Material and Tests Division Staff

6601 Centennial Boulevard
Nashville, Tennessee 37243
Phone: 615.350.4100
Fax: 615.350.4128

Heather Purdy, P.E.
Materials and Tests Division Director
Email: Heather.Purdy@tn.gov

LABORATORY OPERATIONS  
Mike Doran, P.E.
TDOT Manager
Phone: 615.350.4105
Email: Michael.Doran@tn.gov
 
Joseph Kerstetter, P.E.
Assistant Lab Manager
Phone: 615.350.4193
Email: Joseph.Kerstetter@tn.gov
 
Trey Anderson
TDOT Supervisor
Phone: 615.350.8173
Email: Trey.Anderson@tn.gov
 
Kim Filson
TDOT Supervisor
Phone: 615.350.4169
Email: Kimberly.Filson@tn.gov
 
Eric Lawson
TDOT Supervisor
Phone: 615.350.4417
Email: Eric.Lawson@tn.gov
 
MATERIALS AND PAVEMENTS  
Matthew Chandler, P.E.
TDOT Manager
Phone:615.350.4149
Email: Matthew.Chandler@tn.gov
 
Jason Mellons, P.E., CPM
Senior Transportation Engineer (Concret & Aggregate)
Phone: 615.350.4152
Email: Michael.j.Mellons@tn.gov
 
Derek Gaw, P.E.
Senior Transportation Engineer (Bituminous) 
Phone: 615.350.4106
Email: Derek.Gaw@tn.gov
 
Richard Weber
TDOT Team Lead, Materials Control
Phone: 615.350.1011
Email: Richard.Weber@tn.gov
 
Ulises Martinez
TDOT Team Lead, Pavements
Phone: 615.350.4155
Email: Ulises.Martinez@tn.gov
 
Brad Baskette
TDOT Team Lead, Field Services Knoxville
Phone: 865.594.4552
Email: Brad.Baskette@tn.gov
 
Tony Renfro, P.E.
TDOT Team Lead, Field Services Chattanooga
Phone: 423.510.1190
Email: Tony.Renfro@tn.gov
 
Kevin Isenberg
TDOT Team Lead, Field Services Nashville
Phone: 6153504312
Email: Kevin.Isenberg@tn.gov
 
Lindsey Skaggs
TDOT Team Lead, Field Services Jackson
Phone: 731.935.0216
Email: Lindsey.Skaggs@tn.gov
 
RESEARCH & NEW PRODUCT EVALUATION  
Danny Lane
TDOT Team Lead
Phone: 615.350.4175
Email: Danny.Lane@tn.gov
 
David Young
New Products, QPL, Producer List, Guardrail Guarantee
Phone: 615.350.4118
Email: David.Young@tn.gov
 
Tony Pope
Research Laboratory Supervisor
Phone: 615.350.4177
Email: Tony.Pope@tn.gov
 
New Product Submittals Email: TDOTProductSubmittal@tn.gov  
Chris Hampton
Administration TDOT Supervisor
Phone: 615.350.3314
Email: c.w.hampton@tn.gov
 
GEOTECHNICAL OPERATIONS  
Travis Smith, P.E.
TDOT Manager
Phone: 615.350.4136
Email: Travis.W.Smith@tn.gov
 
Robert Jowers, P.E.
TDOT Team Lead, Nashville Team 1
Phone: 615.350.4133
Email: Robert.Jowers@tn.gov
 
Besmir Zenelaku, P.E.
TDOT Team Lead, Nashville Team 2
Phone: 615.350.4121
Email: Besmir.Zenelaku@tn.gov
 
Lori Fiorentino, P.E.
TDOT Team Lead, Knoxville
Phone: 865.594.2704
Email: Lori.Fiorentino@tn.gov
 
Jeremiah Kokes
TDOT Team Lead, Geology
Phone: 865.594.2705
Email: Jeremiah.Kokes@tn.gov