Meet Our Team

  • Katie Lewis, Ph.D.

    PRINCIPAL INVESTIGATOR

  • Joseph A. Burke, Ph.D.

    Program Manager and Post-Doctoral Research Scientist

    Texas A&M University

    Focus: Biogeochemistry of semi-arid agroecosystems

  • Christopher J. Cobos, M.S.

    Ph.D. Student and Sr. Research Associate

    Texas A&M University

    Focus: Water availability and sustainability in semi-arid conservation agroecosystems

  • Lauren Selph, M.S.

    Ph.D. Student

    Texas Tech University

    Focus: Organic cotton production

  • Nicholas Boogades, M.S.

    Ph.D. Student

    Texas Tech University

    Focus: Soil health and greenhouse gas emissions from conventional and organic peanut & cotton production

  • Hector Valencia, M.S.

    Laboratory Manager

    Texas Tech University

    Focus: Evaluating the effects of double cropping systems and management practices on soil health indicators across Texas, with an emphasis on microbial community abundance and diversity.

  • James I. Yates

    Research Technician

  • Tessa Bennett

    Research Assistant and M.S. Student

    Texas Tech University

  • Riley Babcock

    M.S. Student

    Texas Tech University

  • Dash & Sister

    Lab Mascots


Lab Alumni

  • Gabriel Garcia

    Student Careers in Agricultural Research, Learning, and Extension Training (SCARLET) Intern (2022)

  • Dustin Kelley

    Currently: R&D Field Development Manager at Wilbur-Ellis

    Formerly: Research Associate and Field Manager

  • C.D. Ray White, Ph.D.

    Currently: Research Scientist at Texas A&M AgriLife Research

    Formerly: Ph.D. Candidate

    Texas Tech Universtiy

    Disseration: Cover crop and weed management strategies in no-tillage cotton systems in the Texas High Plains (2021)

  • Mark McDonald, Ph.D.

    Currently: Post-Doctoral Research Scientist at Argonne National Laboratory

    Formerly: Ph.D. Candidate

    Texas A&M University

    Dissertation: Conservation Management and Nitrogen Fertilizer Timing Effects on Microbial Production of Nitrous Oxide and Nitric Oxide in a Semi-Arid Environment (2021)

  • Amee Bumguardner, Ph.D.

    Currently: Assistant Professor at Mississippi State University

    Formerly: Ph.D. Candidate

    Texas Tech University