Administrative Staff

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Pam Biery, Business Manager - Payroll 
PLS 4116 | 301-405-3915 | pbiery@umd.edu

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Greg Hess (he/him), IT Systems Manager
PLS 4143 | 301-405-8911 | greghess@umd.edu 

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​Roshanna F. Howell, Accounting Associate
rhowell@umd.edu | 301-405-4338 | rhowell@umd.edu​

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Michael Katsereles, Business Manager
PLS 4116 | 301-405-3917 | ​mkatser2@umd.edu

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Debbie Thompson, Director of Finance ​
PLS 4116 | 301-405-3916 | DThomp10@umd.edu​

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Todd Waters (he/him), Agricultural Technician Supervisor
PLS 3179 | ​301-405-3799 | twaters2@umd.edu

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Amy Yaich (she/hers), Program Administrative Specialist
PLS 4112 | 301-405-3911​ | ​ayaich@umd.edu 

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Andy Yeh, Administrative & Graduate Coordinator
PLS 4112 | 301-405-3913​ |yeha@umd.edu​
​

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Research Staff

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Thea Bliss, Research Staff, Fritz Lab
PLS3184 | tbliss@umd.edu

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Renee Dollard (she/her), Gruner Lab, Faculty Assistant 
PLS| rdollard@umd.edu 

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Heather Eversole (she/her), Faculty Specialist​, vanEngelsdorp Lab
PLS 4176 | 301-405-3799​ | heversol@umd.edu

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Rachel Fahey (she/her), Faculty Assistant, vanEngelsdorp Lab​
PLS 4176 | 301-405-3799​ | faheybrl@umd.edu

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Nancy Harding​, Faculty Assistant, Shrewsbury Lab
PLS 3154 | 301-717-9524​ | nharding@umd.edu

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Kelsey McGurrin, Faculty Specialist, Burghardt Lab
​PLS 4135 | 301-405-3736 |​​kmcgurri@umd.edu

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Ashrafun Nessa, Research Staff, vanEngelsdorp Lab​
PLS3160 | ​anessa@umd.edu

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Terry Patton, Faculty Extension Assistant, Dively Lab
PLS 3128 | 301-405-3942 ​| tpatton@umd.edu 

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Karen Rane (she/her), Director of the Plant Diagnostic Laboratory
PLS 3134 | 301-405-1611​ | rane@umd.edu

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Karen Rennich (she/her)​, Senior Faculty Specialist, vanEngelsdorp Lab​
PLS 3160 | 301-405-7947​ | krennich@umd.edu

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Nate Swan (he/him), Research Staff, vanEngelsdorp Lab ​
PLS4176 | ​301-405-3799 | nswan@umd.edu

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Chris Sargent, Faculty Assistant, Raupp Lab 
PLS 3130 | 301-405-0478 ​| csargen1@umd.edu

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