Staff Bios

Picture of  Katelyn  McCullock

Katelyn McCullock

Director, Senior Economist

Katelyn McCullock is the Director and Senior Agricultural Economist at the Livestock Marketing Information Center.   Katelyn has expertise in the cattle, hog, dairy, hay and grain sectors covering market analysis and outlook.  Katelyn has published through a variety of channels market analysis, research, and new articles.  She is has been a frequent presenter on the national and regional levels, as well as through rural media outlets.

Prior to joining LMIC, Katelyn has worked in the Farm Credit System as well as in Washington, DC for American Farm Bureau Federation on livestock related agricultural policy topics.  She has a masters in Agricultural Economics from Colorado State University and a bachelor of Science from the University of Maine.  

Picture of  Gary  Lohr

Gary Lohr

Data Systems Analyst

Gary Lohr is a data systems analyst at the Livestock Marketing Information Center. He has managed his own consultancy during the last 20 years, specializing in forecasting economic conditions for the food and agriculture industries. Prior to that, he was Director of Long-term Forecasting and International Studies at a leading economic consulting firm. He has designed and managed forecasting systems focused on the poultry industry as well as worked for a large commodity trading organization.

Gary has a BS in Agricultural Economics from Colorado State University with several years of graduate work in Economics, as well as Management Science and Information Systems.

Picture of  Tyler  Cozzens    PhD

Tyler Cozzens PhD

Agricultural Economist

Tyler Cozzens is an Agricultural Economist at the Livestock Marketing Information Center.  He previously worked as an agricultural economist at the United States Department of Agriculture's Foreign Agricultural Service (USDA/FAS) in Washington, D.C. where he provided situation and outlook economic analysis on U.S. and global livestock production and trade.  Tyler also worked for the USDA Animal and Plant Health Inspection Service Wildlife Services National Wildlife Research Center (USDA/APHIS/WS/NWRC) evaluating animal disease prevalence in U.S. food animal populations and unregulated wildlife populations.  Tyler received his Ph.D. in agricultural economics from Colorado State University where his research focused on the economics of animal health.  


Picture of  Jacki  Costello

Jacki Costello

Administrative Assistant

Jacki Costello is the Administrative Assistant at the Livestock Marketing Information Center. Jacki assists in managing data files and helps with all administrative tasks. Jacki has Bachelor degrees in Anthropology and Sociology from the Metropolitan State University of Denver. Prior to coming to LMIC, Jacki worked in the legal field and as a contractor for the U.S. Department of Energy.


Picture of  Laura  Lahr

Laura Lahr

Database Manager

Laura Lahr has been at the Livestock Marketing Information Center for 19 years.  Laura maintains many of the data files.  She also works with graphs, tables, and the website.

Laura has a BS in Agricultural Economics with a minor in Animal Science from South Dakota State University.


Picture of  James  Robb

James Robb

Senior Agricultural Economist - Emeritus

Jim Robb retired June 30, 2020 and was awarded Emeritus Status by Colorado State University Extension.

For many years he was Senior Agricultural Economist and Director of the Livestock Marketing Information Center (LMIC).  He has written over 1,400 articles, research reports, and newsletters on a variety of marketing and economic topics related to agriculture and the livestock industries.  Jim has been a speaker at conferences throughout North America and has given expert testimony to the US Senate Agriculture Committee.  

Prior to joining the Western Livestock Marketing Information Project in 1991, which became the LMIC, Jim was an Agricultural Economist at the University of Nebraska.  He also has worked in the agricultural banking sector.  Jim received degrees in Agricultural Economics from the University of California-Davis and from Michigan State University.