Mark Mroczynski – Biography
Last update: May 2, 2026Executive profile
Mark Mroczynski is currently
President, Transmission at FirstEnergy - View - FirstEnergy org chart
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The colleagues of Mark Mroczynski
Company Colleagues
- At FirstEnergy, Mark Mroczynski has 49 colleagues including Brian Tierney (CEO & Chairman), Jim O'Neil (Director)…
Industry Colleagues
- In the Utilities industry, Mark Mroczynski has 20,053 colleagues in 937 companies located in 90 countries. 10,094 executive movements have been recorded in the last 12 months. Learn more about Utilities.
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