Meet the Team
Meet the Speedie & Associates leadership team! Our firm is led by an executive team of four owners, each a registered professional engineer in the State of Arizona supported by 135 professional and technical staff statewide. This support staff includes Regional Managers for Northern and Southern Arizona, Division Managers for our four pillars of practice, and an incredible team of talent in our offices, laboratories, and our boots on the ground team of certified field technicians and construction inspectors.
Gregg A. Creaser, P.E., R.L.S.
Division Manager, Geotechnical Services
Mr. Creaser oversees the geotechnical consulting engineering services provided to clients in the private sector and for state, county, and municipal agencies.Full Bio
Brett P. Creaser, P.E.
Senior Vice President/CFO
Mr. Creaser serves as a business partner with strategic and operational focus for the firm. His responsibilities include technical, administrative, and financial oversight of the firm's field services, process controls, and operations.Full Bio
Donald L. Cornelison, P.E.
Division Manager, Laboratory Services
Mr. Cornelison is responsible for all administrative and technical activities of the central Materials Testing Laboratory.Full Bio
JASON C. WELLS, P.E.
Division Manager, Field Services
Mr. Wells is responsible for the administration and execution of all Construction Materials Testing and Inspection services performed by the firm.Full Bio
Tim Rheinschmidt, R.G., C.R.S.
SENIOR PROJECT MANAGER
Division Manager, Environmental Services
Mr. Rheinschmidt oversees all environmental projects for the firm in addition to performing geotechnical and environmental assessments for both public and private entities.
CLAY SPENCER, R.G., C.R.S.
NORTHERN ARIZONA REGIONAL MANAGER
Sr. Project Manager - Geotechnical Services
Justin Manchester, CSI/CWI
Southern Arizona Regional Manager
Business Development Manager
Bridgette Blair, AZED Pro
Marketing and Communications Manager
In March of 1977, Mr. Creaser joined Speedie & Associates' predecessor firm, Halpert Associates as a Staff Engineer and transitioned with them when they became Speedie & Associates in 1980. In 1982, Mr. Creaser became a Registered Professional Engineer in the State of Arizona. Over the following years, Mr. Creaser was promoted to Project Engineer, Manager and ultimately Geotechnical Division Manager. During that period, he was involved in all areas of service the company provided. This included construction materials testing and inspection, lab testing, civil engineering (grading, drainage, and utility design), construction staking, environmental services in addition to full responsibility for geotechnical engineering services throughout the entire time period. He was promoted to Corporate Vice President and became a minority shareholder in 1995.
Together with three partners, Mr. Creaser is a major shareholder and principal owner of the organization which was purchased outright from the previous owners in February of 2001.
becoming Laboratory Manager by 1983. Mr. Creaser became a full-time employee in 1983, and at that time assumed Senior Field Technician and Special Inspector duties on several large-scale construction projects.
In 1984, Mr. Creaser received his Bachelors of Science Degree in Civil Engineering, at which time was elevated to Field Services Manager, where he performed and supervised extensive field and laboratory testing and inspection of construction for many major civil and public works projects, transportation projects, commercial/industrial, school and hospital projects. In 1987, Mr. Creaser became a Registered Professional Engineer in the State of Arizona, and continued his technical and administrative duties within the Field Services Division, as well as planning, promoting and leading the Divisions growth. He was promoted to Corporate Vice President and became a minority shareholder in 1995, and continued to actively participate in the, operation, and growth of the firm.
In February of 2001, Mr. Creaser, in concert with the three division managers, purchased the firm from its founders. Mr. Creaser is now a major shareholder and principal of Speedie & Associates.
Mr. Cornelison's career started in 1976 where he worked as an Engineering Technician for ATL Testing Laboratories performing laboratory and field testing on construction materials around the State of Arizona for numerous clients including the FAA, BIA and the Bureau of Reclamation. In 1979 he joined Nesbitt Contracting/Century Materials as Quality Control Manager. His responsibilities included managing the laboratory and directing the activities of the various technicians. He developed a comprehensive quality control program for both commercial and out of town operations and was responsible for ensuring the quality and consistency of materials crushed and processed for major projects around the state. In 1984, Mr. Cornelison joined United Metro Materials (a Tanner Companies Division) as Asphalt Manager, responsible for overseeing the daily operation of the Central Materials Testing Laboratory.
In 1989, Mr. Cornelison became a Registered Professional Engineer in the State of Arizona and joined Speedie & Associates as a Division Manager. In this capacity, he was responsible for management of all administrative and technical aspects of the Materials Testing Laboratory and Process Control Testing Departments, including; client relations, bid preparation, implementing and maintaining technical testing and document control, coordination with field, laboratory, and equipment managers, and preparation and review of technical reports. In 1990, he accepted a position as General Manager and Director of Technical Services of the Chandler, Arizona office of Kajima Engineering and Construction, Inc. There, he directed a staff of more than 40 employees involved in Materials Engineering and
Testing, Geotechnical Engineering, and Environmental Engineering and Remediation. Mr. Cornelison returned to Speedie & Associates in 1995 as Laboratory Division Manager.
In 1999, he was promoted to Vice President and became a minority shareholder. Together with three partners, Mr. Cornelison became a shareholder and principal owner in the organization upon purchase of the company in February of 2001.