Leadership

	Peter A. Irwin, Ph.D., P.Eng. President / Chief Executive Officer Peter joined the company in 1980 and became the President of RWDI in 1999. His experience in wind engineering dates back to 1974 and includes extensive research and consulting in wind loading, aeroelastic response, wind tunnel methods, and instrumentation. His previous experience includes six years of wind engineering work as a research officer with Canada's National Research Council and two years with the Royal Aircraft Establishment in Farnborough, Great Britain. Peter earned his Ph.D. in Mechanical Engineering from McGill University. He is a Registered Professional Engineer in the Province of Ontario. He has published over 100 papers and won several awards for his work, including the Canadian Society for Civil Engineering's Gzowski Medal in 1995. He serves on several committees for codes and standards, such as the Standing Committee on Structural Design for the Canadian Building Code and the wind committee of the US ASCE 7 standard.
	W.H.D. Rowan, M.A.Sc., P.Eng. Past President Bill has been responsible for developing RWDI's facilities since its founding in 1972. Bill's responsibilities in his present position are varied and extensive; including the planning, development, implementation and management of overall company policies, strategies and goals. Bill is particularly active in the national and international marketing of RWDI's engineering services. He has a M.A.Sc. in Structural Engineering from the University of Toronto and is a Registered Professional Engineer in the Province of Ontario.
	Anton E. Davies, Ph.D., P.Eng., QEP Vice President / Chairman of the Board Anton joined RWDI in 1977 after completing his doctoral thesis for the Department of Mechanical Engineering at the University of Toronto. During his years with the firm, Dr. Davies has provided leadership to a wide range of projects. As one of the Principals in charge of RWDI's Environmental Team, Anton has directed many of the firm's major environmental projects. He is an expert in the field of air quality and has published numerous articles concerning air pollution study and abatement techniques. He is the past chair of the Canadian Environment Industry Association (CEIA) - Ontario Chapter, a National Director of CEIA and is currently chair of their Environmental Exporters Council. He was also past chair of the Air and Waste Management Association - Ontario Section
	Gordon E. Dunn, CET Vice President / Chief Operating Officer Gord has worked in a number of progressively challenging roles since joining the company in 1976. In 1999, he became the Chief Operating Officer. In this position, he is responsible for developing short-term and long-range plans, as well as, preparing annual budgets based on RWDI's corporate goals. He directs the firm's financial planning and accounting practices, and he implements corporate policies and standards related to operations, finance and accounting, management information services, credit and contract administration, and internal controls and auditing. Gord is also responsible for the management of department heads. He has a Diploma of Technology in Construction Engineering from Conestoga College of Applied Arts and Technology and is a Registered Member of the Ontario Association of Certified Engineering Technicians and Technologists (OACETT).
	Scott L. Gamble, B.A.Sc., P.Eng. Vice President Scott joined RWDI in 1981 as a Project Engineer. In 1987, he became an Associate of the firm and in 1989, he was made Manager of Research and Development. In 1996, Scott became a Principal of the firm. He has a B.A.Sc. in Mechanical Engineering from the University of Waterloo and is a Registered Professional Engineer in the Province of Ontario. He was awarded the Gzowski Gold Medal for Best Technical Paper, 1995 by the Canadian Journal of Civil Engineering and has contributed to the National Building Code of Canada provisions for snow loading of large roofs and arched roofs. As VP of Technical Development for the period from 2000 to 2002, his responsibilities included reporting to the President on technical matters, strategic planning for future developmental directions, and promotion of in-house research activities and publication. In 2002, he took on the role of General Manager as VP Wind Engineering and was responsible for the day-to-day commercial and technical operation of the business unit. Scott's current position is General Manager and VP of Motioneering Inc., a sister company to RWDI, where he is responsible for strategic direction and operation. Scott remains active in both companies with project-related specialties of structural wind and snow loading, structural motion, and supplementary damping systems.
