Vanasse Hangen Brustlin, Inc. Names New President/CEO Richard E. Hangen leaves post after 20 years WATERTOWN, MA Robert S. Brustlin, P.E. has been elected President and Chief Executive Officer of the 625-person engineering, planning and applied sciences firm. Brustlin succeeds Richard E. Hangen, P.E., who after serving 20 years as VHB's President has stepped into a new role as leader of VHB's firm-wide transportation planning and engineering practice. A 1974 graduate of Brown University, Brustlin has been heavily involved with some of VHB's largest and most complex land planning and infrastructure projects.