John McDonald Named Executive Vice President and Chief Operating Officer
(HOUSTON) – John McDonald will become ABS Executive Vice President and Chief Operating Officer as Tony Nassif has announced his plans to retire on December 31, 2021. “Tony has been an exceptional COO and operational leader across ABS and our wholly-owned subsidiary, ABS Group of Companies, Inc., for 40 years,” said Christopher J. Wiernicki, ABS Chairman, President and Chief Executive Officer. “I would like to thank Tony personally for his contributions to ABS, especially as we navigated through a global pandemic.” As part of the company’s robust succession planning process, McDonald