Functioned as the lead representative responsible for overall project management and development for a copper smelter and refinery project in Indonesia.  In addition to overseeing engineering, procurement, construction, and start-up, Crescent assisted in negotiating agreements for project loans, supply and offtake, land, and in securing the approvals needed from the government, including tariff and tax support. We also headed the environmental impact statement team and was responsible for steering overall environmental policy for the project, as well as monitoring the training and recruiting effort for operations.

Led the design, procurement, construction management, and commissioning of Freeport Sulphur Company's world class Main Pass sulphur mine, located in the Gulf of Mexico, offshore Louisiana. This deep-water platform is located in 200 feet of water.

Functioned as the lead in the conception, development, process design, procurement, construction management, commissioning, and operator training for gold mines in the US (Jerritt Canyon and Big Springs).

Led the design and construction of a phosphoric acid complex in Louisiana, USA. The complex included a dock on the Mississippi River, self-unloading phosphate rock barges, phosphate rock storage, drying, and grinding.

Led the research and development work on a process to recover uranium from phosphoric acid by solvent extraction. The process was successfully developed on a bench scale and patented. Pilot scale work was completed and a plant was designed, constructed and started up successfully. A second plant was subsequently placed in operation.

Managed the development, design, construction, and commissioning of a modular Submerged Combustion sulphur distillation plant in Iraq.

Designed, managed, and commissioned a 30MW Cogeneration Plant in a Florida chemical facility.

Led the design, procurement, construction management, and commissioning of various phases of copper milling facility expansions in Indonesia. Ancillaries to the process facility included an 80 MW diesel fired power plant and a 115 KV power distribution and transmission system. This was accomplished in a remote location with logistical obstacles.

Developed, piloted, and designed a solvent extraction process for the selective recovery of molybdenum and vanadium from digested spent catalyst for Cypress-AMAX.

As an owner-representative for Freeport Copper, Crescent directed a tailings deposition study, which identified alternatives for managing mill tailings and the associated river transport.

Managed the conceptual design, specifications and testing of a management information system at a mill. Networked multiple unit operations computers running under different operating systems, utilizing a Foxboro I/A distributed control system as a data server.

Owner-representative and project manager of a 3,200 TPD Monsanto Enviro-Chem sulphuric acid plant at Freeport Chemical Company.

Crescent directed a process evaluation and feasibility study of a copper in-situ leach process for application to one of the world's largest copper oxide deposits and the largest undeveloped copper deposit in U.S.

Has developed new technology for processing refractory gold ores. We continue to provide technical guidance to gold producing operations and review of proposed mine plans with regards to future processing feasibility.

Developed a heap leach process for gold ores.

Conducted metallurgical audits of flotation circuit

Managed the design of a control and data acquisition system to monitor and report on the generation and distribution of power at various remote power plants.

Managed a project to increase the capacity of a DAP Granulation Plant by 50%.

Prepared operating manuals for power plants, sulphur production platforms, and support facilities.

Designed and piloted a circulating fluid-bed cogeneration system. Coordinated semi-works demonstration of a CFB boiler process operating on oil-impregnated diatomaceous earth feed. Coordinated survey of byproduct fly-ash market.

Developed a method of closing gypsum stacks after they had reached their capacity. This method is in use on several thousand acres of gypsum stack in Louisiana.

Managed the design, construction, and startup two fertilizer blend plants in Russia.

Developed and implemented control strategies and logic for the power plant and sulphur production wells, including a DCS controlled remote shutdown.