The Joely Bear Appeal will hold its 60th blood donor sesssion at Borehamwood & Elstree Synagogue this weekend.
The appeal was launched in January 1995 in memory of Joel Renak, a Jewish child who died aged four from a rare form of liver cancer.
His family have been campaigning ever since for more blood and stem cell donors.
Joel’s parent, Leigh and Lisa Renak, are urging Jews to donate blood and stem cells to ensure people within the community who need donations will always find a match.