Birgit Leichsenring is a microbiologist specializing in biomedical science communication, with a focus on HIV. As a member of the Vienna Chemsex Network, she works to raise awareness about chemsex and sexual health, bringing together experts from medicine, counseling and community work. The network’s efforts led to Austria’s first online orientation tool on chemsex.

She regularly speaks at conferences, community events and Pride festivals across Austria on chemsex, HIV, PrEP and sexually transmitted infections. She is known for making scientific knowledge accessible, engaging and free of judgment.