David Bruce McMahan’s Business Experience

Dr. David Bruce McMahan is the President and CEO of the Centaur Funds Group, based in Greenwich, CT.

He is also the Chief Executive Officer of the McMahan Securities Co. L.P., based in Greenwich, CT., (since 1988).

In 1984 he founded the La Hacienda Corporation, and was the president and sole to shareholder until 1988. Doing business as “Hacienda Don Emilio,” the corporation had two restaurants, the Hacienda Don Emilio in Larchmont, NY with 170 seats and the even larger version in Stamford, CT. Both restaurants served a regional Mexican Cuisine.

In 1985 he founded Venturi Technologies, Inc., and was the principal shareholder. Venturi marketed a revolutionary venturi-based low pressure pneumatic conveying technology utilizing auger and pressure differential feed systems. This technology conveyed, on air with a minimum of contact with conveying surfaces, a broad range of powder and bulk solid materials from cement to plastics, coal to grains, for distances up to several thousand feet. The system was tested in 1987 by the U.S. Department of Agriculture for certification of low degradation in the conveyance of grains at high tonnage rates. In addition, the Firm applied for patents on a ram booster device invented by McMahan to solve critical problems in conveying longer distances and also to facilitate vertical feed applications in maritime as well as land-based operations. Venturi will come to a close in 2009.

McMahan founded Responsive Security Analysis Services, Inc., in 1977, and is President and Sole Shareholder. He wrote more than 300 computer program between 1971 and 1977 that enabled the user to manage complex convertible, option, warrant, and preferred stock positions, alone or in combination with common stock positions. The system included opportunity report generators, portfolio management systems and technical market timing indicators. The entire system continues to be commercially marketed world-wide by Service Bureau Company – a division of Control Data Corporation.

In partnership with U.S. Resources, Inc., McMahan explored and drilled 25 oil wells in the “Dime Box” area near Giddings, Texas. The first three wells were dry, the next 22 were commercial producers. Most of these wells continued to produced oil and gas. Later explorations included Louisiana, Oklahoma, Alabama, Ohio, and Missouri, with an additional 25 wells drilled. Since 1978.

Bruce McMahan was a limited partner at Bear Stearns & Co from 1976 to 1980.

McMahan was the director of Institutional Options sales at Paine Webber, Inc., in New York from 1974 to 1976.

McMahan was the Managing Director for Genesis, S.A., in Luxembourg, from 1969 to 1974. He was responsible for evaluating, recommending and negotiating finalization of international venture capital investments in Europe and the Caribbean areas. He managed Firm capital in the U.S. securities Markets, specifically convertible bonds, options, equities and warrants. Disciplines included portfolio diversification techniques, foreign exchange strategies, international tax planning, computer modeling and the assessment of foreign political and legal environments.

From 1962 to 1968 McMahan owned and operated a 32-boat fleet that specialized in the procurement of Abalone in Mexico and California. The Firm operated a cannery in Ensenada, B.C., Mexico, and freezing plants in El Rosario, B.C., Mexico, San Pedro, California and Santa Barbara, California. He supervised staff of specialists responsible for professional diving practices, decompression chamber operations (the first such facility in Mexico), commercial vessel operations and procurement. Conducted analyses of the impacts of proposed legislative and regulatory actions on the Abalone industry and trade, and served as advisor to the fishing cooperatives in Baja California on these issues.

From 1960 to 1962 McMahan owned and operated two of the McMahan family’s furniture stores in California. He coordinated buying, advertising, credit policies and sales procedures within these two stores’ operations.