The word "specializing" is correct and usable in written English.
You can use it when talking about the act of focusing on one particular area or skill. For example: She is specializing in marketing and hopes to gain a better understanding of the industry.
Until the last few decades, the only strong effort to exhibit this art in galleries or museums was made by those few institutions specializing in ethnological, exotic, or art history subjects, together with the rare specialized museum devoted only to Indian materials or to those of the American West.
At the same time, new specialized or technical institutions such as the Fachhochschule, a higher technical college specializing in a single discipline, such as engineering, architecture, design, art, agriculture, or business administration, have been created.
"Think of it as specializing in any field".
Yet Giovanni Sarti, a Paris dealer specializing in early Italian art spoke for many when he said, "There is always jewellery at the Biennale and that is good, but now it is too prominent".
Rolling Stone's Michael Hastings scores another coup:The U.S. Army illegally ordered a team of soldiers specializing in "psychological operations" to manipulate visiting American senators into providing more troops and funding for the war, Rolling Stone has learned – and when an officer tried to stop the operation, he was railroaded by military investigators.
He and Watson currently are senior partners with Alliance Management Group, a consulting firm specializing in deals for clients in a range of industries.
New residents have created a diverse pattern, sometimes concentrated in certain districts, such as the Muslim quarter that grew up during the 1970s north of La Canebière, and sometimes specializing in particular trades or professions.
He later helped shape foreign policy for the U.S. Department of State (1981 82), specializing in Middle Eastern affairs and serving as a delegate to an Egyptian-Israeli conference on Palestinian autonomy.
Merrill, Lynch & Company prospered by specializing in underwriting the securities of chain stores.
Institut Géographique National (IGN), one of the foremost centres of mapmaking and geographic research in France, specializing in aerial and ground surveys and maps; it is located in Paris.
After seeing Strand's negatives, Adams decided to pursue photography as a profession, specializing in photographing Western wilderness areas such as Yosemite National Park and the Sierra Nevada mountain range.
