The phrase "array of specialties" is correct and usable in written English.
It can be used to describe a diverse range of skills or areas of expertise within a particular field or profession.
Example: "The conference featured an array of specialties, including cybersecurity, data analysis, and software development."
Alternatives: "variety of specialties" or "range of specialties".
This was showcased in thirteen presentations by speakers from a diverse array of specialties and institutions.
Compulsive and a workaholic, she steeped herself in an array of specialties: financing, construction, social services and neighborhood-assuagement.
The American College of Lifestyle Medicine has 150 members in a wide array of specialties — nutritionists, ophthalmologists, gastroenterologists and oncologists, among others.
Furthermore, there is a broad array of specialties.
Over their lifetime, survivors will see health care professionals from an array of specialties and disciplines.
But instead of confronting this reality, we continue to tack on requirements to grade-school students to try to prepare them for an array of specialties that they may never consider.
Before 1900, American shoppers purchased their groceries through a wide array of specialty shops and general stores.
But behind the shop doors lies an array of specialty items, art and design, reminding visitors of the city's blend of things simultaneously historic and modern.
The bar offers an array of specialty drinks, many of them involving lime juice; teetotalers might try the bracing, nonalcoholic limeade.
At growinglifestyle.com, the high-end "3-in-1 Portable Backpack Chair" ($37.99) was tempting for its array of specialty features.
The stadium also has a dizzying array of specialty seating: there are the loge seats in one corner, with cutlery and waiter service; two stacked levels of suites; the Calvin Klein Courtside Club; the TicketsNow Club; the Honda Club; and the 40/40 Club.
