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Partner Engineering and Science, Inc.
Partner Engineering and Science, Inc.
You are here: Home » About Partner ESI » Our People » Leo Bertolino

Leo Bertolino

National Client Manager


  • Bachelor of Science, Environmental Sciences, University of Vermont

Certifications and Training

  • Certificate in Commercial Real Estate Financing, NAIOP University


Real Estate Account Executive with extensive experience in environmental and engineering due diligence for the real estate industry.

Leo Bertolino brings unique expertise and experience as an almost 10-year veteran of the environmental, engineering and construction consulting industry. With a strong background in environmental science, coupled with a deep understanding of the commercial real estate business process, Leo has become an expert in all things relating to commercial real estate due diligence. He has gained valuable knowledge and experience from having been personally involved in the details of thousands of real estate transactions for various client types, and therefore understands the specific needs and scopes of work required for all parties involved in a transaction. Leo’s due diligence resume includes advising lenders, real estate investors, asset managers, and attorneys on a wide gamut of due diligence. This knowledge allows him to offer the most efficient and cost-effective solutions for a wide array of commercial real estate transactions.

At Partner Engineering and Science, Inc. (Partner), Leo serves as a National Client Manager in the Torrance, CA office after starting his career as an Environmental Professional, conducting Phase 1 & II Environmental Site Assessments and working on large Remediation projects. In his current role, Leo collaborates with a multidisciplinary team out of 40 regional US offices to build, deepen, and influence a diverse set of client relationships who trust in Partner for engineering, environmental, construction and energy consulting services for commercial real estate assets.

Thought Leadership

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