacy for more information.