Daniel M. Birke
Michael Grapperhaus is a Principal with CD Companies and the Director of Mechanical Engineering. He is registered in 49 states and the District of Columbia and has provided engineering expertise to CD Companies for over 20 years. Michael strives to identify critical issues at the outset of a project and provides proactive and creative solutions during the early phases of a project to produce optimal outcomes. In addition to providing engineering overview, Michael is a Project Manager for corporate office and municipal engineering programs.