The phrase "their expertise of" is grammatically correct and can be used in written English.
However, it is more common to use the phrase "their expertise in" instead. Example: The team was known for their expertise in computer programming, allowing them to develop innovative software solutions.
In return for a cut of the profits, firms can offer their expertise of running big online courses and opening lucrative foreign campuses.
The mothers take a leading role in the whales' 40-strong family groups after they stop producing eggs, and share their expertise of when and where food will be available with their younger relatives.
They were bringing their expertise of music and how to structure a music group and we were helping them with how we needed to adapt things for people with particular needs.
What's ironic is that although these people who we meet are divorce lawyers, their expertise of handling divorce does not feed into how they handle their own lives and marriages!
One of the biggest challenges companies like these face is finding ways to capitalize on their expertise of the software to take over some of the most complex operations for businesses that need a more specialized kind of deployment, but want to hand off that responsibility to someone else with core knowledge of the tools.
So instead of selling a physical software, application, or database architecture, Think Big brings their expertise of Big Data solutions to the table, brainstorms with the enterprise--the Imagine phase--to develop an organization ecosystem to see what data to analyze, which is then followed by a proposed Big Data architect solution.
E&Y employees share their expertise on behalf of the larger world community.
Our employees' salaries are based on their roles and their expertise, regardless of gender".
But the limit of their expertise was the sphere of the political.
On the technical side members contribute in areas of their expertise and discuss issues of method and evidence.
We are a group of young professionals bringing their technical expertise of environmental issues into the media and communications space.