	Glenn D. Schuyler, M.A.Sc., P.Eng. Vice President - Science & Technology Glenn joined RWDI in 1981 as a Senior Engineer and became a Principal in 1984. In his role as VP of Science and Technology, he has strategic responsibility for RWDI's IT infrastructure and R&D. He oversees a wide range of studies including air quality, aerodynamics, internal ventilation, and noise control. This work includes a large number of projects ranging from industrial facilities to university laboratories. As a result of Glenn's experience, he has become the firm's expert on matters relating to internal ventilation and fume hood design. He has a M.A.Sc. in Aerospace Engineering from the University of Toronto and is a Registered Professional Engineer in the Province of Ontario. He is a fellow of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, and a member of the International Society for Pharmaceutical Engineers.
	Michael J. Soligo, M.A.Sc., P.Eng. Vice President - General Manager, Wind & Microclimate Group Mike joined RWDI in 1988 and became a Principal of the firm in 1994. He is the Vice President in charge of marketing, and in this role he is responsible for the overall vision of the company's marketing efforts. He is a microclimate specialist and has extensive experience in conducting pedestrian level wind, wind pressure, snow, and sun/shadow studies. He is specialized in studies related to sports facilities, hotels, casinos, resorts, and in the development of unique services such as pedestrian/spectator comfort criteria and turf microclimate analysis. He has a M.A.Sc. in Engineering Management Sciences from the University of Waterloo. He is a Registered Professional Engineer in the Province of Ontario, as well as, a Registered Consulting Engineer.
	David S. Chadder, Hon. B.Sc., QEP Vice President - Western Operations / Project Director David is a Vice President, Western Operations and Project Director at RWDI AIR Inc. (Calgary) with experience in environmental consulting dating back to 1978. His area of specialty as Project Director involves the technical supervision of engineering teams involved with air quality, hazard and risk assessments, stack emissions testing and ambient air quality monitoring studies. Recently, he has supervised engineering teams that have provided air quality, odour, hazard and risk assessments, air emission audits and environment impact assessments over a broad range of applications. These have included well flaring, well testing, oil sands extraction and upgrading, municipal and hazardous waste landfills, pipeline transmission, roadways, pulp mills and power generation plants. He is a member of the Air and Waste Management Association (AWMA), the Solid Waste Association of North America (SWANA), Independent Power Producers Society of Alberta (IPPSA) and the Canadian Meteorological and Oceanographic Society (CMOS). David is accredited as a Qualified Environmental Professional (QEP).
	Mark Hunter, CET Principal / Senior Project Manager Mark joined RWDI in 1980 as a project coordinator and became a Principal in 2003. Since 1990, Mark has worked as a Project Manager in RWDI's Wind Engineering Division and has managed studies for a wide-range of major projects all over the world, including high rise buildings, long span bridges, and sports facilities. He is a specialist in wind loading, structural loading, and pedestrian comfort issues. He earned a Diploma of Technology (Civil Engineering) from Conestoga College of Applied Arts and Technology and is a Certified Engineering Technologist and a member of the Ontario Association of Certified Engineering Technicians and Technologists. Mark has coauthored several papers on wind engineering topics reflecting the wide variety of complex issues studied by the firm.
	Frank Kriksic, BES, CET Principal / General Manager of RWDI USA LLC Frank joined RWDI in 1984 as a Technical Coordinator focusing primarily on microclimate and air quality services. Since 1990, he has been involved in project management for air quality, microclimate and ventilation in building design, and community planning projects.  In 1997, Frank became a Principal and has taken on progressively challenging leadership roles that continue to evolve to meet the needs of RWDI.  Frank has a bachelors degree (Environmental Studies) from the University of Waterloo, has a diploma of technology (Civil Engineering) from Conestoga College of Applied Arts and Technology, is a Certified Engineering Technologist, is a member of the Ontario Association of Engineering Technicians and Technologists, and is a charter member of the Project Management Institute.
