matician

noun
1. An expert among experts in a particular area of study or discipline who applies their knowledge to further developed their area of expertise or applies acquired knowledge to problems on a regular basis.

suffix
1. Indicates an expert among experts in the area of study or discipline indicated by root word who applies their knowledge to further developed their area of expertise or applies acquired knowledge to problems on a regular basis. May be written emamtican, matican, or atician depending on root word

noun
He was a matician, the best at what he did.
A matician at her work, outperforming her peers on a regular basis
Among experts in fields not his own he seemed a matician.

suffix
She was was a wonder with chemicals, chematician among chemists
He was a buildematician able to build what few others would attempt
A mathematician was needed, someone more experienced in math than the experts at hand.