Ruth Heffernan Marsh
Principal Engineer/Project Manager, Offshore Wind North America
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DNV’s offshore wind experts bring over 30 years of proven expertise throughout the entire project life cycle helping clients reduce risk, optimize performance, enhance efficiencies, reduce costs and leverage emerging technologies. Our dedicated team provides a full range of services, including training courses, for project developers, owners, operators and investors in the U.S. offshore wind market and across the globe.
Ruth heffernan Marsh
Ruth Marsh is a Principal Engineer and Project Manager with over two decades of experience in wind energy engineering, both onshore and offshore, including 10 years at DNV. She leads offshore wind training for North America and has developed multiple “knowledge booster” wind energy training programs at DNV. Her experience spans many aspects of wind energy engineering and project development including wind turbine conceptual design, aeroelastic loads analysis, blade design, energy assessment, life-cycle engineering and economic analysis, assessment of wind turbine technology, project feasibility studies, operation and maintenance cost modeling, and independent engineering to support wind project financing of new and operating projects. In addition, she has conducted structural loads analysis of wind turbines for offshore certification (Denmark). Prior to DNV Ruth led the systems and product team at Makani Technologies, an Alphabet company that pioneered the world’s first floating offshore wind energy kite. She also managed the loads modeling team at a major U.S. wind turbine manufacturer and conducted rotorcraft research at NASA. Ms. Marsh holds a Master of Science in Aeronautics/Astronautics from Stanford University, where she focused on rotorcraft aeromechanics, a Bachelor of Science in Mechanical Engineering from MIT, and is a certified PMP.
Idalia Machuca is an Offshore Wind Analyst on the Offshore Wind North America team at DNV. Ms. Machuca brings four years of research experience in physical oceanography and three years of industry experience in offshore wind energy. Ms. Machuca's experience includes technical execution and project management in services including metocean and geophysical analyses, site conditions assessments, ocean numerical modelling, navigation safety risk assessments, technical due diligence reviews, contract and schedule reviews, cost assessments, project feasibility studies, and subject matter training. Prior to joining DNV, she performed as metocean engineer at Principle Power and led the analysis and definition of design criteria for hull, mooring, and cable elements for commercial and R&D floating wind projects. Ms. Machuca holds a Master of Science in Physical Oceanography and a Bachelor of Science in Geophysics from the University of British Columbia.
Chris Elkinton is a Project Manager and the Offshore Technical Lead on the Wind Independent Engineering team at DNV. Mr. Elkinton has more than 15 years of experience in offshore wind consulting on project feasibility and concept design, port readiness, due diligence, and market entry. Mr. Elkinton specializes in technical due diligence for onshore and offshore wind projects and has managed technical due diligence assignments in support of project financing for more than 4 GW of wind projects during the past five years. Last year alone, Mr. Elkinton and his colleagues provided technical due diligence to 85% of the onshore wind financing transactions in the US and 3.4 GW in offshore wind transactions globally. Mr. Elkinton joined DNV in 2007 and holds a Ph.D. in Mechanical Engineering from the University of Massachusetts Amherst where he specialized in offshore wind..
Mr. Rasulo is a geotechnical engineer with 4 years of experience in geotechnical engineering. Marcus earned his M.S. in Civil Engineering from Texas A&M University where he focused on offshore geotechnics working on modeling the behavior of drag embedment anchors. Currently Marcus is working as Geotechncial Engineer as part of DNV’s Renewable Advisory performing independent engineering reviews and providing technical support to utility grade renewable energy projects around the United States. Prior to joining DNV Marcus has a background in site characterization, geotechnical design, and 1G model testing for projects around the globe..
Currently serving as an Offshore Project and Permit Manager for DNV’s Offshore Wind team, Ms. Carman has over 13 years of experience in the environmental and permitting fields. Primary responsibilities include managing internal and external multi-disciplinary teams, conducting in-depth regulatory review and policy analyses, feasibility studies, constraint and risk identification and mitigation plans, development of permit applications and subsequent compliance management plans, and providing stakeholder engagement and advisory services. Experiences within the energy sector apply to all project phases - from early-stage planning to post-construction monitoring.
