KAHUNA Ventures

Gary Davis

John Rheinheimer P.E

Scott Schamp P.E.

Gregg Kostelecky

James Fleak P.E.

Gary Davis


Gary brings his vast experience as a Business Developer, Project Manager, and Engineer to his role of president of KAHUNA VENTURES. With more than 32 years of experience in all phases of the natural gas industry. He started his career as a Plant Engineer at Marathon Oil Company and then went on to serve as a Corporate Officer for Western Gas Resources, Inc. for over 14 years. After leaving a very successful career at Western Gas, Mr. Davis founded and successfully built KAHUNA VENTURES from a start-up company to a significant player in the engineering and midstream sector of the natural gas industry. His extensive background in the design, construction and operation of sour gas facilities includes gathering, treating, processing and sulfur recovery systems, including installation of the first Sulfreen tail gas unit in the United States. Gary is known for his technical expertise and industry leadership and His extensive experience is sought after throughout industry. Gary is a respected expert witness and public speaker, and is the holder of two industry-related patents.

Gary founded KAHUNA Ventures LLC in 1999, a natural gas processing, treating and project-consulting firm. KAHUNA Ventures currently has 40 employees, including 20engineers and 7 field construction managers or inspectors. KAHUNA Gas, LLC (also founded in 1999) completed a design, build, own and operate project in Wayne County Mississippi during 2000. The facility was designed to treat 25 MMSCFD of sour gas containing 20% H2S. KAHUNA Gas owned and operated the facility until July, 2004 when it was sold.

Recently Gary served as the Senior Project Manager for several projects in the Woodford Shale in SE Oklahoma. The projects included the relocation and refurbishment, installation, startup and operation of two cryogenic turbo-expander plants including CO2 treating facilities and extensive gas gathering systems, as well as, a DOT regulated NGL pipeline and two DOT regulated gas pipelines. Total capacity of the two processing facilities is 100 MMSCFD.

Gary earned his Bachelor of Science degree with honors from the Colorado School of Mines (CSM) in May of 1978 in Chemical and Petroleum Refining Engineering.

John Rheinheimer P.E.

Vice President, Project & Construction Management

John has more than 20 years in the Oil and Natural Gas Industry. He earned his degree from Colorado School of Mines in Mechanical Engineering, with a Minor in Civil Engineering. He began his career in 1989 serving in Exploration, Production, & Midstream Engineering roles with ARCO Oil and Gas Company before moving to Western Gas as a Sr. Project Manager in 1996. He joined KAHUNA as a Partner in 2002 and brings his vast experience as a Business Developer, Project Manager, and Engineer to his current role as the Director, Client & Project Services of KAHUNA VENTURES.

John’s experience on projects exceeding $80 million a year in capital budget throughout the Gulf Coast, Mid-Continent, Rocky Mountain Regions and the current Shale Plays have included the design and installation of a USCG Certified vapor destruction system at an inland water barge loading facility to 40-80+ MMCFD treating and processing facility to gathering, compression and dehydration system. As well as his proven track record, in the Powder River Basin, using the Canadian modular concept to design and install over 150,000 hp of compression, dozens of dehydration and metering skids, and hundreds of miles of high and low pressure gathering lines. In addition to his current role as Director he has recently served as the Project Manager for an 80MMCFD Cryo Facility in The Barnett Shale, several refrigeration facilities in The Eagleford Shale and gathering and Compression Facilities in the Marcelus Shale.

John’s business experience and well diverse Oil and Gas engineering and operating knowledge has been instrumental in making KAHUNA one of the most respected Consulting Firms in the industry.

Scott Schamp P.E.

Vice President, Process & Project Engineering

Scott has over 20 years of Gas Processing, Design & Engineering experience in the Oil and Gas Industry. He earned his degree from Colorado School of Mines in Chemical Engineering, with a Minor in Business Management. Scott began his career in 1989 with The M.W. Kellogg Company as a Process Engineer in the Gas Processing group where he was involved in the front end engineering design for several treating and processing projects. He then went to work as a Project / Process Engineer for Western Gas Resources in 1994. At Western Gas he performed full engineering design, installation and start-up on numerous facilities including compression, refrigeration plants, treating, and sulfur recovery. In 2000, Scott joined KAHUNA as a Partner and brought with him extensive project management, processing, plant design, installation and start-up experience that is utilized daily in his role as Director, Process & Project Engineering. Since joining KAHUNA he has performed Process Design, Mechanical Design, Process Hazard Analysis, Control System Design and Programming, Regulatory Compliance, installation, and Start-up for numerous facilities including cryogenic, refrigeration, acid gas removal , H2S injection, and gas gathering and compression in the Baaken, Woodford, Barnett, Haynesville, and Marcellus shale plays as well as more conventional fields across the country.

Scott is also the President for KAHUNA Operations Management which currently operates 5 facilities located in 3 states and has 22 employees.

Scott currently holds PE Licenses in Colorado, Alaska, New Mexico, and Utah.

Gregg Kostelecky

Vice President, Electrical & Instrumentation

Over 16 years as an Electrical Engineer & 8 years as an Electrician. Has the technical and hands-on knowledge necessary to design and manage the installation of electrical and instrumentation systems, including cost estimates, design, procurement, and installation along with supervising electrical engineers and electrical & instrumentation specialists. Gregg has held his North Dakota Master Electrician since 1986.

James Fleak P.E.

Director, Environmental Safety and Regulatory Compliance

over 26 years experience with diversified energy companies involved in natural gas gathering, E&P, gas processing, gas transmission and storage, electric utility distribution, power generation and energy management/conservation. James has designed and managed environmental compliance for various types of sites including E&P production, gas gathering compressor stations, gas processing plants and liquids storage, gas transmission compressor stations, above ground and underground gas storage sites, and power generation sites (simple cycle and combined cycle gas-fired turbine power generation, coal-fired steam generating sites and nuclear generating sites).. Duties included environmental auditing; state and federal air permitting (CAA); Underground Injection Well, NPDES waste water and storm water permitting (CWA); FERC permitting, Endangered Species consultation; Section 404 Army Corps of Engineers permits, solid waste permitting (RCRA); asbestos inspection and management plan services; onshore SPCC and offshore OSRP plan preparation; SARA Tier II reporting; bioremediation plan approval; and groundwater plan renewals/approvals for facilities including natural gas pipeline transmission, storage field, production plants, gathering facilities, power plants, military base housing, textile mills, auto assembly plants and chemical finishing plants.