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Our Team.


Lawrence (Larry) A. Adeyemi, PhD, PMP
Managing Principal/President

Lawrence Adeyemi has over 35 years of experience in public sector environment and seven years in private sector providing program leadership and management in multidisciplinary engineering, sustainability planning and design, technical analysis and synthesis, project planning, estimating, and construction project management. His breadth of professional experience spans a wide area of industries including: transit, light rail, airport, water and wastewater, educational institutions and energy industries. Larry is responsible for the overall business operations, strategic planning, growth and profitability.


Richard Hur, BS Mechanical Engineering
Senior Mechanical Engineer

Richard Hur has over 15 years of mechanical engineering design and cost estimating experience supporting a diverse mechanical operations, controls and facility management. Prior to joining Green Project Solutions Group, he worked for several companies as a mechanical engineer with responsibility for program/project design development and cost estimating from conceptual phase through design and implementation phases. Richard has worked for Canadian and US engineering firms as a Mechanical Engineer and QA/QC specialist with responsibility for vertical and horizontal design and construction and many tasks involving mechanical-electrical control systems. He specializes in facility design build projects. He is currently responsible for engineering design and preparation of construction documents, calculations, development of specifications of mid-range to complex HVAC systems and construction administration of MEP projects.


Joel Gregory, BA Architecture
Senior Energy Management Consultant

Joel Gregory has over 25 years of experience in environmental and energy management service. His prior experience include as a senior energy audit and management professional for King County Housing Authority. Joel’s professional experience also include project manager for the City of Bellevue with extensive coordination of Community Development Block Grant funded housing repairs and weatherization program. He has developed and manages sustainability program bringing housing and facility into complaince with green environmental standards. He is a certified Lead Paint Risk Assessor, Energy Auditor, a certified Healthy Home Evaluator and quality control inspector. Joel has developed over three training courses and provided instructor-led seminars to a diverse multidiscipled professionals, managers and project owners. Joel is responsible for energy management, audit and training.


Celt M. Schira, P.E., MA, MSEE, LEED AP
Principal Electrical Engineering Consultant

Celt M. Schira has over 19 years providing architects, engineers, contractors and developers in Northwest Washington with electrical design for power, lighting, communications and renewable energy, and green building, to meet the clients' goals and budget. She has expertise in teaming with MEP engineers to get electrical design integrated into mechanical and plumbing design for high performance with best value outcome. She has a strong leadership background as an electrical engineer providing power, lighting, communications and solar electric design for architects, builders, contractors and developers. She is a registered professional engineer and a certified LEED Green Building AP. Her prior work experience in the U.S. Army includes design of secure communications systems for new installations and upgrades at 15 remote sites in Korea and served as the technical and administrative head of the U.S. Army’s communications transmission systems engineering test bed facility at Fort Huachuca, Arizona. Celt complements our MEP design-build work providing senior level electrical design and consultation. She is responsible for electrical design and coordination with MEP design team.


Richard P. Miller, PE
Principal Construction Engineering Consultant

Richard Miller has 40 years of industry experience in civil engineering, bridge and highway construction including material testing. Beginning his career in 1975, Richard has been responsible management, infrastructure maintenance and professional engineering for the private and public sectors. He has successfully directed a staff of 160 people with operating and capital budgets totaling more than $800M. Prior to joining GPSG, he was managing HRD’s Bellevue’s office of bridge design group. He was also the Director of Capital and Roadway Structures for the Seattle Department of Transportation (SDOT). His excellent engineering and construction management capability include responsibility for the operations and maintenance of the City of Seattle’s 1100 bridges and roadway structures valued at $3.5 billion. Richard is responsible for our construction engineering services and mentoring of young engineering professionals.


Ronald (Ron) Ewert
Construction Manager

Ronald Ewert has 30 years of experience and expertise in the areas of construction project management scheduling, office engineering, change management, budgetary processes, and financial analysis. His expertise is in construction scheduling and analysis, project control, contractor’s baseline and schedule analysis and evaluation of design changes. With his experience on different multi-industry project types, Ron has developed the ability to quickly build tiered schedules for construction projects and has been involved with road construction projects in the Puget Sound area and throughout the United States. He has a long history of preparing field construction records documenting construction work completed and coordination with internal and external stakeholders. Ron’s construction management experiences include capital projects for federal, state and municipal agencies. He specializes in managing simultaneous, long term, multiple projects. Ron has experience working on multiple on-site construction projects as well as working as an extension of an agency’s staff. Ron had previously worked for Hill International as project control and office engineer. He earned a BA in accounting and financial management from Wichita State University, Kansas.

Our Teaming Partners include:

  • Structural Engineers
  • Architects/Interior Designers
  • Electrical Engineers
  • Emergency Power Systems technicians/suppliers
  • IT/Telecommunications
  • Fire Suppressant technicians
  • HVAC/plumbing, electrical installation subcontractors
  • Independent expert witnesses and consultants

GPSG maintains partnership with top local, regional and national firms to provide the best project solutions for our clients. Teamwork internally and externally are essential part of our business operations, all to the benefit of our client in terms of time and cost savings.


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