Corporate Board Profile
| Filing Date | Source Excerpt |
|---|---|
| 2007-04-30 | Mr. Graff, age 60, is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2008-04-30 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2009-04-24 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2010-04-14 | Mr. Graff is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2011-04-15 | He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2012-04-13 | He received his undergraduate degree in Economics from Boston College and his post-graduate degree in Accounting from Northeastern University. |
| 2013-04-12 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2014-03-31 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2015-03-31 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2016-04-01 | Mr. Graff has served as a director since June 2007. |
| 2016-09-23 | Directors: Richard P. Graff |
| 2017-04-05 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP where he served as the audit leader in the United States for the mining industry. |
| 2018-04-16 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP. |
| 2019-03-26 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP. |
| 2020-04-08 | Mr. Graff has served as a director since June 2007. He is a retired partner of PricewaterhouseCoopers LLP. |
| 2021-04-02 | Mr. Graff has served as a director since June 2007. |
| 2022-03-31 | ...over 35 years of experience in public company accounting and consulting on public company accounting policy and practice. |
| 2023-03-28 | Mr. Graff has over 35 years of experience in public company accounting and consulting on public company accounting policy and practice. |
Data sourced from SEC filings. Last updated: 2025-04-15