Kobryn is a member of the ACM, IEEE, INCOSE and AAAI. He chaired large international teams of vendors and users to specify the Unified Modeling Language (UML) 1.1 and UML 2.0 standards for software engineering, and the Systems Modeling Language (SysML) for systems engineering. In recognition of Kobryn's contributions to the UML, the OMG presented him with its Distinguished Service Award in 2000. In recognition of his contributions to the SysML, the INCOSE presented him with its Outstanding Service Award in 2006. In 2007 Kobryn received the SD Times 100 award for the Modeling category on behalf of the SysML Partnersopen source project that he chaired.