Jason W. Briggs
Jason W. Briggs was a leader in the early history of the Latter Day Saint movement and was instrumental in bringing about the 1860 Reorganization of the church, which resulted in the establishment of the Reorganized Church of Jesus Christ of Latter Day Saints.
Jason W. Briggs was born on June 25, 1821 in Pompey, New York. In 1841 at Potosi, Wisconsin he was baptized into the Church of Jesus Christ of Latter Day Saints by William O. Clark. By 1842, Briggs had been ordained an elder of the church and he organized and became the head of a branch in Beloit, Wisconsin. By 1843, Briggs had organized a second branch in Waukesha, Wisconsin.
Source: Wikipedia