PGXL Laboratories Staff

The staff of PGXL Laboratories has more than 45 years of experience in scientific research and clinical medicine. The staff includes four PhD scientists, including two who are certified by the ABCC and two who will soon be eligible. We also have one certified Medical Technologist, co-trained as a phlebotomist.

Our staff has published over 100 papers, abstracts, book chapters, and reviews.


Roland Valdes Jr.

Roland Valdes Jr., PhD, FACB

President - PGXL Laboratories

Tel: (502) 852-1772

roland.valdes@pgxlab.com

Mark W. Linder

Mark W. Linder, PhD, DABCC

Vice President for Operations - PGXL Laboratories

Tel: (502) 852-8400

mark.linder@pgxlab.com

Kristen K. Reynolds

Kristen K. Reynolds, PhD

Director of Laboratory Operations

Tel: (502) 569-1584 ext 3

kristen.reynolds@pgxlab.com

Saeed A. Jortani

Saeed A. Jortani, PhD, DABCC

Director of Research and Development

Tel: (502) 852-8835

saeed.jortani@pgxlab.com

Diana L. Maslowski

Diana L. Maslowski, MT(ASCP)

Director of Business Operations

Tel: (502) 569-1584 ext 2

diana.maslowski@pgxlab.com

Brad Esarey

Brad Esarey

Director of Sales and Marketing

Tel: (502) 569-1584 ext 4

brad.esarey@pgxlab.com

Nancy A. Johnson

Nancy A. Johnson, MT(ASCP)

Medical Technologist II

Tel: (502) 569-1584 ext 1

nancy.johnson@pgxlab.com

Matthew R. Herrnberger

Matthew R. Herrnberger

Research Technologist

Tel: (502) 569-1584 ext 1

matthew.herrnberger@pgxlab.com