"invited expert" is correct and usable in written English.
You can use it when referring to an individual who has been invited to contribute their expert knowledge or opinion on a topic, such as a speaker at a conference or a consultant asked to review a project. For example: "The company hired an invited expert to review their customer service policies."
He has been an invited expert speaker and judge for many competitions focusing on innovation and novel therapies, including events at Harvard, Google, and Autism Speaks.
From 2011 until 2017, Boaz was an invited expert to the W3C where he started the Games community group, outlining a roadmap for "open web games", and contributed to the web-platform-tests initiative.
He holds a first class honors degree in Computer Science from Trinity College Dublin and served as an invited expert to the W3C special interest group that created the XML standard in 1996.
He has been an invited expert to the UK's House of Lords on issues of surveillance and tracking, sat for 3 years on the W3C's usable security working group, and has spoken often at industry conferences on issues of technology and security.
She was an invited expert to the W3C E-Government Interest Group and the W3C Government Linked Data Working Group.She holds a Bachelors of Arts (BA) in computer science from Brown University, and a Masters in Library Information Science MLISS) from Rutgers University.
Valery Komissarov is a portfolio manager at Skolkovo Foundation, where he supports aerospace and drone startups with business development and fundraising, and invited expert on next-gen space technology at Roscosmos, Russia's space agency.
Bredekamp invited experts from fourteen institutions to Berlin.
The academy has invited experts to discuss the idea Tuesday.
Approximately 100 invited experts including physicians, engineers, and operating room personnel attended the workshop.
A reputation-rating system gives serious users' votes more weight; invited experts get even more.
Tired and taxed, she has invited experts from many backgrounds to try their luck at prophecy.
