About Us

Our Mission

"Belden Consulting Engineers is an employee-owned company dedicated to providing our clients accurate and innovative engineering services. We are committed to operating ethically, efficiently, and successfully to meet our clients' needs."

Dennis Hay CEO

Dennis Hay has been active in the electrical engineering profession for forty years in California and Arizona. Thirty years ago, Dennis came to work at BELDEN Consulting Engineers as an electrical systems and lighting designer. He has since been president for the last twenty years and became CEO at the beginning of this year. He has developed specialized experience in a wide variety of projects including private and public schools and universities, commercial facilities, offices, supermarkets, and retail projects, multi-family and high rise residential housing, municipal projects including fire and police facilities, sports and recreation facilities, medical facilities including laboratories and hospitals, hospitality facilities including hotels, resorts and restaurants.

As CEO and one of four project managers, Dennis is responsible for overall office wide project coordination, determining budgets and schedules, establishing direction and design review to ensure total quality management and the satisfaction of the client’s needs.

  • Professional Member, Illuminating Engineers Society of North America
  • Professional Member, Construction Specifications Institute (CSI) Professional
  • Member, Coalition for Adequate School Housing (CASH)

Kevin Moore President

Kevin Moore’s electrical design experience began with an internship at Pacific Gas and Electric in 1974. He has been active in the electrical engineering profession for forty years. Kevin has developed specialized experience with grocery establishments, tenant improvements, parking structures, office buildings, banks, residential, hi-tech offices, retail, restaurants, and shopping centers.

As President and one of four project managers, Kevin is responsible for overall project coordination, determining budget and schedule, establishing direction and design review to ensure the satisfaction of the client’s needs. He also manages the construction administration as required to assist in the completion of a successful project.

  • AS, Engineering, Contra Costa College, California
  • AA, Environmental Design, Contra Costa College, California Member, East Bay Electric Club
  • Corporate Member, Illuminating Engineers Society
  • Member, International Association of Electrical Inspectors

Gerald Gonzales Registered Electrical Engineer

Gerald Gonzales, electrical engineer, has worked on institutional, and commercial projects since 1996. He has been involved in design of power, lighting, data communication and fire alarm systems, production of drawings and specifications from design development through construction documents.

  • B.Sc., Electrical Engineering, Mapua Institute of Technology, Philippines
  • Licensed California Professional Engineer

Marlon Yolangco Registered Mechanical Engineer

Marlon Yolangco is a Registered Mechanical Engineer with over 25-years of HVAC system and Plumbing design experience. He has experience in a wide range of project types, including residential, commercial, industrial, cleanrooms, medical facilities, schools, and office buildings. He uses his skills in combining theoretical design considerations with real world constraints to produce cost effective results that meet client’s requirements.

  • B.Sc., Mechanical Engineering, University Of Santo Tomas, Philippines
  • Licensed California Professional Engineer

Nestor Llanda Vice President

Nestor Llanda’s experience with BELDEN Consulting Engineers began during the summer of 1983 when he was hired as an electrical and lighting design engineer.  He has expertise in parks and recreation, malls, retail, office, church, schools, and healthcare facilities.

  • Bachelor of Science Degree in Engineering, Adamson University, Philippines
  • Illuminating Engineers Society
  • Course Work, Lighting Design, Interior Lighting, Power Systems – Sponsored by IES @ Arizona State University

Wei Xu Registered Professional Engineer

Wei Xu is a Registered Professional Engineer in Mechanical Engineering and is a LEED Accredited Professional. He has over nine-year of experience in HVAC design and plumbing design in commercial, retail, institutional, government, and industrial projects. Wei also has experience with toxic gas exhaust design, process gas piping, compressed air system, solar hot water system, humidity control, restaurant plumbing design, and siphonic roof drainage design.

  • Licensed California Professional Engineer
  • BS Mechanical Engineering, University of California, Berkeley
  • ASHRAE member