Citigroup Inc. Chief Executive Vikram Pandit calls him a valuable leader and trusted adviser. Chairman Richard Parsons calls him a rare breed of banker. But after 53 years with Citi, perhaps the best description for William R. Rhodes is indefatigable.

Never mind the fact that Rhodes is leaving Citi at the end of this month. Even in retirement, Rhodes, who joined Citibank in 1957 after graduating from Brown University and currently serves as senior vice chairman, plans to remain a senior advisor to Pandit, who briefly summed up Rhodes' accomplishments in a news release circulated on Wednesday.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.