IES Fundamentals of Lighting -

Marissa Sexton is a lighting specialist with Introba, one of the world’s leading engineering and consulting firms focused on sustainable design and building performance. With a strong background in lighting systems, luminaire technology, and integrated building solutions, Marissa brings both technical expertise and a passion for thoughtful, human‑centered lighting design.

At Introba, she plays a key role in developing lighting strategies that balance aesthetics, efficiency, and occupant experience across a wide range of project types. Marissa is known for her clear, approachable teaching style and her commitment to advancing understanding of emerging lighting technologies within the design and engineering community.

In an industry shaped by evolving regulations and rapidly advancing technology, understanding codes and standards is essential for delivering safe, efficient, and compliant projects. This program provides a comprehensive overview of the key codes and standards influencing today’s engineering practice, including the intent behind these requirements, how they impact project decision‑making, and best practices for integrating them into real‑world design workflows.

Barry Reeb of McClure Engineering will guide participants through the practical application of codes across various project types, highlighting common challenges, changes to watch for, and strategies to stay ahead in a constantly shifting regulatory landscape. Attendees will gain valuable insights to strengthen their technical judgment and enhance the quality and consistency of their work.

Randy Burkett, RBLD, is a nationally recognized lighting designer and the principal of Randy Burkett Lighting Design (RBLD). With decades of experience shaping award‑winning architectural and environmental lighting projects, Randy is widely respected for his ability to blend technical expertise with artistic intent to create meaningful, memorable illuminated environments.

Throughout his career, Randy has contributed to the lighting of landmark cultural, civic, commercial, and public spaces across the country. His approach emphasizes context, visual comfort, sustainability, and the emotional impact of light—principles that have made his work influential within the lighting design community.

As an educator and speaker, Randy is known for his engaging, thoughtful presentation style and his ability to translate complex lighting concepts into practical, inspiring guidance. His deep expertise in exterior and environmental lighting makes him an invaluable resource for professionals seeking to elevate their design approach while addressing the unique challenges of illuminating outdoor environments.

Matt Berhegger is a technical sales professional with Vector Electrical Sales, specializing in lighting controls, system integration, and emerging technologies within the electrical and lighting industries. With extensive hands‑on experience supporting designers, contractors, and end users, Matt has built a reputation for making complex control strategies understandable, practical, and achievable.

In his role at Vector Electrical Sales, Matt provides in‑depth product knowledge, system design support, and technical training across a variety of commercial and institutional project types. His approach emphasizes clarity, functionality, and real-world application—ensuring project teams can confidently implement control solutions that meet both project goals and evolving energy codes.

Known for his engaging teaching style and up‑to‑date expertise, Matt is dedicated to helping industry professionals navigate the rapidly changing world of lighting controls and leverage technology to create smarter, more responsive built environments.

Mark Delafuente is a lighting specialist with Massetti, bringing deep expertise in lighting metrics, photometric analysis, and advanced rendering techniques used throughout today’s design and engineering disciplines. Known for his technical precision and approachable teaching style, Mark helps bridge the gap between complex lighting science and real‑world project application.

With extensive experience supporting architects, engineers, and lighting designers, Mark has developed a strong reputation for guiding teams through the critical elements of interpreting photometric data, evaluating fixture performance, and leveraging calculation tools to achieve accurate, high‑quality lighting outcomes. His work emphasizes the importance of data‑driven design decisions and clear visualization to support both project intent and technical performance.

Mark’s passion for elevating industry understanding—combined with his practical, real‑world insight—makes him a valuable resource for professionals seeking to strengthen their skills in lighting calculations, photometry, and visualization.

Dave Meglio of Meglio & Associates is a seasoned lighting professional known for his deep technical understanding of electric light sources and their application across a wide range of architectural, commercial, and industrial environments. With decades of experience supporting the lighting and electrical design community, Dave brings a valuable blend of product expertise, practical field knowledge, and an educator’s ability to explain complex concepts with clarity and relevance.

As an instructor, Dave is known for his engaging style, real‑world examples, and commitment to strengthening industry understanding of how electric light sources function and perform. His expertise makes him a trusted resource for professionals looking to build a stronger foundation in lighting fundamentals while staying current with technological change.