I thought the papers author's nearly ten year employment at `Petrofac` is interesting and probably warrents a mention.

> Petrofac designs, builds, manages and maintains oil, gas, refining, petrochemicals and renewable energy infrastructure.

https://hsph.harvard.edu/profile/yazan-alwadi/

https://www.linkedin.com/in/yazan-alwadi-ab1b112b/

he was a construction engineer, not a policymaker.