Former M&G Chief Investment Officer Jim Leaviss dies at 55; tributes highlight his inspiring legacy
Claudia CalichStefan IsaacsJim LeavissCancer Research UKM&G

Former M&G Chief Investment Officer Jim Leaviss dies at 55; tributes highlight his inspiring legacy

Jim Leaviss, the former Chief Investment Officer at M&G, passed away on July 23, 2026, at the age of 55. Known for his significant contributions to the investment industry, tributes highlight his expertise and the lasting impact he had on colleagues and clients alike.

bondvigilantes.com+1 source29 July 2026 · 14:47 UTC
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Jim Leaviss, former Chief Investment Officer at M&G, died on July 23, 2026, at the age of 55. His passing has prompted an outpouring of tributes from colleagues and industry peers, who remember him for his expertise, intellect, and distinctive voice in the investment community.14

Leaviss joined M&G in 1997 and dedicated 27 years to the firm, significantly shaping its Fixed Income business. He was recognized for his role in popularizing bond markets, earning the Outstanding Industry Contribution accolade at *Investment Week*'s Fund Manager of the Year Awards in 2017. M&G expressed their condolences, stating, “Everyone at M&G is deeply saddened by the passing of Jim Leaviss, our former chief investment officer, fixed income, and a highly respected figure across the investment industry.”35

His influence extended beyond his professional achievements; he was known for his engaging presence, as noted by Stefan Isaacs, co-head of macro credit at M&G, who said, “Jim was one of those rare individuals who left an indelible impression on everyone fortunate enough to work with him.” Leaviss was also celebrated for his contributions to the Bond Vigilantes blog and the Uncle Jim’s World of Bonds podcast, which became influential platforms in the industry. Claudia Calich, former head of emerging markets debt at M&G, remarked, “From that very first meeting, Jim struck me as unconventional, energetic and deeply inspiring.” The family has requested donations to Cancer Research UK in his memory.67

Key Insight
“Jim Leaviss, who joined M&G in 1997, was instrumental in shaping the firm's fixed income business, recognized for his expertise and contributions. His legacy includes the influential Bond Vigilantes blog, which he helped pioneer, earning him admiration across the investment industry.”
CuriousCats studied:
1
bondvigilantes.com
“We are very sorry to share the news that Jim Leaviss passed away on 23 July 2026, aged 55.”
bondvigilantes.com →
2
Investment WeekInvestment Week
“Fund management veteran and former M&G CIO for fixed income Jim Leaviss has died on 23 July 2026, aged 55.”
Investment Week →
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