Grahame is a qualified field biologist and works for the NPTA as a Technical Support Officer, providing training and technical support to members. He is keen to promote efficient, effective, professional, and environmentally sound pest control practices.

Grahame is familiar with pest control from many angles. He studied applied zoology and insect control at University; and he has worked in pest control operations (for National Pest Control), entomology research (for Wellcome Environmental health), pest consultancy and training (with ADAS), food production (with Heinz), bird proofing product development, technical support and training (with Network/Pelsis), pest control technical management (for Mitie/Terminix), and pest biologist inspections and training (with PestAcuity).