Dr. Jameson (Jamie) R. Brennan is an Assistant Professor at South Dakota State University (SDSU), with a focus on the intersection of rangeland and grazing management, data analytics, and precision technology. He is housed at SDSU’s West River Research and Extension center and concentrates his research and Extension programs on grazing beef systems on western rangelands. Dr. Brennan earned his B.S. in Wildlife Biology from Colorado State University followed by a Ph.D. in Range Science from SDSU. He started as an Assistant Professor in Animal Science at SDSU in 2021 and has been instrumental in establishing SDSU as a leader in precision range and grazing livestock management. During his short time as an Assistant Professor, Dr. Brennan has become nationally and internationally recognized for his ability to develop and apply precision technology to collect, curate and analyze unprecedented research data from range beef cattle systems. Furthermore, he has developed a highly successful Extension program aimed at making precision technologies accessible for producers. Dr. Brennan has authored or co-authored 17 refereed journal articles, 10 proceedings papers, 17 Extension articles, 40 conference abstracts, and 11 popular press articles. Dr. Brennan has secured $82,562,417 in extra mural funding to support his research and outreach activities and is a co-principal investigator on a recent $80 million climate-smart beef and bison grant awarded to SDSU.