Team Leaders

Our Success Is Driven by the Talent and Dedication of Our Team

From visionary architects to skilled engineers, each member of the AEPAC team brings a wealth of experience and a passion for creating remarkable spaces. As a Woman-Owned Small Business, we take pride in fostering a diverse and inclusive work environment where innovation and teamwork thrive.

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    Lorraine Minatoishi, Ph.D., AIA

    President & CEO

    Dr. Minatoishi holds a Doctorate of Engineering degree from world-renowned Waseda University and has over two decades of professional experience. Her management strategies and expansive understanding of federal undertakings have led successful project completion. Specializing in historical preservation, Minatoishi applies the concepts of attention to detail, cultural sensitivity, and code compliance to the complex rehabilitation and new build projects at AEPAC. Rooted in architectural design, Minatoishi has grown AEPAC into a full-service Architecture Engineering Construction (AEC) firm in order to apply the signature standard of high quality to all disciplines of projects.

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    Angelica Terrazas

    Managing Director

    Angelica Terrazas is a highly skilled Managing Director with extensive experience across various industries, known for delivering exceptional results while adhering to budget and timelines. She excels in building strong relationships with stakeholders and teams, coordinating meetings, and providing clear project updates. Terrazas’ expertise in federal procurement and program management allows her to effectively tackle complex challenges and ensures compliance with government requirements.

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    Ian Lam, PMP

    Director of Marketing & Business Development

    Ian Lam serves as the Project Manager overseeing all facets of AEPAC’s projects from inception to completion. His PMP certification, expertise in marketing strategy, and business development, enhances AEPAC’s visibility and competitive positioning in the architecture and engineering industry. His leadership ensures innovative approaches to client engagement and the successful execution of growth strategies.

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    Alan Downer, Ph.D.

    Chief Archaeologist 

    Alan Downer is Archaeological Principal Investigator at AEPAC, bringing a unique perspective as the former head of the Hawaii State Historic Preservation Division. His extensive expertise in historic preservation and project management ensures that AEPAC’s projects are executed with a deep respect for cultural heritage and historical accuracy. Alan's leadership integrates archaeological insight with effective project execution, enhancing the firm’s commitment to preserving and celebrating historical contexts.

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    Natalie Besl

    Architectural Historian

    Natalie Besl is an SOI Qualified Architectural Historian at AEPAC with expertise in cultural resource management and preservation planning. With 9 years of experience, Besl ensures accurate documentation and protection of historic resources. She has advanced training in architectural history and historic building treatment, and conducts historic building surveys, prepares compliance documentation for Section 106 and develops strategies that balance regulatory requirements with project goals. Besl also specializes in Historic Tax Credit projects, National Register Nominations, and historic building analysis.

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    Roy Robins

    Director of Construction

    Roy Robins, a US Army Combat Veteran, served as an airborne combat engineer, construction engineering supervisor, certified instructor, and as first sergeant of an OCONUS regional support group under the 9th MSC over the course of his 25 years of active and reserve military service. Robins also served as project manager, project engineer, quality control representative, and Contracting Officers Representative (COR) as a Department of the Army Civilian for three USACE districts. Robins possesses a breadth of experience, earned a bachelor’s degree in business administration, and keen project management capability. His familiarity with the DoD and military community enables AEPAC to deliver efficient and effective project solutions. With his guidance, AEPAC now includes construction capabilities providing turnkey design build solutions.

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    Chris Boyce

    Project Coordinator

    With degrees in Political Science and Psychology from Texas A&M University-Corpus Christi, I bring a unique blend of analytical and interpersonal skills to every role I take on. My journey began in retail management and sales, where I honed my expertise in customer relations and team leadership as a top-performing manager and sleep consultant at Mattress Firm.

    Transitioning to administrative excellence, I served as an Office Assistant at the Research Corporation of the University of Hawaii. There, I played a key role in modernizing vessel registration systems, managing sensitive documents, and coordinating with financial institutions—all while maintaining public service standards during a challenging public health emergency.

    As a project coordinator for AEPAC, Boyce leverages his diverse experience to assist architecture and engineering teams with everything from administrative duties to project research, site visits, marketing, and submittals. Highly skilled in organization and teamwork, Boyce thrives in complex roles that demand precision, collaboration, and a forward-thinking approach, bringing multi-disciplined projects to successful completion. 

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    Steve Neumann, CCS

    Architect Level III

    Steve Neumann is an Architect III and Certified Construction Manager (CCM) with over a decade of international and local experience. He holds a BA in Anthropology from Stanford University and a Master of Architecture from Westminster. Steve worked as an architect in London for three years and in Japan for nearly eight before relocating to Hawaii. At AEPAC, he applies his expertise in design, project coordination, and construction oversight to deliver projects with efficiency, accuracy, and lasting value.

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