Our People

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McAlister GeoScience attempts to attract talented professionals with a passion for client service in an industry where building client trust is frequently overlooked. We achieve these results by providing a culture that is focused on clients and deeply values our staff while also cultivating our firms new-coming employees through showing them the value of client trust. By recognizing clients and staff as the foundation for which productive results are built, McAlister GeoScience is able to build relationships with clients and provide services with people who are not only fun to work with but provide quality, responsible results on a timely basis meeting set budgets for every project.

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David McAlister

Founder and Principal
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David McAlister is the Founder and Principal of McAlister GeoScience. David has over 17 years of experience in the environmental field working for ERM and Tetra Tech. It was in 2012 we started McAlister GeoScience. From there it has grown into the multi-discipline, geological consulting firm with the same core value in mind, helping our clients achieve their goals.

David’s professional experience has been predominantly in the support of industrial and commercial real estate transactions, specifically Phase I & Phase II investigations, agency interaction, and in-depth site investigation / remediation work. He has been working with real estate agents, loan agents, loan processors, investors, and developers. His professional experience has also included litigation support and regulatory compliance as well as site investigation and remediation for a number of Fortune 100 companies over the years at various sites in the greater Los Angeles area. This has provided him with exposure to vast array of environmental challenges that are facing property managers and risk management professionals today.

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Brendan Shine

Professional Engineer, P.E.
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Brendan Shine possesses experience in domestic and international consulting in environmental, geotechnical, hydrogeologic, and construction management projects. Mr. Shine has successfully completed projects for clients in aerospace, petroleum, food, waste management, mining and other business sectors, and worked with government, both as an in-house contractor for the EPA and as a liaison for commercial clients. Focused experience includes field management of large-scale, high profile environmental and civil remediation programs, emergency responses, characterizations and monitoring programs, with hands-on experience in program design, budgeting, permitting, scheduling, management, and problem solving. Mr. Shine has considerable experience in report preparation, critical review, and project oversight.

Mark Spute

Lead Building Assessor, MBA, PMP
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Mark Spute is an experienced and detail-oriented Property Condition Assessor who has assessed over 3.38 million square feet or property in 2017 and over 2.07 million square feet in 2016. Mark has experience with a broad array of property types, foreign and domestic, for leading public and private sector companies.

Mark has worked for Brookfield Global Integrated Services and assessed a 895,503 square foot medical research laboratory, seven 4 to 9 story buildings with 3 level underground parking structures on 7 acres. He determined corrective actions and cost estimates for associated defect conditions and provided written reports about the general condition of all building systems. Mark has also worked for Partner Engineering & Science, AEI and EMG performing numerous Property Condition Assessments of varying property types.

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Andrew Gwin

Staff Scientist
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Andrew Gwin is an environmental health scientist with experience in public health, property management, and the environmental consulting field. Mr. Gwin has experience conducting Phase I due diligence for clients including banks, institutional investors, portfolio managers, and solar power developers. Mr. Gwin has an in-depth interdisciplinary knowledge including epidemiology, environmental science, and renewable energy.

Joshua Kajiyama

Staff Scientist
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Joshua Kajiyama is a geologist with experience in the environmental consulting field conducting Phase I and Phase II due diligence for clients including banks, institutional investors, portfolio managers, and solar power developers. Joshua possesses direct experience with the investigation, historical research, and hydrogeologic modeling of subsurface soil and groundwater impacts.


235 E. Broadway, Suite 1120
Long Beach, CA 90802


Phone: (562) 489-7908
Fax: (562) 435-2566


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