Diamond Z’s Management Team
Clients turn to Diamond Z Engineering time and again for proven results – successes that are a direct reflection of our team’s industry-leading experience, knowledge and market insight. Contact Diamond Z Engineering and you get the best minds in the business, shaped by a strong work ethic and led by a visionary group of managers.
W. DARRIN HAGLER, PE
A professional engineer, who has spent his lifetime in the petroleum business, Darrin began his career with BP Oil. He narrowed his focus, gaining extensive construction experience that has led to his expert consultation on and management of large-scale refueling projects focusing on large commercial and retail sites.
DANN R. STAPP, PE
Dann also worked for BP Oil, with a major focus in the retail gasoline facilities division. Over the years, Dann has been personally responsible for hundreds of service station design, construction, re-image, and environmental projects across the United States. Additionally, Dann has managed the image conversions of numerous QSR facilities.
JASON R. STAPP, PE
Jason began his career as a design engineer which served as the foundation for his role in service station design and engineering. Jason’s design understanding has now been complemented with field construction and maintenance experience with retail and commercial refueling facilities. Currently Jason head’s up the company’s pipeline and terminals group focusing on midstream projects.
A business graduate of Bowling Green University, Bob also has been in the convenience store and petroleum industry his entire life. Bob has extensive experience with project management, retail fuel construction, and critical path inspections, delivering results for every customer.
GAYLE L. ZOLDAK
Gayle provides design and engineering services for the construction of retail and commercial refueling stations. With 20-plus years in the industry, she has a wide range of experience in design graphics including architectural, civil, mechanical, and detail design drawings. Gayle is responsible for the complete development of permit and construction drawing sets. Additional responsibilities include office management, client interface, maintaining office systems, and staff operations.