Robert Osborn was named Controller of Dayton Power & Light Co. As of November 6, 2026, Dayton Power & Light Co has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from April 16, 2026 to July 15, 2026, naming 3 appointments (Form 8-K, July 15, 2026).
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Dayton Power & Light Co reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-04-16 to 2026-07-15. They name 3 people. Every row below is cited to the filing it comes from, and this page adds each new change as Dayton Power & Light Co files it.
Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-07-15 | In | Controller | 8-K, 2026-07-15 | ||
| 2026-04-16 | In | Chief Executive Officer | 2026-04-15 | 8-K, 2026-04-16 | |
| 2026-04-16 | In | Chief Financial Officer | 2026-05-07 | 8-K, 2026-04-16 |
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Who leads Dayton Power & Light Co, as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Controller: Robert Osborn, appointed (filed 2026-07-15).
- Chief Financial Officer: Sherry Kohan, appointed, effective 2026-05-07 (filed 2026-04-16).
- Chief Executive Officer: Gustavo Garavaglia, appointed, effective 2026-04-15 (filed 2026-04-16).
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Find candidates like Controller at Dayton Power & Light CoEvery change, in the filing's words
Appointed: Robert Osborn, Controller
On July 10, 2026, the Board of Directors (the "Board") of The Dayton Power and Light Company, doing business as AES Ohio ("AES Ohio"), a subsidiary of DPL LLC ("DPL") and The AES Corporation ("AES"), acting through unanimous written consent, appointed Robert Osborn as Controller and principal accounting officer of AES Ohio.
- Sherry Kohan, who had been serving as Vice President, Chief Financial Officer, and Controller, and designated principal accounting officer of AES Ohio, will continue in the role of Vice President and Chief Financial Officer of AES Ohio.
- Mr. Osborn, 44, previously served as Director of Revenue Accounting, Internal Controls and Finance Transformation of the AES US Utilities, including AES Ohio, DPL, IPALCO Enterprises, Inc. ("IPALCO") and Indianapolis Power & Light Company, doing business as AES Indiana ("AES Indiana"), since March 2025 and Director of Internal Controls and Finance Transformation of the AES US Utilities from August 2024 to February 2025.
- Mr. Osborn also serves as an officer of other AES affiliates, including as Controller and principal accounting officer of DPL, IPALCO and AES Indiana since July 2026.
- Prior to rejoining AES in June 2024, Mr. Osborn served as Corporate Controller of USIC from July 2023 to June 2024.
- Mr. Osborn initially joined AES in August 2013 and held various positions of increasing responsibility in the accounting and finance organizations of the AES US Utilities, including serving as Assistant Controller of the AES US Utilities from March 2021 to July 2023.
- Prior to that, Mr. Osborn held various roles in accounting capacities at Stanley Black & Decker, Constellation Energy and PricewaterhouseCoopers.
Appointed: Gustavo Garavaglia, Chief Executive Officer, effective 2026-04-15
On April 15, 2026, the Board of Directors (the "Board") of The Dayton Power and Light Company, doing business as AES Ohio ("AES Ohio"), acting through unanimous written consent, appointed Gustavo Garavaglia as Chief Executive Officer of AES Ohio, effective April 15, 2026.
Appointed: Sherry Kohan, Chief Financial Officer, effective 2026-05-07
The Board also on April 15, 2026, through unanimous written consent, elected Sherry Kohan as Vice President, Chief Financial Officer and Controller, and designated her as principal accounting officer, of AES Ohio, effective May 7, 2026.
- Thomas A. Raga continues to serve as President of AES Ohio.
- Mr. Garavaglia replaces Kenneth J. Zagzebski, who had mutually determined with AES Ohio to cease serving as Chief Executive Officer and be appointed to serve as Executive Chairman of the Board, also effective April 15, 2026.
- Mr. Garavaglia will also continue to serve in the roles of Vice President and Chief Financial Officer, and designated principal accounting officer, of AES Ohio until Ms. Kohan's appointment is effective.
- Mr. Garavaglia, 40, has served as Vice President and Chief Financial Officer of AES Ohio since rejoining AES Ohio in April 2024 and will continue in such roles until Ms. Kohan's appointment is effective.
- Prior to rejoining AES, Mr. Garavaglia served as Chief Financial Officer of Vale Base Metals, a mining company, from April 2022 to April 2024.
- Prior to joining Vale, Mr. Garavaglia spent twelve years at AES, serving as Chief Financial Officer of IPALCO and AES Indiana from November 2018 to March 2022.
- Mr. Garavaglia also was a member of the Board of Directors of AES Indiana from March 2019 to April 2022 and served as a director or officer of other AES affiliates, including as Chief Financial Officer of AES Ohio and DPL.
- Prior to that, Mr. Garavaglia held several other positions while at AES.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.