Laboratory Services Team

Robert B. Leggat, III, PhD – KTA Laboratory Services Manager
412.788.1300 x 173, rleggat@kta.com

Robert Leggat is the KTA Laboratory Services Manager and has over 15 years of experience in the protective coatings industry.  He holds a PhD in Materials Science and Engineering from the University of Virginia and successfully completed the KTA Level I Basic Coatings Inspection training course.  Mr. Leggat joined KTA in August 2016 as the Laboratory Services Manager overseeing the operations of the Analytical and Physical Testing Laboratories.  In this position, he oversees all laboratory services which include paint, corrosion and material testing services, coating failure investigations, coatings research, and compositional analysis. Under his oversight, senior chemists, chemists, and research and development specialists provide clients with independent, accurate analyses of coating problems and advance the industry’s understanding of the performance characteristics of protective coatings and abrasive media. Prior to joining KTA, Mr. Leggat held various senior research and technical management positions with the United States Steel Corporation in Pittsburgh, PA.  Contact Me

Valerie D. Sherbondy – Senior Chemist
412.788.1300 x 183, vsherbondy@kta.com

Valerie Sherbondy is the Technical Director-Analytical Laboratory for KTA, where she has been employed for over 25 years. She is an SSPC Certified Protective Coatings Specialist (No. 467-921-0326) and has worked on hundreds of coating failure forensic investigations in addition to conducting and supervising numerous product testing programs, some of which involved litigation support and expert witness testimony. She is currently the project manager for testing of coating systems (according to the Saudi Aramco Material & Systems Specifications, or SAMSS) for Saudi Aramco.  She also provides technical support to the KTA coatings consulting staff for coating failure analysis projects. Ms. Sherbondy has experience with formulations evaluations; infrared spectroscopy, atomic absorption spectroscopy, gas chromatography-mass spectroscopy; scanning electron microscopy; statistical design of experiments and analysis of data; testing and evaluations according to ASTM, ISO, military specifications, and various other methods. As the technical director for the laboratory, she oversees the operation and verification of the analytical testing equipment and data reporting. During her previous tenure as Laboratory Quality Assurance Officer, the laboratory gained A2LA accreditation for a scope of test methods and she continues the commitment to quality laboratory analysis and results reporting for the laboratory. Ms. Sherbondy is a member of the American Chemical Society, SSPC: a past Society Liaison for The Society for Protective Coatings and the American Society for Testing and Materials (ASTM International), and is also a committee chair for NACE International. She is a graduate of the University of Pittsburgh with a B.S. in Chemistry and Business. | Contact Me

Cheryl L. Roberts – Senior Chemist/QA Officer
412.788.1300 x 209, croberts@kta.com

Cheryl Roberts has been working at the KTA Laboratory for three years as a Senior Chemist/ and two years as the Laboratory QA Officer. She is responsible for conducting and supervising product testing programs, providing technical support to the consulting staff, and  maintaining the A2LA and NELEC accreditations of the laboratory. Prior to joining KTA, Cheryl was a Chemistry Laboratory Instructor for Duquesne University and a Physics teacher at Trinity High School. Other past positions include serving as an Engineer I in Exploratory Research for PPG Industries where she supervised and provided engineering support for a polymerization pilot plant and serving as a Process Engineer in the Bulk Manufacturing Division for Eli Lilly and Company. Cheryl has a B.S. in Chemical Engineering from the University of Pittsburgh and a Masters in Chemical Engineering and Colloids, Polymers, and Surfaces from Carnegie Mellon University. | Contact Me

Carly M. McGee – Materials & Physical Testing Laboratory Manager 412.788.1300 x 181, cmcgee@kta.com

Carly McGee is the Materials & Physical Testing Laboratory Manager for KTA where she has been employed since 2001. In this position, Carly is responsible for facility operations including abrasive blast-cleaning and coating of specimens, corrosive and accelerated weathering exposure of specimens, and evaluation of exposed panels. Carly is an SSPC Certified Protective Coatings Specialist, a member of the Board of Directors for the Pittsburgh chapter of the American Concrete Institute (ACI), and ACI Certified Concrete Field Testing Technician Grade 1, a member of ASTM Committees G01 (Corrosion of Metals) and C09 (Concrete and Concrete Aggregates), and a member of the Research Council on Structural Connections. She has over sixteen years experience in coatings analysis (including materials testing and failure analysis). Carly also has experience with copper refining analysis; the manufacturing and analysis of petroleum distillates; infrared spectroscopy, inductively-coupled plasma-atomic emissions spectroscopy, gas chromatography-mass spectroscopy; scanning electron microscopy; corrosion testing methods; statistical design of experiments and analysis of data; testing and evaluations according to ASTM, ISO, military specifications, and various other methods; and operation and verification of accelerated exposure equipment. She has a B.S. from Grove City College (Chemistry major) and additional industry-specific training through ASTM, ACI, and SSPC. | Contact Me

Chad S. Quatman – Project Manager/Coating Application Specialist
412.788.1300 x 299, cquatman@kta.com

Daniel G. Chasky – Project Manager/Coating Application Specialist
 412.788.1300 x 188, dchasky@kta.com

Kaley M. Stanczyk – Chemical Technician
  412.788.1300 x 182, kstanczyk@kta.com

Julia M. Baur– Chemical Technician
  412.788.1300 x 185, jbaur@kta.com

Julie A. Glover – Analytical Technician
412.788.1300 x 205, jglover@kta.com

Melissa A. Swogger – Chemical Technician
412.788.1300 x 230, mswogger@kta.com

Joe Barush – Project Manager/Coating Application Specialist

412.788.1300 x 194, jbarush@kta.com

Bob Zinkhan – Project Manager/Coating Application Specialist

412.788.1300 x 179 rzinkhan@kta.com

Ryan Wilson- Project Manager/Coating Application Specialist

412.788.1300 x 361 rwilson@kta.com

Amy Ignatz- Quality Assurance Officer

412.788.1300 x 364 aignatz@kta.com

Christina Kaste- Chemical Technician

412.788.1300 x 240 ckaste@kta.com