The phrase "advised some of the most" is correct and usable in written English.
It can be used when discussing recommendations or guidance given to a select group of individuals or entities that are considered prominent or significant in a particular context.
Example: "The consultant advised some of the most influential leaders in the industry on best practices for sustainability."
Alternatives: "recommended to several of the top" or "counseled a few of the leading".
As former chairwoman of BBH, one of the top ad agencies in the country, Gallop casually advises some of the most business- and media-savvy women in New York via Rachel Sklar's notorious "Double X in Tech" mailing list, which is how I became fascinated with her.
As the head of McKinsey & Company, the prominent consulting firm, Mr. Gupta advised some of the world's most influential people, rubbing elbows with the chief executive of General Electric, Jeffrey R. Immelt, and the former President Bill Clinton.
Now, says Challenger, Gray & Christmas, a headhunter, "we are seeing CEOs leaving under a cloud of suspected or substantiated wrongdoing .All this is unhelpful to the growth of a healthy culture, "the key to which is consistency," says Dominic Dodd of Marakon, a consultancy that has advised some of the world's most consistently successful companies, including Boeing, Dow Chemical and Lloyds TSB.
Later, Manafort advised some of the world's most notorious figures, including Philippine dictator Ferdinand Marcos and Angola guerrilla leader Jonas Savimbi.
Pollster James Delorey joined Global Strategy Group in 2000 and has advised some of America's most respected organizations, institutions and corporations.
A highly-regarded global thinker, Fawaz advises some of the world's most prominent politicians, diplomats, business executives, and government officials on geopolitical and international security issues.
Bernard Whitman, Founder & CEO of Whitman Insight Strategies and author of 52 Reasons To Vote For Hillary, is a brand and political strategist with over 25 years' experience advising some of the world's most powerful leaders, companies, and organizations.
From there, Manafort went global, scoring lucrative contracts to advise some of the world's most notorious dictators, like Zaire's Mobutu Sese Seko and the Philippines' Ferdinand Marcos — a group so disreputable that one DC non-profit labeled Manafort's firm part of a "torturer's lobby".
Her telecoms experience spans all kind of network and platforms, including mobile, fixed line and satellite, and she has advised on some of the most innovative projects affecting the telecoms market today, including network sharing, MVNOs, M2M, mobile payments, convergence and 4G/LTE.
DGS participated in the collection of the sera, LMD advised and performed some of the most complicated statistical analyses, KAB performed the Luminex analyses, and GH and HGW participated in the design of the study, collection of the sera and revision of the manuscript.
