Mechanical Technical Director | Vice President Ken Biesma, vice president, is the technical director of mechanical engineering for Henderson’s team of dedicated quality control professionals. A veteran engineer who has been at Henderson since 1996, Ken is familiar with almost every project we’ve ever touched. With a detailed eye, he spends his days reviewing drawings for everything from small office spaces to $1-billion sports arenas. Always willing to pause and work through a question or challenging design, Ken’s wisdom, patience, and dedication make him an invaluable mentor and adviser to our mechanical engineers and designers. Additionally, his expertise has had a tangible effect on the creation of our numerous in-house mechanical tools, standards, specifications, training materials, and guidelines.