Leadership Team

Mr. Petrie has over thirty years of electrical utility design, engineering, and construction experience in the electric utility industry and renewable energy industry. His experience includes over twenty-five years at an electric utility and nearly ten years as a consultant serving electric utility clients and renewable energy clients. He is experienced in transmission line design, up to 500kV, and distribution line design of all voltages. He is currently serving as Senior Project Manager for transmission line design projects, substation design projects, medium-voltage collection system design projects and renewable energy development projects. He also serves as the Chief Operating Officer and Vice President of the Board of Directors for TriAxis Engineering, Inc., an electric utility engineering consulting firm headquartered in Corvallis, Oregon.

Sean is a leader and an award-winning program manager with 25 years of experience in the A&E industry. He has been with David Evans and Associates since 1996 and serves as Vice President of the firm’s Energy Business Unit. His portfolio includes project development in the energy, water, land development, and transportation markets, including transmission, substation, telecommunication, wind generation, and transportation facilities. He understands the importance of effective communication, change management, consensus building, and marshalling resources at appropriate times for the project’s success.

Mike Antonishen holds a bachelor’s degree in mathematics and physics from Kalamazoo College in Michigan, and an M.S. in Electrical Engineering and Computer Science (Oregon State University) with a focus on energy systems and controls. His interest in energy systems was sparked while researching ocean wave energy and testing prototype devices in a wave tank at Aalborg University in Aalborg, Denmark. Mike has wide ranging experience and interests that include utility system long range planning and design, intelligent device integration, and power system modeling, analysis, protection, and grounding. Mike lives in Corvallis, OR and enjoys everything the Pacific Northwest has to offer, from food and drink to exploration and adventure. Some of his favorite activities include trail running with his wife, hiking, mountain biking, and skiing.

Jon Lemon has over eleven years of transmission line design experience, working for utilities as well as in the consulting field. He has experience with all aspects of transmission line design from 69 kV up to 500 kV, including scoping and proposals, siting, permitting, structure and assembly design, project scheduling and estimating. His current role is the Director of Transmission Line Design. Prior to entering the energy delivery profession, Jon owned and operated a music recording studio in Portland Oregon. He still keeps his hand in the professional music world by playing in one of the Northwest’s most popular bands.

Faith has over 30 years of engineering consulting and project management experience for both the public and private sector. She worked for CH2M Hill for 25 years in many roles, including designing and delivering information and control systems. A professional controls system engineer, Faith is responsible for multi-disciplinary project management, and overall quality assurance and quality control of project delivery. She also oversees TriAxis’ Corvallis office operations. In her spare time Faith likes to do “boga”, which is yoga with her house bunny, Peter Rabbit.