David focuses entirely on occupational disease cases. With long experience in this field, he has particular expertise in asbestos litigation, and a significant case load involving all disease types. David successfully defends his insurance and commercial clients in both the Court of Session and sheriff courts.

He is regularly involved in lobbying the Scottish Parliament on behalf of clients in respect of the legislation applicable to occupational disease claims. David is a member of FOIL and has advised the ABI and major composite legacy insurers in relation to issues around disease matters.

Chambers 2016 stated David is described as "top-level" and someone who has a "range of skill" that makes him "stand out."

David is a regular speaker at external and Clyde & Co client conferences, addressing all aspects of occupational disease claims.