Contacting which of the following individuals may benefit a pesticide dealer seeking clarification on regulations?

Contacting Mike Stoliecki specifically may provide the pesticide dealer with insights into regulatory matters due to his position or expertise in this field. In many cases, individuals like Stoliecki may be involved with regulatory agencies or organizations related to pesticide use and legislation, thus having detailed knowledge about compliance requirements, safety practices, and the latest changes to regulations.

While farmers, research scientists, and other stakeholders can offer valuable information regarding practical applications and scientific perspectives on pesticides, they may not have the specialized understanding of regulatory nuances that someone like Stoliecki possesses. This makes reaching out to him a more direct way to gain clarity on the specific regulations affecting pesticide dealers.

Therefore, seeking guidance from Mike Stoliecki is the optimal choice when looking for authoritative and informed clarification on pesticide regulations.