	Mike Lepage, M.Sc., CCM Principal / Project Director Mike joined RWDI in 1981 and became an Associate of the firm in 1988. As a Project Director, he provides overall direction on air quality and meteorological projects, ensuring that a high level of service is provided and, at the same time, RWDI's interests are preserved on all projects.  Mike also oversees RWDI regional atmospheric modeling group, which is involved in high-end numerical modeling of regional air pollutants such as ground-level ozone and fine particulate matter. Since joining RWDI, Mike has been involved in a wide variety of projects related to air quality, wind engineering, and meteorology, and frequently provides expert testimony and review.  Major research projects in Air Quality include: simulating the dispersion of nerve agents at a military air base; simulations of turbulence and dispersion around buildings; fugitive dust emissions in the wood products industry; dispersion of emissions at the portals of roadway tunnels; dust control at mine tailings ponds; and simulation of peak concentrations in fluctuating plumes.  In recent years he has been extensively involved in regional modeling of meteorology and atmospheric chemistry to investigate large scale smog events, using models such MM5, Models-3/CMAQ, SAQM, CALGRID and CALPUFF.
	Ray Sinclair, Ph.D. Principal As a Principal of RWDI, Ray provides technical direction and leadership on a wide range of projects involving air pollution, industrial processes, building & tunnel ventilation, fire safety and wind engineering. He joined RWDI in 1991 after completing a Ph.D. in Mechanical Engineering and is the firm's Technical Director of the Computational Fluid Dynamics (CFD) modeling group. This specialty is often coupled with physical measurement techniques in solving challenging problems with fires, thermal comfort and window condensation in buildings, paint shop odour impact, combustion systems, and particle laden flows. He is a member of the NFPA and ASHRAE where his prime interest is smoke management system design.
	Mark Vanderheyden, M.Eng., P.Eng. Vice President / General Manager, RWDI AIR Inc. Eastern Operations Mark joined RWDI in 1989 and became a Principal of the firm in 2000. He graduated from McMaster University in 1989 with his M.Eng. in Engineering Physics. Since joining RWDI, he has coordinated a large number of major air quality projects involving numerical modeling, exhaust dispersion, and fluid modeling. As a Project Director, Mark is responsible for obtaining and administering environmental projects. He also acts as the team liaison, provides technical direction to the project engineers and scientists, ensures that quality assurance and control measures are followed, and makes certain that projects are completed according to the agreed upon schedule and budget. In addition to being a Project Director / Principal for RWDI, Mr. Vanderheyden became a Director of RWDI West Inc. in 1999.
	John Alberico, B.Sc., M.Sc., CCEP Principal / Project Director John is an air quality specialist and project director at RWDI. He joined RWDI in 1988 after attending the University of Guelph, and completing a M.Sc. related to dust dispersion and sedimentation. He became a Principal in 2004 and is a Canadian Certified Environmental Practitioner. His area of technical expertise is in exhaust and dust dispersion, which has included involvement in several hundred projects providing expert consultation, and conducting both numerical and wind tunnel modelling. His primary focus has been in the healthcare, higher education and pharmaceutical sectors. His involvement in many of these projects has included environmental impact assessments and Certificates of Approval (Air). John has also managed engineering teams that have provided air quality, odour, dust, ventilation, noise, acoustic and vibration assessments for a broad range of applications on local, national and international projects. These have included pits and quarries, landfills, composting facilities, roadways, residential developments, and industrial facilities in addition to healthcare, higher education and pharmaceutical facilities.
	Derek Louch, Ph.D. Principal / President and CEO for Virtualwind After completing a Chemical Engineering undergraduate degree at the University of Waterloo, Derek received a doctorate in Mechanical Engineering from Cambridge University in 2000, and subsequently was a two year Postdoctoral Fellow at Stanford University and NASA Ames Research Center. Dr. Louch and RWDI Group Inc. founded Virtualwind in 2005 to support the commercialisation of the advanced computational flow physics software initiative he started within the RWDI Group of Companies' umbrella. He is intimately involved in all technical, marketing, and business aspects of Virtualwind. Interests include business models and strategies, software architecture, turbulence modeling, and numerical solutions to complex equations.
	Bill Smeaton, B.Sc., B.A.Sc., P.Eng. Principal / Senior Project Manager Bill is an Air Quality Specialist and Leader of RWDI's Project Management Group. Bill joined RWDI in 1988 as a Project Engineer, after graduating from the University of Waterloo in Physics (1987) and Mechanical Engineering (1988). He became a Project Manager in 1995, an Associate in 1997, and a Principal in 2005. He oversees RWDI's Project Management team for projects involving dispersion modelling; internal ventilation, wind loading, pedestrian winds, acoustics, vibration and snow loading. Bill has been Project Manager for over 400 of RWDI's projects over the last decade, spanning all aspects of RWDI's Wind and Microclimate group.
