Senior Management
Jim Maddocks
Chief Executive Officer
Jim Maddocks, P.Eng, PMP, is the CEO and a Principal of Gas Liquids Engineering Ltd. (GLE) with over 36 years of experience in gas processing projects. Jim has worked on projects all over North America, Poland, Cuba and the Middle East. From GLE’s inception until January of 2018, Jim was the Vice President of Engineering for GLE.
Jim has been involved with over 1500 gas and liquids-related projects ranging from simple projects to complete development programs that include multiple gas plants (sweet and sour), condensate handling systems, and large compression. He is a sought-after leader on gas processing projects and projects with complex technical and/or regulatory requirements. He has written a number of technical papers on acid gas injection, and is a recognized expert on acid gas injection system design and operation.
Jim’s reputation for dependability with clients and GLE project managers makes him a natural champion of quality performance within GLE, with a focus on project and capital cost control, business driver based designs, facility performance/operational synergies, and achieving schedule/budget expectations.
Peter Griffin
Vice President, Operations
Peter Griffin, Ph.D., P.Eng., has over 35 years of energy industry and research experience and he leads the development of new initiatives and projects outside of Canada from initial business development to final project execution.
Peter has multi-disciplinary experience in engineering, financial analysis, business development planning and management, plus operations experience in reservoir, production and project engineering. He has extensive project management and consulting experience in North America, South America, Europe and the Middle East.
Peter has expanded Gas Liquids Engineering Ltd’s (GLE’s) activities into new global markets to offer both our employees and our clients access to a wider range of experience and expertise.
Peter also has responsibility for the timely and effective contribution of procurement, document control, project controls and HSE to achieving project and corporate targets.
Arnie Toews
Vice President, Facilities
Arnie Toews, CET, is a Mechanical Engineering Technologist. Arnie is a major contributor to the high quality of Gas Liquids Engineering Ltd. (GLE) services.
Arnie has over 40 years of experience in process design, pipeline design, project management, purchasing, construction and troubleshooting for oil and gas production facilities. Arnie has managed the engineering and construction of more than 3000 km of pipelines and gathering systems, hundreds of compressor stations, and dozens of major gas plants and battery facilities.
Arnie mentors a group of experienced and junior engineers to provide a rapid response team to handle field and facility problems in a cost- and time-effective manner. In addition Arnie’s team contains the leadership groups for compression and pipelines.
Stuart MacKenzie
Vice President, Business Development
Stuart MacKenzie, P.Eng., is a Chemical Engineer with 18 years of experience in the oil and gas industry, having acted as project manager, project engineer, and process engineer on projects ranging from small well tie-ins to major gas plants, condensate processing, gas storage, power generation, nitrogen rejection, and pipelines. Stuart has a broad base of project experience which allows for highly effective project scoping, costing, and detailing of engineering manpower requirements. By involving the key project team members right at the proposal stage of a project, Stuart ensures that GLE’s teams are fully aligned with the project goals from the outset of the project, until start-up. Stuart works actively to position our clients for the greatest possible success, including the arrangement of strategic alliances for multiple projects, or the development planning and execution of entire resource areas.
Stuart and his team generate business development initiatives for new clients in North America and provide business development and proposal preparation support throughout GLE.
Doug MacKenzie
Corporate Director
Doug MacKenzie, P.Eng, M.E., was the President and General Manager since the inception of Gas Liquids Engineering Ltd. (GLE) until January, 2018. Doug has guided GLE’s growth from a group of two engineers to a staff of over 200 today.
With over 40 years of experience in process design, equipment sizing and selection, and gas processing facility start-up. Doug has mentored and developed staff that are now key personnel at GLE. A recognized expert in his field and guest speaker on a variety of petroleum engineering topics, Doug has given presentations on sweetening plant design and mixed refrigerant systems at AlChE (New Orleans), GPA (Denver) and CGPA (Calgary).
Doug continues to provide corporate direction to GLE and is personally involved in the development of new emerging technologies.
Senior Staff
John Carroll
Director, Research and Technology
John Carroll, Ph.D., P. Eng., has more than thirty years of experience in the areas of thermodynamics, phase equilibria, physical property calculations and is acutely familiar with acid gas systems and natural gas hydrates. He provides Gas Liquids Engineering Ltd. (GLE) with a leading edge theoretical understanding of the key processes in gas processing.
