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Member, College of Arts & Sciences Tenure and Promotion Committee, Fall 2013-Summer 2015
Member, Dean's ad-hoc committee to evaluate B.S. degree requirements, 2015
G.V.R.K. Vithanage, Ph.D. defense (Mathematics), Summer 2022
Eric Peterson, Ph.D. defense (Environmental Toxicology), Spring 2021
Nipa Fatema Kaniz, Ph.D. defense (Mathematics), Summer 2020
Xiaochuan Hu, Ph.D. defense (Mathematics), Spring 2018
T. Mihiri De Silva, Ph.D. defense (Mathematics), Spring 2017
Dan Dawson, Ph.D. defense (Environmental Toxicology), Summer 2016
Pamela Bryer, Ph.D. defense (Environmental Toxicology), Spring 2008
Jan Kamler, Ph.D. defense (Natural Resources Management), Spring 2002
Kimberly Bilica, Ed.D. defense (Education), Summer 2001
Director, The TTU President's STEM Mentoring Academy (Summer 2022-present)
Member, Piper Professor Award Committee (2024-present)
Associate Director, STEM-CORE (Fall 2018-Summer 2023)
Chair, Membership Committee, STEM-CORE (Fall 2018-Fall 2019)
Member, Outreach Committee, STEM-CORE (Fall 2017-summer 2020)
Member, Graduate Program Review for Department of Landscape Architecture, TTU (Fall 2013-Spring 2014)
Curator of Birds, Natural Science Research Laboratory, The Museum of Texas Tech University (2006-present)
Appointed by TTU president Dr. Lawrence Schovanec as representative for public art project for Experimental Sciences Building II (2016-2017)
Member, tenure evaluation committee for Dr. Samantha Kahl, Dept. Natural Resources Management, TTU (2015)
Faculty banner bearer, graduation, 12 December 2014
External Ph.D. examiner for Robbie Bishop-Taylor, University of New South Wales, Australia, Nov. 2017
External Ph.D. examiner for Elizabeth Lowe, University of Sydney, Australia, June 2016
External Ph.D. examiner for Cristina Estima Ramalho, University of Western Australia, Australia, Mar. 2012
External Ph.D. examiner for Briony Norton, University of Melbourne, Australia, Jan. 2012
External Ph.D. examiner for Joanna Coleman, University of Calgary, Canada, 30 July 2010
External Ph.D. examiner for Ruth Guthrie, Lincoln University, New Zealand, Jan. 2009
External evaluator for promotion dossier of Dr. Mirela Tulbure, N.C. State University, Dept. of Forestry and Environmental Resources, Summer 2023
External evaluator for promotion dossier of Dr. Alan Johnson, Clemson University, Dept. of Forestry and Environmental Conservation, Fall 2021
External evaluator for tenure and promotion dossier of Dr. Kenneth Nussear, University of Nevada-Reno, Dept. of Geography, Spring 2021
External evaluator for promotion dossier of Dr. Heather Bateman, Arizona State University, Faculty of Polytech Science and Mathematics, Spring 2021
External reviewer for promotion evaluation, Dr. Madhusudan Katti, N.C. State University, Dept. of Forestry and Environmental Resources, Fall 2019 and Summer 2022
External reviewer for promotion evaluation, Dr. Darren Bender, Univ. of Calgary, Dept. of Geography, Fall 2018
External reviewer for tenure and promotion evaluation, Dr. Colin Studds, Univ. Maryland-Baltimore County, Dept. of Geography and Environmental Systems, Fall 2018
External reviewer for tenure evaluation, Dr. Kyle Barrett, Clemson University, Dept. of Biological Sciences, Fall 2017
External reviewer for promotion evaluation, Dr. James Forester, University of Minnesota, Dept. of Fisheries, Wildlife and Conservation Biology, Fall 2017
External reviewer for habilitation dossier of Dr. Marcela Suarez-Rubio, Universität für Bodenkulture Wien, Vienna, Austria, Fall 2015
External reviewer for promotion evaluation, Dr. Jonathan Bossenbroek, University of Toledo, Dept. of Environmental Sciences, Summer 2015
External reviewer for promotion evaluation, Dr. Brett Goodwin, University of North Dakota, Dept. of Biology, Summer 2015
External reviewer for tenure evaluation, Dr. Thomas Albright, University of Nevada-Reno, Dept. of Geography, Summer 2015
External reviewer for tenure evaluation, Dr. Sara Gagné, University of North Carolina-Charlotte, Dept. of Geography and Earth Sciences, Summer 2015
External reviewer for tenure evaluation, Dr. Kristin Baum, Oklahoma State University, Dept. of Zoology, Fall 2010
Extramural reviewer for tenure evaluation, Dr. Susan Tomlinson, TTU Honors College (Natural History & Humanities), Fall 2008
External reviewer for tenure evaluation, Dr. Brett Goodwin, University of North Dakota, Dept. of Biology, Fall 2007
Member, Mentoring Committee for Dr. David Rogowski (TTU Dept. Natural Resources Management), Spring 2010
Reviewer, TTU Honors College Undergraduate Research Conference, 3 April 2009
Judge, HHMI Research Days, Spring 2008
Ad hoc reviewer for Research Enhancement Fund proposals, Spring 2005
Judge, Honors College Undergraduate Research Program, 7 April 2004
Judge, Graduate and Professional Student Government Association 1st Annual Research Poster Session, 2002