For the past 8 years Robert Hejzak has been serving as the Board Chair of the Czech national patient organization for persons living with HIV (Czech AIDS Help Association). A patient advocate, Robert has been looking out for the best interests of HIV patients and campaigning for new HIV prevention tools, promoting destigmatization measures and access to care for all patients.

Robert is a patient representative on the Czech National HIV Committee, a member of Euroepan AIDS Treatment Group (EATG), a member the Czech National Patient Council and a founding member of the Czech National Association of Patient Organizations.