Element's world-leading industry specialists. Find an engaged expert today.
![Jeffrey Markham](/-/media/images/people-features/jeff-markham-640x480-01.png)
Jeffrey Markham
Product Compliance
![Jie He](/-/media/images/experts/jie-he-640x480.jpeg)
Jie He
Dr. Jie He has more than twenty years of hands-on experience in sour corrosion testing, electrochemistry, material selection, and analytical method development. His wealth of experience and leadership significantly contribute to Element's commitment to delivering exceptional value to our customers.
![John Moylan](/-/media/images/experts/john-moylan.jpeg)
John Moylan
John Moylan is a senior expert in the testing of polymer based composite materials for the global Aerospace sector.
![John Saad](/-/media/john-saad-640x480.jpg)
John Saad
John is an Electrical Engineer with almost 30 years of experience gained across many facets of the business.
![John Tartaglia PhD](/-/media/images/experts/john-tartaglia.jpeg)
John Tartaglia PhD
Dr. John Tartaglia is a senior expert that specializes in the testing of wrought steels, aluminum and magnesium.
![John Zoelling](/-/media/images/experts/john-zoelling-640x480-01.png)
John Zoelling
John Zoelling is the Engineering Supervisor at Element's Troy, Michigan laboratory.
![Jon Douglas](/-/media/images/experts/jon-douglas-640x480.jpg)
Jon Douglas
Metals
Jon Douglas is an engineering consultant with over twenty-five years of experience across a wide range of sectors including nuclear, gas turbines, renewables, aerospace, and general industry.
![Jonathon Harros](/-/media/images/experts/jon-harros-640x480.jpg)
Jonathon Harros
Jonathan has over 20 years’ experience in telecommunications testing, and is responsible for Element’s worldwide Zigbee services.
![Justin Riebesel, PE, CWI](/-/media/images/experts/justin-riebesel-640x480-may-2018.jpg)
Justin Riebesel, PE, CWI
Justin Riebesel is an expert metallurgist specializing in failure analysis, weld engineering, and new test method development.
![Kevin Dischler](/-/media/images/experts/kevin-dischler-640x480.png)
Kevin Dischler
Kevin Dischler is recognized as a leading expert in Aquatic Toxicity Testing throughout the Oil & Gas Industry and along the Gulf of Mexico.
![Keyur Somani](/-/media/images/experts/keyursomani.jpg)
Keyur Somani
Dr. Keyur Somani is a polymeric material expert specializing in the application of elastomers, thermoplastics and composites within the Oil and Gas sector.
![Khanh Ngo Courtney, Ph.D.](/-/media/images/experts/khanh-courtney-640x480.jpeg)
Khanh Ngo Courtney, Ph.D.
Dr. Courtney’s experience extends from R&D to analytical method development, validation, implementation, method transfer, and optimization of test methods for the cGMP setting per USP and ICH guidelines. She is the General Manager for Element Ann Arbor, an analytical lab in our Life Sciences business. She is a CMC professional in the Biological therapeutic space, and specializes in applying analytical strategies to meet regulatory intent.