He completed his Doctor of Philosophy degree in 1965 at Emory University in Atlanta, Georgia, with his research conducted at the United States Centers for Disease Control and Prevention (CDC).
He organized field teams and supervised on-site collecting in Egypt, guided visiting scientists into the Sahara and Eastern deserts and conducted zoological and serological expeditions in Turkey, Lebanon, Kuwait, Yemen,[3] Sudan,[4] Ethiopia, Afghanistan[5] and southern Europe.
He also performed research in Cairo elucidating the epidemiology and public health impact of ticks parasitizing birds migrating to and from Europe, Asia and Africa through Egypt.
[1][9] Kaiser's contributions to tick taxonomy were honored by his peers with the naming of the species Ixodes kaiseri Arthur, 1957 and the Haemaphysalis subgenus Kaiseriana Santos Dias, 1963.
[1] The scientific name of the bushy-tailed jird subspecies found in the Eastern Desert of Egypt, Sekeetamys calurus makrami (Setzer, 1961), honors his collecting activities.