Sanford Friedenthal. Sanford Friedenthal is an industry leader and independent consultant in model-based systems engineering (MBSE). He was formerly a Technical Fellow at Lockheed Martin, where he led the effort to enable Model-Based Systems Development (MBSD) and other advanced practices across the company. Dr. Friedenthal has been a leader of the industry standards effort through the Object Management Group (OMG) and INCOSE to develop the Systems Modeling Language (OMG SysML (R)) that was adopted by the OMG in 2007. He is co-author of 'A Practical Guide to SysML' and 'Architecting Spacecraft with SysML'. Dr. Friedenthal more recently co-led the effort to develop the next generation of SysML (v2) and co-chairs the OMG Systems Modeling Community (SMC) to further advance systems modeling practices.