The phrase "a senior expert" is correct and usable in written English.
It can be used to refer to someone who has extensive knowledge and experience in a particular field or profession.
Example: "The company hired a senior expert to lead the project and provide guidance to the team."
Alternatives: "an experienced specialist" or "a seasoned professional."
Ankur Puri is a senior expert in McKinsey's Delhi office.
"Practitioners enjoy a lot of freedom in Germany," says Stefan Etgeton, a senior expert of the Bertelsmann Foundation.
Laura LaBerge is a senior expert in McKinsey's Marketing & Sales Practice focusing on organizational transformations and marketing strategy.
Andris Umblijs is a senior expert at McKinsey with deep expertise in marketing econometrics and marketing return on investment.
Arnaub Chatterjee is a senior expert in McKinsey's North America Knowledge Center and a teaching associate at Harvard Medical School.
"We don't put drug users in prison," said Leon Garcia, a senior expert on mental health and drugs at the federal Health Ministry.
A senior Ebola expert is departing for the DRC shortly, and the agency has offered "technical expert assistance for surveillance, laboratory diagnosis, infection control, border health screening, health communication, vaccinations and emergency response management," a National Security Council spokesperson told HuffPost Wednesday.
A senior Ebola expert is departing for the country shortly, and the agency has offered "technical expert assistance for surveillance, laboratory diagnosis, infection control, border health screening, health communication, vaccinations and emergency response management," the spokesperson added.
UNICEF expert available for interviews at Ebola Brussels Conference BRUSSELS, 2 March, 2015 - A senior UNICEF expert will be attending the Ebola high-level conference: From Emergency to Recovery and is available for media interviews.
Francisco Cardona is a senior international expert on public governance.
Vibhas Ratanjee is a Senior Practice Expert with Gallup, based in Gallup's Singapore office.
