(713) 234-0018

2900 North Loop West, Suite 100, Houston, TX 77092

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EXECUTIVE LEADERSHIP

Professional | Local | Experienced

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CHARLES ZUBE

President
Project Executive

As a founding member, Charles brings 40+ years of medical buildouts, renovations and hospital expansions experience to the Endurance team.  He serves as Project Executive for multiple team members.
Direct: (713) 202-1585

TOM FLAHERTY

Vice President
Chief Financial Officer

Tom has been overseeing and providing financial advisement for 25+ years in the Houston construction industry.  He's an active member of RDA and other organizations throughout the greater Houston area.
Direct: (713) 206-1831

JIM RITSEMA

Vice President
Chief Estimator

Jim leads the preconstruction team and manages estimates from conceptual through to final construction documents.  His 40+ years encompasses interiors, ground-up, medical & public works projects.
Direct: (281) 728-2532

BOB FLOWERS

Vice President
Sr. Project Manager

Bob as a founding member, has worked and built projects in Houston his entire 39+ year construction career.  He started within facilities at TMC and has worked on projects ranging from medical to interior buildouts.
Direct: (713) 320-8932

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JUSTIN ROBERTS

Vice President
Sr. Project Manager

Justin's experience covers corporate interiors and multi-floor buildouts.  As a founding member, he has extensive knowledge and relationships with many of the property managers in Houston.
Direct: (281) 900-9290

STEPHEN CRAWFORD

Vice President
Sr. Project Manager

Stephen's career started as a superintendent and has grown into a founding member of Endurance.  He manages projects ranging from corporate interiors to hospitality / restaurants.
Direct: (713) 205-0632

JIM TWILLEY

General
Superintendent

Jim's 49+ year reputation for training the best superintendents in Houston is matched by no other.  He ensures safety measures are followed and that all jobsites are clean and running efficiently.
Direct: (713) 806-0336