The phrase "mentorship of" is correct and usable in written English.
You can use it when talking about the guidance or instruction that is provided by one person to another, usually more experienced person. For example: "The mentorship of my supervisor has been invaluable in helping me to develop my professional skills."
The US has renewed its mentorship of the Iraqi military it built during the 2003-2011 occupation.
It's a message that she has delivered in speeches at historically black colleges and in her mentorship of girls.
The winner, Alena Zhandarova of Russia, received $1,000 and the mentorship of the Luceo photographer of her choice.
He earned both a commission and the longtime mentorship of Andrew Jackson while fighting in the War of 1812.
Mr. Gudjonson's project, conducted under the mentorship of Maurice Kernan at the Molecular Biology and Genetics laboratory at SUNY Stony Brook, entailed its own squish test.
If the rise of Bernard B. Kerik under the mentorship of Rudolph W. Giuliani was meteoric, the speed of his fall was breathtaking.
Under the mentorship of a sharp-tongued young prostitute named Doll Higgins, Mary too becomes a "Miss" on the rough streets of London's red-light district.
It's not much of a spoiler to note that, with his wise and devoted (and technically wondrous) mentorship of Peter, Stark is also the hero of the tale.
Her translations of librettos, editions of Weill's music and correspondence, mentorship of performers, and passionate advocacy for the composer's oeuvre live on as lasting monuments.
Under the mentorship of their teacher, the illustrator Howard Pyle, they earned commissions from the nation's most prestigious periodicals, including Collier's and The Saturday Evening Post.
In his career Bob was known for his scholarly interest, his mentorship of younger attorneys, and his firm's commitment to ethical practice.