He has authored or co-authored 50 papers in technical journals and has contributed to 60 conference presentations. He has taught courses at the University level and to practicing engineers in Canada and throughout the world. John has published “Natural Gas Hydrates: A Guide for Engineers” and “Acid Gas Injection and Carbon Dioxide Sequestration”.
He is the author of the renowned software AQUAlibrium that is widely accepted in industry as the best available for equilibria in acid gas water systems.
Ian McKay
Director, Global Projects
Ian McKay, Ph.D. (Chem.), is a dynamic and results-oriented technology expert and technical leader with 30 years’ experience in the chemical and energy industries. Ian leads the team executing international projects.
Ian has broad experience in project management working with multi-disciplinary teams, including vendors, customers, and joint venture partners to deliver new products and facilities, improved operations, and positive business contributions. Ian has authored over 100 technical reports and holds 36 patents from his research activities, earlier in his career.
Ian has strong demonstrated accomplishments in process design, project engineering, and technical consulting (oil, gas, and liquids processing, and chemical catalysts and processes) for clients in North America, Europe, Africa, the Middle East and Asia.
Derek Marshall
Director, Engineering
Derek Marshall, P.Eng., has over 15 years of experience in the design, construction, commissioning, start-up and troubleshooting of oil and gas facilities. Derek has provided both process engineering and project sponsor oversight on major projects completed for Seven Generations, Pembina, Cenovus, Crew Energy and various other key GLE clients. Derek’s project oversight and guidance has been instrumental in the efficient, cost-driven engineering execution that Gas Liquids Engineering Ltd. (GLE) has demonstrated on large gas and liquid processing facilities over this time.
Derek has also completed dozens of projects in project engineering and management capacities, ranging from brownfield gas plant work to pipeline tie-ins and small batteries to the construction of a greenfield 210 MMSCF/d sour gas plant in northeast British Columbia. He is a Professional Engineer in Alberta, British Columbia and Saskatchewan and is a responsible stamping engineer for GLE.
Scott Zieman
Director, Projects
Scott Zieman, P.Eng., PMP, has over 18 years’ experience in the oil & gas industry. Seventeen years of his career have been spent in an EPCM environment in a project role. His last ten years have been almost exclusively in large gas plant project management. Scott’s experience with varying project sizes and clients and his successful execution of some of GLE’s largest projects are the foundation of the oversight Scott brings as Director of Projects. His whole-team approach fosters a culture that understands that a supported and happy team is a successful team.
Scott has engineered small projects for AEC/Encana, BP, Penn West and larger endeavors with Duke/Spectra early in his career. Since 2010 Scott has been instrumental to GLE’s success in projects for Murphy, AltaGas, Keyera and Seven Generations. Scott has developed many of his projects from Pre-FEED and FEED through detailed engineering execution and construction. He has extensive knowledge and experience with the full project cycle including commissioning and start and project close out. His comprehensive project experience and his accreditation as a Project Management Institute Project Management Professional (PMP) make him an asset to directing the project group at GLE.
Chris Kormos
Manager, Drafting Services
Chris Kormos currently handles all aspects of the hiring, financial, strategic, and day-to-day management of the Drafting and Information Services teams at Gas Liquids Engineering Ltd. (GLE). He has been with GLE since 1994 and his experience with the company in various roles has touched on numerous aspects of our daily operations and project work, with design and team leadership roles in our smaller project work, fast-track projects, revamp, green-field, and major capital projects.
His technical expertise in design and IT systems has helped to modernize GLE’s technology infrastructure and support our ongoing corporate drive to utilize the most effective tools on our customers’ behalf. While his experience and role has been progressively more management-oriented over his time, his focus remains ensuring that his teams provide flexible, accountable, top quality service that deliver value for every hour spent.
His distinct understanding of project efficiencies and effective teamwork, and a belief in the value of highly skilled, motivated team members, have helped to create a industry leading drafting design, drawing control, and information services teams of extremely high capability.
Clarke Ellis
Director, EIC
Clarke Ellis, P.Eng., P.E., has been working at Gas Liquids Engineering Ltd. (GLE) since 2015, and since then has developed a strong, versatile group of Electrical, Instrumentation, Controls and Automation professionals, technologists, designers and drafters. The group has quickly, and successfully, taken on projects of all sizes and complexities within, from small to major capital projects, and from local to international projects.
