Douglas L. Rock

Director, Trinity Industries.

Companies

Arcosa, Inc.Board member Nov 8, 2018 to Oct 4, 2022¹
Trinity IndustriesBoard member Sep 13, 2010 to Oct 2, 2018²
MoneyGramBoard member Jan 4, 2006 to Jan 3, 2008³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARArcosa, Inc., Board member
2
SEC EDGARTrinity Industries, Board member
3
SEC EDGARMoneyGram, Board member