Joachim Gardemann is a passionate hobby astronomer and a watercolour illustrator in his international Red Cross missions.

His Red Cross working experience as health delegate, health coordinator, paediatrician and senior medical officer with IFRC or ICRC is covering emergency missions in Tanzania (1995 and 1998), Macedonia (1999), Iran (2003), Sudan (2004), Sri Lanka (2005), the Peoples Republic of China (2008) and Haiti (2010), additionally he has teaching and research experiences in Serbia (2002), Macedonia (2003), Mongolia (2002) and Ethiopia (2007).