The operation was originally operated by brothers, Calvin and Gary Sandmeier.   Matthew, Calvin's son has returned to the operation and he and his wife, Maria, are the next generation of Sandmeier Charolais. Matthew graduated from SDSU with an associates degree in agriculture in Dec. 2012.  He continued to pursue his bachelor's degree in animal science as a part time student and a full time part of Sandmeier Charolais, graduating in December 2015.