Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2007-04-30 | Mr. Mahaffey graduated from Ohio State University with a B.S. and M.S. in Petroleum Engineering and has managed personal investments since retirement. |
| 2008-07-03 | Mr. Mahaffey graduated from Ohio State University with a B.S. and M.S. in Petroleum Engineering and served in the United States Air Force. |
| 2009-04-03 | Mr. Mahaffey graduated from Ohio State University with a B.S. and M.S. in Petroleum Engineering and served in the United States Air Force. |
| 2009-04-23 | 1. Election of the following nominees to the Company’s Board: James C. Mastandrea and Jack L. Mahaffey |
| 2009-05-04 | Jack L. Mahaffey Independent Trustee Chairman of Compensation Committee Chairman of Special Committee |
| 2010-04-30 | Mr. Mahaffey graduated from Ohio State University with a B.S. and M.S. in Petroleum Engineering and served in the United States Air Force. He is a former board member of the National Coal Association and the National Coal Counsel. |
| 2011-04-01 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2012-04-10 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2013-04-10 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. Mr. Mahaffey served in the United States Air Force and is a former board member of the National Coal Association and the National Coal Counsel. |
| 2014-03-28 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2015-03-30 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2016-03-30 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2017-03-30 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. Mr. Mahaffey served in the United States Air Force and is a former board member of the National Coal Association and the National Coal Council. |
| 2019-04-04 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2020-04-03 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
| 2021-04-02 | Mr. Mahaffey was formerly the President and Chief Executive Officer of Shell Mining Company. Since retiring from Shell Mining Company in 1991, Mr. Mahaffey has managed his personal investments. |
Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-03-22