![System Design Specialists Chris Perez and Mike Pettit](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/127961-58bde65a817c4_img2450.jpg?v=1488838837)
System Design Specialists Chris Perez and Mike Pettit
Chris Perez and Mike Pettit listening in on inspection and diagnostic training.
![System Design Specialists Daniel Payne and Patrick Beckham](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/127962-58bde65be0200_img2451.jpg?v=1488838837)
System Design Specialists Daniel Payne and Patrick Beckham
Daniel Payne and Patrick Beckham talking through an unusual issue at a customer's home.
![National trainer, Brian Black, teaches our team of System Design Specialists](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/127963-58bde65d4167d_img2469.jpg?v=1488838837)
National trainer, Brian Black, teaches our team of System Design Specialists
Our inspection team being challenged on diagnosis accuracy.
![National Trainer, Brian Black, with System Design Specialist Nick Roberson.](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/127964-58bde65eaab95_img2456.jpg?v=1488838837)
National Trainer, Brian Black, with System Design Specialist Nick Roberson.
A national trainer listens to Nick Roberson describe a settlement issue.