The phrase "an individual whose major" is correct and usable in written English.
It can be used when referring to a person's primary field of study or specialization, often in an academic context.
Example: "She is an individual whose major is in environmental science, focusing on sustainability practices."
Alternatives: "a person whose field of study" or "an individual specializing in".
Here, too, there was, at the very least, the appearance of a conflict of interest; namely, Arkansas's First Lady (Bill Clinton was elected governor in 1978, soon after Hillary opened her trading account) receiving valuable advice from an individual whose major client stood to gain from favorable treatment by the state.
Shafer was awarded the 2013 Ed Nowakowski Senior Memorial Clinical Virology Award, which is given to an individual whose contributions to clinical virology have had a major impact on the epidemiology, treatment or understanding of the pathogenesis of viral diseases.
This award recognizes an individual whose lifetime body of work has left a lasting major imprint on the LGBT community.
"This is an individual whose family, whose life, whose upbringing has been about helping other people".
A saint is an individual whose "heroic virtue" is an exemplar for others.
The NASA Distinguished Public Service Medal is awarded to an individual whose distinguished accomplishments contributed substantially to NASA's mission.
A phenocopy is an individual whose phenotype, under a particular environmental condition, is identical to the one of another individual whose phenotype is determined by the genotype.
An individual whose sole responsibility is to make sure a company is innovating and constantly evolving.
Roger belongs to a generation whose major fashion statement is a protective carapace of irony.
Sylvie Courvoisier is a pianist, whose major inspiration seems to be John Cage.
He was a professor whose major research fields were aeroelasticity and aerodynamics.