	Paul Freathy, B.Sc., M.E.Sc Principal / UK Managing Director Paul started work as a wind engineer in 1979 and worked in a range of industry roles with well-known UK companies such as WS Atkins, BT and Redland. He has worked on a wide range of projects covering both structural and environmental studies but has particular expertise in wind environment studies, building product performance testing and driving rain analysis. In 1993 Paul started a successful 9-year spell as an independent consultant, after which he teamed up with Nick Cook and Wayne Pearce to form Anemos Associates Limited in 2002. Anemos built and maintained an impressive client list of UK clients and joined with RWDI in September 2004 to allow the company to expand further and faster. The company was renamed RWDI Anemos Limited, with Paul as Managing Director, and under his leadership has gone from strength to strength, offering wind tunnel testing and desk studies across a wide range of areas. In 2006 Paul was appointed Principal and also a Director of RWDI's new office in India. His responsibility continues to focus on building business in the UK, Europe and Middle Eastern markets. In the wider engineering community Paul has been an active member of BS code committees and the UK Wind Engineering Society for many years, and was proud to serve as WES Chairman from 2003-5.
	Stoyan Stoyanoff, Ph.D., P.Eng., ing. Principal / Project Director Stoyan joined RWDI in 1993 and became a Principal in 2006. He is a Professional Engineer in the Provinces of Ontario and Quebec. As a Project Director of the firm, he supervises projects in aerodynamics, structural dynamic, finite element analysis, and design of various types of engineering structures. He has written over 50 research papers and developed several theoretical methods and programs for aerodynamic response analysis. He has participated in over 30 important bridge projects. Other unique projects of his involvement are stadiums, high-rise buildings, towers, and even a space vehicle. Stoyan is a member of the Post-Tensioning Institute Committee on Cable-Stayed Bridges and Adjoint Professor at Sherbrooke University. Stoyan graduated from the Sofia Technical University, Sofia, Bulgaria in civil engineering with one of its highest honours in 1980. Immediately he joined the University as a researcher and assistant professor where he taught for eight years numerical methods, structural mechanics and dynamics. In 1987 Stoyan was invited as a researcher to Kyoto University, Japan, where after five years of studies and research, he obtained his Doctor of Engineering Degree (wind engineering and bridge aerodynamics).
	Jiming Xie, Ph.D., P.Eng. Principal / Project Director Jiming joined the company in 1989 as a Project Engineer, became an Associate in 1995 and became a Principal in 2006. As a Project Director, he provides overall direction on wind engineering projects. Jiming is also responsible for quality assurance and technical development of RWDI's wind engineering services. His extensive research and engineering consulting include aeroelastic response, wind loading and wind tunnel test method for bridges, buildings, stadiums, monument-type structures, and more. He has published numerous technical papers. Jiming's experience in wind engineering dates back to 1985 when he developed a theoretical method for determining multi-mode flutter for long-span bridges and a corresponding identification technique for bridge aerodynamic derivatives. Through these researches, he gained his Ph.D. degree at Tongji University of China. He did post-doctoral research at the University of Ottawa and then worked as a visiting research officer with Canada's National Research Council before joining RWDI. Jiming is a Registered Professional Engineer in the Province of Ontario. He serves as a member for Wind Effects Committee and Aerodynamics Committee of the US ASCE.
	Colin J. Williams, Ph.D., P.Eng. Principal Colin has been with the company since 1974 and has been a Principal since 1976. His project involvement with the company has been primarily with snow control and pedestrian level wind studies. His work in microclimate studies has ranged from preparing basic guidelines for use by planners in developing guidelines to control downtown microclimate conditions, to the detailed design of remedial solutions for wind related problems at industrial plants and for high rise buildings. He obtained his Ph.D. in Mechanical Engineering from the University of Windsor with a Fluid Mechanics Specialization. He is a Registered Professional Engineer in the Province of Ontario.