Mr. Molinero has 10 years of experience in the Energy industry and currently works as Senior Project Manager for Floating Offshore Wind projects at DNV North America. His primary responsibilities include project and technical management within Offshore Wind project development and advisory. Such services include offshore feasibility studies, financial modelling, CAPEX and OPEX cost assessments, substructure design, installation and decommissioning studies, HSE and risk management, and contracts and agreements. In previous roles at Principal Power, Mr. Molinero led floating wind technology development in the U.S. West Coast services for 1 GW of floating wind power projects. Prior to joining DNV, Mr. Molinero worked at Principal Power in floating offshore wind, Repsol – Spain - and Ramboll Offshore Wind - Denmark.
With a background in naval architecture, Noé has ten years of experience in the offshore industry, with specific experience working on the design, construction and operation of floating offshore structures. Noé started at SBM Offshore, working on the design and construction of floating oil and gas platforms. Since 2016, Noé has been immersed in offshore wind development starting with the design and development of floating offshore wind platforms. In 2017 he moved to Chantiers de l’Atlantique, where he was in charge of the offshore operations and commissioning for the installation of Offshore Electrical Substations in the Baltic and North Seas. Noé was also recently involved in the development of various floaters concepts design for offshore wind turbines and electrical substations.
Anna Brzozowski holds a Master of Engineering in Environmental Engineering from Cornell University and is an Offshore Wind Analyst at DNV. Prior to this position, Ms. Brzozowski was an Energy Market Analyst at ICF and was a contractor for the U.S. Department of Energy. She has previously supported large multinational energy developers in bid preparation for New York’s offshore wind solicitation with economic and environmental impact analysis. Her primary responsibilities include industry research and analysis, as well as cost modeling.
Mr. Frye brings over 10 years of experience to his role as senior project manager for offshore wind projects. His primary responsibilities include project management and the execution of owner's engineering services for offshore and onshore wind power projects. Such services include offshore feasibility studies, wind resource analysis, decommissioning studies, logistics planning, operation and maintenance cost modeling, and reviews of turbine technology, contracts and agreements, projected financial performance. In previous roles at DNV, Mr. Frye led project financing due diligence services for over 3 GW of wind power projects. Prior to joining DNV, Mr. Frye was a member of the Generation Development Team at MainPower New Zealand Ltd., a wind power project developer on the south island of New Zealand. Mr. Frye holds a Master’s Degree in Mechanical Engineering from the University of Canterbury where he studied wind-diesel hybrid systems.
Graham Cranston is part of DNV's Renewables Certification (RC) team in the US, performing certification of renewable energy projects together with the rest of RC Globally. His focus is on Project Certification of Offshore Wind farms in the US, commonly referred to as Certified Verification Agent (CVA) services. Graham is a Principal Structural Engineer, with 10 years of experience as a consulting engineer delivering new design, failure investigation, condition assessment, and peer review projects for diverse clients, including for energy, conventional structures, prototype and precision structures, and buried structures. He has experience with wind effects on structures; nonlinear material modeling; corrosion and fatigue analyses; stability, buckling, and collapse analyses; seismic loadings and analyses; and structural dynamics. He also serves as co-chair of the ongoing offshore wind standardization work in the US (OCRP). Graham is a licensed Professional Engineer in Massachusetts, Minnesota, and Vermont, and a licensed Structural Engineer in Hawaii.
Collin Sad is a Senior Engineer at DNV, providing consulting services for wind, solar, and energy storage projects in North America since 2009. His background includes experience in these key areas: wind and solar power consulting engineering and technical due diligence; generator interconnection contracts; electrical balance of plant design, construction, and operations including collection/distribution, substations, transmission lines; construction monitoring; onshore and offshore wind owners engineering; PV system design; data acquisition system; and wind turbine type testing.
Luke Simmons is a Project Manager and Measurements Expert on the Offshore Wind Advisory team at DNV. Mr. Simmons has more than 16 years of experience in the wind industry primarily focused on measurement systems and strategies for the development and operations of wind projects. He has actively participated in several international initiatives (IEC 61400-12, IEA Task 32, IECRE, MEASNET) developing rules and procedures for technical guidelines and conformity assessment. Mr. Simmons manages projects supporting a wide range of offshore activities, e.g. Navigational Safety Risk Assessment (NSRA), floating lidar metocean campaigns and Employer’s Requirements. He joined DNV in 2007 with a M.S. in Environmental Science.
Ruth Heffernan Marsh
Principal Engineer/Project Manager, Offshore Wind North America