Meet the PTL Team

Our people are highly motivated and talented professionals who are committed to assisting our clients in achieving great things. They possess a collective passion for problem-solving and a tenacity for delivering long-lasting business value to our clients. For this reason, we place tremendous emphasis on identifying and recruiting exceptional people, developing their skills, and establishing a professional environment that cultivates their leadership ability.

Richard J Karuhn

Richard J. Karuhn
President & CEO

Lisa Jandacek

Lisa Jandacek
EVP, Director of Operations

William Kopesky

William Kopesky
EVP, Director of Analytical Services

Jackie Balog

Jackie Balog
Particle Characterization Chemist III and Team Leader

Desmond Christie

Desmond Christie
Computer Systems Manager

Elizabeth Fitzgerald

Elizabeth Fitzgerald
Quality Assurance Assistant Manager

Amy Ganden

Amy Ganden
Quality Assurance and Methods Compliance Manager

Kelli Hubert

Kelli Hubert
Internal Operations Manager

Jorie Kassel

Jorie Kassel
Laboratory Division Manager

Ryan Keefer

Ryan Keefer
Technical Manager / Particle Characterization Chemist V

Cody Langellier

Cody Langellier
Laboratory Division Manager

Chorthip (Chip) Peeraphatdit

Chorthip (Chip) Peeraphatdit
Particle Characterization Chemist IV and Team Leader

Jenn Rodriguez

Jenn Rodriguez
Human Resource Manager

Janna Stahl

Janna Stahl
Business Development Manager

Jakub Strycharz

Jakub Strycharz
Particle Characterization Chemist IV and Team Leader

Oliver Urbanek

Oliver Urbanek
Quality Assurance Technical Specialist

Rebecca Lea Wolfrom

Rebecca Lea Wolfrom
Technical Compliance Manager