C. Bunch

C.
Robert Bunch is currently a Director at Z-Seis Corp.
and a Trustee at The Awty International School Houston.
Former positions include Chairman & President Chief Executive Officer at Maverick Tube Corp.
from 2005 to 2006, Chairman & Chief Executive Officer at Global Tubing LLC from 2007 to 2013, Chairman at Pioneer Energy Services Corp.
from 2004 to 2008, Director at Sub-One Systems LLC, Independent Director at Olin Corp.
from 2011 to 2025, President & Chief Operating Officer at ION Geophysical Corp.
from 1999 to 2003, President & Chief Operating Officer at Tescorp, Inc. from 1985 to 1992, Chief Operating Officer & Executive Vice President at Geospace Technologies Corp., and Independent Consultant-Oil Service at Input from 2003 to 2004.
Education includes undergraduate and graduate degrees from William Marsh Rice University and a graduate degree from the University of Houston conferred in 1994.