Determinants of job mobility and job advancement were motivated from a model of investment in human capital. Least squares and Tobit models were specified and estimated using data from a recent survey of Kansas State University College of Agriculture graduates. Determinants of job turnover and the number of promotions earned were quantified. Job change and job advancement were found to occur early in the careers of agriculture college alumni. Job experience was found to be the most significant determinant of labor mobility and promotion. Personal and occupational characteristics were found to have significant but small impacts on labor mobility and advancement.