Corporate Board Profile
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| Filing Date | Source Excerpt |
|---|---|
| 2012-04-11 | Mr. Johnston has been a management consultant with Tonn & Associates, a management consulting firm, since 1993. |
| 2013-04-08 | Marlin W. Johnston has served on our Board since 1992. Mr. Johnston has been a management consultant with Tonn & Associates, a management consulting firm, since 1993. |
| 2014-04-11 | Marlin W. Johnston has served on our Board since 1992. Mr. Johnston has been a management consultant with Tonn & Associates, a management consulting firm, since 1993. |
| 2015-04-09 | Mr. Johnston has been a management consultant with Tonn & Associates, a management consulting firm, since 1993. |
| 2016-04-07 | Marlin W. Johnston has served on our Board since 1992. From 1980 through 1988, Mr. Johnston served as Commissioner of the Texas Department of Human Services. |
Data sourced from SEC filings. Last updated: 2025-10-11