HMH provides a collaborative and comprehensive approach to the design process. Whether we are providing multi-faceted services or specific discipline support for a project, our team approach adds value. With over forty-five years of private and public project experience in the Bay Area and California, HMH’s contributions have resulted in project success. Principals of the firm include David M. Wilson, Raymond T. Hashimoto, David R. Stanton, Stephan E. Kuehn, William B. Sowa, Zeferino Jimenez, and Jon Cacciotti.