
Speakers
The agenda for the Argus DEF Forum North America is currently under development.
To discuss speaking opportunities at the conference, please contact:
Devina Singh
+44 7949 694 751
devina.singh@argusmedia.com
Speakers in 2025 included

Dr. Charles E. Roberts, Jr
Executive Director and Acting Institute Engineer,
Southwest Research Institute

Alejandro Escobar Cervantes
CEO & Founder of MaxiBlue,
Inagro

Thais Sousa
Business Development Manager - Fertilizers, Mining and Agriculture, Brazil ,
Argus

Tim Cheyne
SVP - Global Head of Agriculture, Fertilizers, Ammonia, DEF,
Argus

Bill O'Ryan
Senior Manager,
American Petroleum Institute

Rahul Mital
Technical Fellow Diesel Aftertreatment,
General Motors