Conrad Laubhan was the earliest pioneer Adventist missionary in Russia, with the significant support of his wife, Katherine Sophia.
Wilhelm Heinrich Lesovsky served as pastor, youth director educator, missionary, and physician among Adventists in Germany, Czech Republic, the Middle East, and in the United States.
Alfred and Elizabeth Matter were pioneer Adventist missionaries in Kenya, Rwanda, and the Belgian Congo.
Hans Mayr, a self-supporting missionary, was a pioneer in the Amazon region in northern Brazil.
Albert Meyer served the Adventist Church for 42 years as pastor, missionary, and administrator in Switzerland, Algeria, Morocco, and France in the early and mid-1900s.
Raymond Meyer served the Seventh-day Adventist Church as pastor, teacher, missionary, administrator, and radio broadcaster in France, Tunisia, Senegal, and Switzerland.
Sylvain Meyer served the Seventh-day Adventist Church as pastor, missionary, and administrator during much of his life in Switzerland, Réunion, and Cameroon.
Richard Munzig was a German Adventist missionary, martyr, and defender of the Adventist faith.
Karl F. and Clärle Noltze were German Adventist missionaries in Liberia and Chile.
Rudolf Reider was a missionary and language researcher who served the Seventh-day Adventist Church in Germany, Liberia, and Tanzania.
Fritz Rinder served his society as councilor, and his work in the German peace movement demonstrates the holistic view of his calling.
Mimi Scharffenberg was a Bible instructor, translator, editor, and pioneer missionary, the first single female Adventist missionary to Korea.
George William Schubert (also known as George William) was an evangelist, pastor, administrator, and general field secretary of the General Conference of Seventh-day Adventists.
Joseph (Jacob) Wibbens was a pioneer missionary, worker, and pastor in the Netherlands and Belgium.