Chief Software Architect
Dr. Russell is a software engineer with a background in mechanics and fluid dynamics, both theoretical and computational. He has participated in the design of Itasca software for more than 30 years.
Principal Engineer, Software Manager, 3DEC Product Manager
Jim Hazzard is a geological engineer with a Ph.D. in geophysics. He has extensive experience in software development for geomechanics and he is currently the Software Manager at Itasca Consulting Group, as well as product manager and primary developer for 3DEC.
Dr. Hazzard is also a consultant with Itasca and has worked on several projects evaluating the stability of open pit and underground mines. Other interests include numerical modeling of seismicity and hydraulic fracture. Dr. Hazzard is a registered Professional Engineer in Ontario, Canada.
Senior Geomechanics Software Engineer II, FLAC3D Product Manager
Dr. Chéng is a geomechanics engineer with academic background in numerical modeling and geotechnical engineering, and is a licensed Professional Engineer in California. He has research experience in the coupling of porous media and fluids, liquefaction models, and soil and rock mechanics.
Dr. Chéng has performed many geotechnical projects on seismic-hazard evaluation, earthquake-soil-structure interaction on bridges, tunnels, underground structures, dams, slopes, and highways. He actively participated in the seismic retrofits on several toll bridges in the state of California.
Dr. Chéng has particular experience in numerical modeling for geotechnical projects. He currently is the Software Product Manager for FLAC3D and responsible for the maintenance of constitutive models.