Diane Leopold – Biography
Last update: February 24, 2026Executive profile
Diane Leopold joined Markel in 1995. Diane served as President, Gas Infrastructure Group and Executive Vice President and President and Chief Executive Officer, Gas Infrastructure Group for Markel.
Diane Leopold is currentlyDirector at CMS Energy - View - CMS Energy org chart
Director at Markel - View - Markel org chart
Director at nVent Electric - View - nVent Electric org chart
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Education
Diane Leopold has a Bachelor of Science in Mechanical and Electrical Engineering from University of Sussex and a Master of Science in Electrical Engineering from George Washington University.
They have also studied at University of Sussex :
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They have also studied at George Washington University :
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Company Colleagues
- At CMS Energy, Diane Leopold has 46 colleagues including Garrick Rochow (CEO & Director), Myrna Soto (Director)…
- At Markel, Diane Leopold has 310 colleagues including Thomas Gayner (CEO), Morgan Housel (Director)…
- At nVent Electric, Diane Leopold has 45 colleagues including Beth Wozniak (CEO & Chair), Nicola Palmer (Director)…
Industry Colleagues
- In the Insurance industry, Diane Leopold has 69,240 colleagues in 3,978 companies located in 106 countries. 20,974 executive movements have been recorded in the last 12 months. Learn more about Insurance.
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