Dirac Twidwell Professor Agronomy & Horticulture University of Nebraska-Lincoln Work Address KEIM 308 Lincoln NE 68583-0915 Phone Work 4025808832 Email dirac.twidwell@unl.edu Website Twidwell Research Lab T. J. McAndrew RESEARCH FACILITY COORDINATOR Agronomy & Horticulture University of Nebraska-Lincoln Work Address KEIM 202K Lincoln NE 68583-0915 Phone Work 402-472-1486 On-campus 2-1486 Email tmcandrew2@unl.edu Aaron Hoagland Research Manager II – Plant Science Agronomy & Horticulture University of Nebraska-Lincoln Work Address SSL 108 Lincoln NE 68583-0827 Phone Work 402-472-6343 On-campus 2-6343 Email ahoagland3@unl.edu Jenny Stebbing RESEARCH MANAGER Agronomy & Horticulture University of Nebraska-Lincoln Work Address PLSH 279 Lincoln NE 68583-0915 Phone Work 402-472-2579 On-campus 2-2579 Email jstebbing3@unl.edu Arthur Bernardeli Rsch Analyst Agronomy & Horticulture University of Nebraska-Lincoln Work Address SSL 108 Lincoln NE 68583-0827 Phone Work 402-472-6343 On-campus 2-6343 Email amartinsalmeidaber2@unl.edu Ismail Dweikat Professor Agronomy & Horticulture University of Nebraska-Lincoln Work Address KEIM 365 Lincoln NE 68583-0915 Phone Work 402-472-5328 On-campus 2-5328 Email idweikat2@unl.edu Website Sweet Sorghum Research John Guretzky Associate Professor Agronomy & Horticulture University of Nebraska-Lincoln Work Address KEIM 310 Lincoln NE 68583-0915 Phone Work 402-472-1516 On-campus 2-1516 Email jguretzky2@unl.edu Greg Teichmeier Research Manager II - Plant Science Agronomy & Horticulture University of Nebraska-Lincoln Work Address ARDC Agronomy 1071 County Rd G Rm A Ithacha NE 68033-2234 Phone Work 4026248054 Email gteichmeier1@unl.edu Marty R. Schmer USDA-ARS Research Agronomist and Adjunct Assistant Professor Agronomy & Horticulture University of Nebraska-Lincoln Work Address FYH 251 Lincoln NE 68583-0937 Phone Work 402-472-1511 On-campus 2-1511 Email mschmer2@unl.edu Website USDA Bio Matthew Sousek Research Manager - Plant Science Agronomy & Horticulture University of Nebraska-Lincoln Work Address ARDC 1071 County Rd G Ithaca NE 68033-2234 Phone Work 4024301810 Email msousek2@unl.edu Website SAC (2026) Alex Chmielewski Research Technologist II Agronomy & Horticulture University of Nebraska-Lincoln Work Address PLSH 384 Lincoln NE 68583-0915 Phone Work 402-472-1534 On-campus 2-1534 Email achmielewski2@unl.edu