Tell him that even though his method works, you know of a better method. Show him your approach and recommend he always use it going forward.
Explanation:
The best way to bring a more experienced employee aboard a more efficient working process is simply by showing him the approach, do not feel too bossy about it and recommend that he always use it.
Every company has a conventional way of working through different processes.
These procedures must have been tested out and proven to be the best choice.
There are people, leaders, operators at the head of these working process.
To disrupt the conventional, a subtle approach is needed to come to terms with.
A better method that works must be presented in a logical way. The need to adopt such a new way of doing things must carefully and clearly presented.
This ensures that in deploying such technology or procedure, all parties conforms and are taking mutually collective risk.
