Your Trusted Partner for Technology Driven Energy Projects

With an average of more than 35 years in the energy industry, the experience, leadership and innovation of our team is unrivaled.
Paul Switzer
Mr. Switzer has more than 40 years of experience in the engineering and construction industry. He began his career in 1975, serving in a variety of project development, project execution and senior management positions. Mr. Switzer joined IAG in 2001 as a Senior Executive and was promoted to Executive Vice President in 2005. In 2010, he took on the position of President reporting directly to the Chairman and Chief Executive Officer. Mr. Switzer was elected to his current position Chairman of the Board of Directors in February 2017.

During Mr. Switzer’s tenure, IAG has become a preeminent source for global engineering and project services focused on the oil and gas industry and has executed more than 300 projects totaling over $5B total installed cost.
Paul Westberry
Twenty-six years’ of heavy industrial experience in operations, business development, and project management within the refining, chemical, manufacturing, pharmaceutical and mining industries. As President of IAG, Paul Westberry is responsible for leading client relationships focused on value creation, innovative project delivery and growth. Prior to joining IAG in 2017, Paul served Jacobs Engineering Group, Inc. for 26 years where he had an outstanding leadership track record as demonstrated by his innovative client-focused approaches for complex projects. His approach, combined with his drive to exceed expectations in project delivery, created value for customers on a global basis.
Terry Albers
EVP, Operations Manager
Thirty years experience in project controls, services and operations roles for small-to-large-scale, complex grassroots and/or revamp EPC projects in the refinery, gas processing, petrochemical, power generation fields and in the steel mills. Responsibilities have included department management, project planning and scheduling, project cost control, cash flow projections, change order management, estimating, project organization, and material planning. Terry has been with IAG for five years serving in both project execution and company management roles. Previous experience include project services management roles at other energy E&C companies.
Gene Cotten
EVP, Business Development/Operations
Over thirty years of expertise in operations and strategic development of refining facilities. Previous served as plant(s) manager, operations manager, strategic planning and commercial acquisition/ divestment teams, director of major projects, project management, director of process engineering. Specialized in major projects management and continuous improvement of facilities through reduction in operating cost and strategic deployment of capital. Developed scope and executed $2B of capital project improvements at various facilities; developed scope and execution of two $1B capital projects to modernize domestic and international facility.
Price Chumley
VP, Director of Projects
Thirty-two years of project execution experience in petroleum refining and offshore segments, petrochemical, chemical, and power industries.  Responsibilities have included overall project management, owner’s representation, project controls, estimating, procurement and contract administration relating to the development, design, construction, and turnover of process units and complete facilities.  Has domestic and international experience with assignments in the United States, Eastern and Western Europe, Asia Pacific, South America, and the Caribbean Basin.  Has experience directing multiple managers on multiple continents.  Experienced on large international venture projects with satellite office startups. Participated in operating unit’s leadership teams, managing profit and loss.  Related accomplishments include the acquisition and integration of several Northern European companies for a global engineering and construction company.
Previous employers include Litwin E&C, Jacobs, ABB Lummus and ConocoPhillips
Jim Casillo
VP, Administrative Services
Over 30 years experience in contracts management and subcontracts administration, purchasing, and logistics and materials management of major construction projects.Solid commercial contracting skills- negotiated and administrated both prime and subcontracts for CM and EPC projects in domestic and international market sectors, including insurance-related. Experienced in private industries and government programs, with an emphasis on administration and management of corporate and departmental policies, procedures and operations. Recent experience includes international and domestic grassroots projects (both TIC’s >$800MM), international and domestic revamps projects (TICs ranging $1 to $250MM) and multiple worldwide turnaround projects.
Jim Woodard
VP, Technical Services
Forty-plus years experience in the energy sector’s E&C industry with consistent growth in responsibilities and duties associated with project management, engineering and engineering management, construction management, construction engineering, facilities maintenance, plant and equipment reliability, manufacturing and fabrication, Quality Assurance/Quality Control and inspection services. Experience throughout the entire hydrocarbon sector, with extensive experience with non-domestic equipment manufacturers in Europe, Asia, Malaysia, Thailand, Korea, South America, Canada and Japan.
Barry Switzer
VP, Commercial Services
Thirty-five years experience in the energy sector’s E&C industry, specifically pressure vessel and heat exchanger equipment (design, fabrication, procurement, and inspection). Currently responsible for management of IAG’s Commercial Services Group, including purchasing, contract, expediting and traffic and logistics. Specialized experience in equipment evaluation/assessment and rebuilding efforts. Experience encompasses five projects with TIC> $1.8B and 30 projects with TIC>$500MM. Recent experience includes 40 FCCU units, 38 gas treating/storage facilities and 33 hydroprocessing units, both domestic and worldwide.
Suresh Patel
Project Director
Suresh Patel, P.E.
Project Director
46 years experience

Over forty-six years of project management, project engineering, civil-structural and pressure vessel engineering experience in the engineering, design and construction of petrochemical and petroleum refining projects.  Experience included project execution and engineering support for wide range of petrochemical/refinery process units such as FCC, CCR Platformer, Hydrotreaters, Hydrocrackers, Alky, Treating units, Caustic Chorine, Chloromethanes, Sulfur Plants, Crude/Vacuum Units, Warehousing Facilities, etc.

Employed with IAG since 1998, as Project Director for the FCC Project Execution Team, he has been responsible for all phases of projects (studies/evaluations, FEED, EPC, start-up) both in the domestic US as well as international. His experience includes modifications to all FCC technologies throughout his forty-six years. His expertise has allowed him to help develop and install several FCC technology firsts, such as:
  • Helped develop and install first-of-kind external spent caralyst stripper to improve catalyst circulation and unload internal stripper
  • First application and installation of UOP Vortex Separation System riser termination device in FCC Regenerator
  • First application and installation of UOP Third Stage Separator
  • First application and installation of UOP MSCC process technology.

Previous employment included Litwin E&C, Raytheon E&C and Padon Engineering Company.

Suresh has an M.S. in Civil Engineering from Oklahoma State University and a B.S. in Civil Engineering from Sadar University, India.  He is a Registered Professional Engineer and member of ASME, American Society of Mechanical Engineers.
Antoine Schellinger
VP/Counsel Strategy & Technology
Twenty-one years experience in the energy, chemicals, biofuels, and biochemicals sectors with extensive practice in emerging technologies and commercialization programs. Core focus is on long-term nurturing of relationships with strategic partners where IAG can impute maximum value. Previously engaged as an operations executive in the mid-stream sector, technical due diligence leader for emerging technology fund, general manager of start-up engineering company, and numerous capital project execution roles at major E&C firms. Geographical experience includes North America, Central America, Africa, Asia, and Europe.