executive team

Ben Gilbert

Mr. Gilbert has over 20 years of commissioning and mechanical engineering experience.  Ask him about fast cars and bikes!

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alex mathers

Mr. Mathers has over 15 years of mechanical and plumbing engineering experience.  Ask him about personal finance and investing!

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Michael Conway

Mr. Conway has 15 years of experience in commissioning and building automation.  Ask him about guitars and being a rockstar!

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Gilbert, Mathers, Conway - GMC Commissioning, Inc. (GMC Cx) is a registered California Corporation and Small Business Enterprise (SBE) founded and managed by three owner-operator principals.  GMC Cx is a fully independent, true third-party commissioning firm with no other affiliations or associations.


Our mission is Elevating Project Delivery by challenging the status quo of building construction, and operation with positive improvements to existing methods via Calibrated Commissioning.


We are passionate about performance. We  are committed to continually achieving higher levels of building and facility performance and the success of your project.   


We care about quality.  Calibrated Commissioning is our trademark quality assurance process with an emphasis on  planning, review, and change management so testing, turnover and the final product meet the Owner's intent.


Our philosophy is to propose on value, deliver on quality and finish with integrity.


GMC Cx is headquartered in San Diego, CA with an additional office in the Bay Area and works with national and international clients around the globe.