HGE has built a team of experts focused on delivering the highest level of design excellence and service to our clients. Principals directly manage and supervise personnel working on projects. Our collaborative cross-discipline approach ensures stronger solutions to our clients on every project we complete.

Click our photos to learn more about each design professional and get to know our team.

Joseph A. Slack, AIA, LEED AP
Joseph A. Slack, AIA, LEED APPresident / Principal Architect
Joe is President of HGE and manager of the architectural division in the Coos Bay office. He is the principal-in-charge for all architectural projects assigned to HGE. Joe has held the position of project architect for a wide variety of building types. His involvement has been in all phases of work including negotiation, programming, preliminary design, public meeting representation, construction document preparation, bidding, and construction administration. He has also performed structural investigations, technical feasibility studies, and site master planning.
Stephen R. Cox
Stephen R. CoxSenior Designer
Stephen Cox, a senior design and project manager, has been employed with HGE Inc., Architects, Engineers, Surveyors, & Planners since 1964. During his tenure, he has worked in every project facet from conception to construction management including: Planning, Surveying, Design, and Inspection. He is experienced in the process and coordination required between permit and funding agencies, owner, public, project design team, governmental agencies, and contractor for completion of a successful project. Since 1972, Stephen has been involved in more than 1,600 municipal improvement projects.
Robert E. Bynum, P.E.
Robert E. Bynum, P.E.Project Engineer
Robert is a professional engineer with over 23 years of experience in various civil engineering projects. Robert’s emphasis has been on municipal water and wastewater system engineering. He has conducted water treatment plant evaluations and troubleshooting for over 75 different communities in Oregon with recommendations for process and operational improvements as a Circuit Rider for the Oregon Drinking Water Program for over 6 years. He also has extensive experience with the various funding agencies including RUS and IFA and has prepared many funding application packages. Robert has functioned as Engineer-of-Record for numerous communities in Oregon for 14 years.
Andrew J. Locati
Andrew J. LocatiProject Architect
Andrew has over 26 years of architectural design and project management experience. He has a broad architectural design background in a diverse variety of projects such as: commercial buildings, historic building restorations and adaptive re-use, waterfront boardwalk design, school district master planning, financial institutions, medical institutions, restaurants, automobile dealership, and numerous residential designs.
Tim Lambson
Tim LambsonProject Architect/Project Manager
Tim is an Project Architect and Project Manager in HGE’s architectural department who recently passed the National Architecture Exam. He has worked on project proposals, all phases of design, development of specifications, and construction administration of various project types. He prepares AutoCAD and graphic renderings for client presentations, preliminary design proposals, design development, and construction document phases of various projects.
Stephanie A. Martell, ASLA
Stephanie A. Martell, ASLALandscape Designer/Project Manager/Drafting Technician
Stephanie works on a variety of project types including: educational, medical, commercial, residential multi-family, and landscaping/site improvements. She is an expert on plants in the Pacific Northwest and proficient in many graphic design applications. She is also experienced in storm water design as related to site design, including bioswales, filter basins, and rain gardens. Stephanie handles construction document preparation, preliminary design renderings and other graphic deliverables.
Perry St. John
Perry St. John
Susan Ceniza
Susan Ceniza