David Frenzel, Director, Construction Operations
Mr. Frenzel brings more than 20 years of experience in managing new construction, remodeling, and electrical projects throughout Alaska, Hawaii, Guam, and the western United States; with many sites located in extremely remote and isolated locations. His responsibilities include budgeting, hiring and supervising staff, and managing field construction operations to ensure program objectives are met.
Randy Rogers, Senior Program Manager
Randy Rogers has 25 years of experience in construction management and environmental remediation, including design/build construction, hazardous, toxic, and radiological waste (HTRW) cleanup efforts, underground storage tank (UST) actions, levee repairs, and landfill closures. Mr. Rogers is well known for his commitment to quality and his ability to bring a project to successful completion on or ahead of schedule and within budget.
Ahtna’s strength lies in the quality of its professional staff. The Ahtna
organizational plan to support a client’s program or project is designed to
assure that sufficient resources are always available and are directed efficiently
at the time and place required. In addition, our organizational structure provides
clear lines of responsibility, authority, communication, and accountability. In
short, the project organization is designed to get the best possible staff assigned
and functioning as a team as quickly as possible upon receipt of notice-to-proceed.
Craig O'Rourke, CHMM, Vice President and Chief Operations Officer
Mr. Craig O’Rourke has over 20 years of experience with environmental and construction program and project management. As Vice President and Chief Operations Officer, Mr. O’Rourke is responsible for the management and development of personnel and the oversight of large nationwide, regional, and local multi-million dollar contracts for various government agencies and the private sector. Mr. O’Rourke is also actively engaged in the coordination and development of multi-faceted environmental remediation, construction, and facility improvement opportunities. He has extensive experience in coordination and management of both governmental and commercial programs, and he places a major emphasis on safety and on providing AGSC clients with qualified and motivated project managers, engineers, scientists, and support personnel.
Mr. O’Rourke has an MS in Environmental Studies from Cal State Fullerton and a BA in Geography from UCLA. He is a Certified Hazardous Materials Manager by the Institute of Hazardous Materials Management.
David Fehrenbach, Sr. VP/Chief Financial Officer
As CFO, Mr. Fehrenbach brings more than 19 years of experience in project and corporate financial management. His expertise include senior management reporting; budget development; contract administration; scheduling; cash flow tracking and forecasting; review and development of client proposals; and financial management training programs. Mr. Fehrenbach maintains the corporation’s DCAA-approved accounting and procurement system compliant to all Federal regulations and policies.
Mr. Fehrenbach earned an MBA in Finance from the California State University, Fullerton and a BS in Managerial Economics from the University of California, Davis.