Clarke and his team have extensive experience in all facets of Electrical, Instrumentation, Controls and Automation, including large power plants, renewable energy, specialized instrumentation, and small to large control systems including DCS systems. He also has strong knowledge of project management, project drivers, and client priorities. This has enabled him to create a well-rounded team that will produce fit for purpose solutions for our clients, and meet our clients’ needs in an efficient manner.
Clarke’s group can take projects from inception, through detailed design, construction, programming, commissioning and startup, and can then provide ongoing support for the various systems within the finished product including control and communications systems. Clarke is a registered Professional Engineer in Alberta, British Columbia, Saskatchewan and North Dakota, and is a responsible stamping engineer for GLE.
Jorge Moskovic
Mechanical Engineering Lead
Jorge R. Moskovic, P.Eng., has been working for Gas Liquids Engineering Ltd. (GLE) since 1996. Jorge has an outstanding record of projects delivered on time and budget and he is presently the lead of GLE’s Mechanical Department.
His skills and expertise include Project Management and Mechanical Design of Piping and Pipeline Systems, Pressure Vessels, Storage Tanks, etc. Jorge has a deep knowledge of applicable Design Codes including ASME B 31.3, ASME VIII and CSA Z 662.
The group of engineers under his supervision excels at developing scope details and specifications for the procurement of process skids, equipment and materials in order to deliver these components when required, on budget and in accordance with specifications and customer expectations.
Ramon Salazar
Civil Engineering Lead
Ramon Salazar, P.Eng., has over 35 years of experience in civil and structural engineering. Ramon is presently the lead of the Gas Liquids Engineering Ltd’s (GLE’s) Civil/Structural Engineering Team.
He has a long history of concrete structural design for residential and commercial projects and the last ten years designing steel and concrete structures for oil and gas industry. This includes shallow and deep foundations for buildings, tanks (up to 150k bbl.), equipment (including vibrating equipment), pipe racks and miscellaneous steel.
Ramon has sound background in multidisciplinary work environment and ability to work in fast paced and challenging schedules, caring for the different pieces of the project in order to meet deadlines. He is always open to discuss, analyze and look for the best solution that is suitable to client expectations.
Krzysztof Dobrzanski
Process Engineering Lead
Krzysztof Dobrzanski, P.Eng., has 16 years of industry experience and has been working for Gas Liquids Engineering Ltd. (GLE) since 2004. His engineering skills include problem solving, debottlenecking and new equipment specification. He also has experience working with brown field facilities as well as in conceptual plant design, PFD and P&ID development, control philosophy development and equipment sizing.
Krzysztof has sound experience in the following areas of design: sweet and sour gas plants, turbo-expander and refrigeration projects as well as liquids fractionation. Sophisticated and optimized plant design prepared by the process engineering group can be of great benefit to our clients.
Mike Richardson
Compression Lead
Mike Richardson, P.Eng., has over 30 years of experience in all facets of the oil and gas industry, including 20 years devoted to compressor design, manufacturing, sales, installation and operation. Mike currently leads Gas Liquids Engineering Ltd’s (GLE’s) dedicated compression team.
Clients benefit from his experience on a range of projects requiring his talents in project management, detailed engineering, construction, field supervision and maintenance. From costing, through to construction and start-up, Mike has an exceptional track record in turnkey project execution, facilities optimization and upgrading, and removing production bottlenecks.
Justin Wagner
Facilities Group Manager
Justin Wagner, P.Eng, leads the GLE Facilities Group with over 10 years of industry experience. He has served both technical and management roles on a wide variety of natural gas, liquids recovery and conventional oil projects. His experience specifically includes a number of schedule-constrained ‘fast-execution’ projects. Justin is proficient in equipment sizing and selection, process development and overview, scheduling, estimating, customer liaison and construction management.
Keith Davis
Pipelines Lead
Keith Davis, Petroleum Engineering Technologist, has more than 30 years of experience in the oil and gas industry. Keith has extensive knowledge of project development, cost estimating, cost control, construction management and all aspects of pipeline projects. Keith has been directly involved in pipeline projects for his entire career and is passionate about the pipeline industry. Over the first half of his career he was involved in the field construction of over 2000 km of pipelines, varying in diameter from 2” – 48”. In the second half of his career, Keith has built upon his field experience and has become a competent project manager specializing in pipeline projects. He has managed the engineering and construction of well over 1000 km of pipelines and is adept at initial scoping and field routing, client liaison, multi-discipline co-ordination and procurement.