Bob Halper

Chief Executive Officer

Bob has over 25 years of experience in the lighting industry and custom projects. His deep network of relationships fuels new opportunities while reinforcing the company’s reputation for reliability and excellence. An active member of the Illuminating Engineering Society and a board member of the Cleveland Restoration Society, Bob remains closely connected to both the technical and community sides of the industry. 

Doug Cohen

Chief Operations Officer

Doug connects sales, design, and production into a unified, efficient process. He develops systems that keep projects organized and scalable while ensuring creative design ambitions align with budget, scope, and real-world execution.

AnnE Halper

Accounting & Finance

Anne brings years of experience in sales and financial management, ensuring alignment between external purchasing groups and internal accounting processes. Her oversight supports financial clarity and operational stability.

Tyra Bulson

Engineer

Tyra brings technical precision, organization, and analytical thinking to every HOLOS product and application. She supports both sales and marketing development while ensuring all custom luminaires meet UL listing requirements and underwriting standards, bridging innovation with compliance.

Bob Grobolsek

Metal Fabrication Consultant

Bob contributes extensive metal fabrication expertise to our creative process. His deep understanding of materials and methodology supports design for manufacturing, helping to translate concepts into efficient, buildable solutions.

Natalie Winer

Administrative Resource Coordinator

Natalie keeps communication clear and projects moving seamlessly across teams. She brings structure and consistency to workflows and documentation, turning direction into actionable next steps that keep progress on track.

Eric Hugg

Studio Coordinator

Eric delivers high-detail craftsmanship with a strong sense of production leadership. He champions quality at every stage, helping ensure each product meets HOLOS’ exacting standards.

Jackie Spigelmoyer

UL & Controls Specialist

Jackie leads UL compliance and controls integration across HOLOS products. She ensures regulatory standards are met throughout and beyond production, balancing speed and accuracy to deliver efficient, high-quality outcomes.

Paul Beaver

Craftsman

Paul applies his general contracting background to execute project tasks with precision and adaptability. He thrives in any custom environment, responding effectively to evolving designs and project demands.