Cris Kobryn

Short description: American systems engineer and software engineer

Cris Kobryn (1952) is an American systems engineer and software engineer best known for leading international teams of vendors and users in defining the Unified Modeling Language (UML) v1 and v2 standards for software engineering, as well as the Systems Modeling Language (SysML) v1 standard for systems engineering.[1][2][3] He is the Founder and CTO of PivotPoint Technology Corp., a systems and software engineering services company that he founded in 2003.[1]

## Contents

* 1 Biography
* 2 Publications
* 3 References
* 4 External links

## Biography

Kobryn began his software engineering career in the early 1980s specializing in AI programming languages (Prolog, Lisp, CLOS) and applications (knowledge-based expert systems, natural language processing). He led the applications group at Harlequin Limited in the early 1990s that developed two innovative commercial AI application products: 1) KnowledgeWorks, a Knowledge-Based Expert System (KBES) toolkit built on top of Harlequin's flagship LispWorks product, which supported rule-based or logic programming (including support for Prolog) and a SQL database interface; 2) Watson, a version of KnowledgeWorks customized for police investigative analysis applications, which was eventually acquired by Xanalys Limited.[4]

Kobryn is known as an expert in Model-Based Systems Engineering (MBSE) and Model-Driven Development (MDD) technologies. In 2003 he founded PivotPoint Technology, a systems and software engineering services company that focuses on MBSE and MDD technologies.[4] Prior to founding PivotPoint Kobryn held senior technical positions at Telelogic, EDS, MCI Systemhouse, Inference Corporation, Harlequin, and SAIC. Before Kobryn became a software engineer he served as a commissioned officer in both the U.S. Marine Corps and the U.S. Army, and was infantry, armor, airborne and Special Forces qualified.[5]

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.[6] 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 Partners open source project that he chaired.[7] [8]

Kobryn received a BA degree from Colgate University and a BSCS degree from San Diego State University (SDSU). His multi-disciplinary graduate studies at SDSU and UCLA explored the synergies between linguistics, computer science and Artificial Intelligence (AI).

## Publications

As an expert in Model-Driven Development and Model-Based Systems Engineering technologies, Kobryn has published a book and many papers and articles on these subjects.[9][10][11]

* Gogolla, M and Kobryn, C [Eds.] (2001). UML 2001 - The Unified Modeling Language, 4th International Conference, Toronto, Canada, October 2001 Proceedings, Springer.[12]
* Kobryn, C (1999). "UML 2001", Communications of the ACM, 42(10):29-37.[13]
* Kobryn, C (2000). "Modeling components and frameworks with UML", Communications of the ACM 43 (10), 31-38.[14]
* Kobryn, C (2004). "UML 3.0 and the Future of Modeling", Software and Systems Modeling, 3(1):4–8.[15]

## References

1. ↑ "SysML FAQ: Who created SysML and how did it get its name?" (in en). https://sysml.org/sysml-faq//sysml-faq/who-created-sysml.html.
2. ↑ "PivotPoint: Cris Kobryn - Founder & CTO" (in en). https://pivotpt.com/about/people//about/people/cris-kobryn-bio.html.
3. ↑ "Cris Kobryn – Bio | kobryn.com" (in en). https://kobryn.com/bio/index.html.
4. ↑ 4.0 4.1 PivotPoint Technology Corporate Bio. "Cris Kobryn". http://www.ptcorp.com/people/kobryn.htm.
5. ↑ C. Kobryn. "Cris Kobryn - Bio". http://www.kobryn.com/bio.htm. Retrieved 2008-11-11.
6. ↑ C. Kobryn (2004). "UML 3.0 and the Future of Modeling". Software and Systems Modeling 3 (1): 4–8. doi:10.1007/s10270-004-0051-4.
7. ↑ SD Times. "SD Times 100". Archived from the original on 2008-06-06. https://web.archive.org/web/20080606045818/http://www.sdtimes.com/content/about-sdtimes100.aspx. Retrieved 2008-03-26.
8. ↑ PRLog.org. "SysML Partners Honored ...". http://www.prlog.org/10019069-sysml-partners-honored-as-leader-on-the-sd-times-100-list.html. Retrieved 2009-08-25.
9. ↑ "Cris Kobryn". https://scholar.google.com/citations?user=6CzJPlkAAAAJ&hl=en.
10. ↑ DBLP Computer Science Bibliography. "Cris Kobryn: List of Publications". http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/k/Kobryn:Cris.html. Retrieved 2006-07-02.
11. ↑ C. Kobryn. "Cris Kobryn - Selected Publications". http://www.kobryn.com/pubs.htm. Retrieved 2008-11-11.
12. ↑ Gogolla, Martin; Kobryn, Cris, eds (2001). ≪UML≫ 2001 — the Unified Modeling Language. Modeling Languages, Concepts, and Tools. Lecture Notes in Computer Science. 2185. doi:10.1007/3-540-45441-1. ISBN 978-3-540-42667-7. http://dx.doi.org/10.1007/3-540-45441-1.
13. ↑ Kobryn, C (1999). "UML 2001". Communications of the ACM 42 (10): 29–37. doi:10.1145/317665.317673. ISSN 0001-0782. http://dx.doi.org/10.1145/317665.317673.
14. ↑ Kobryn, Cris (2000). "Modeling components and frameworks with UML". Communications of the ACM 43 (10): 31–38. doi:10.1145/352183.352199. ISSN 0001-0782.
15. ↑ Kobryn, Cris (2004). "UML 3.0 and the future of modeling". Software & Systems Modeling 3 (1): 4–8. doi:10.1007/s10270-004-0051-4. ISSN 1619-1366. http://dx.doi.org/10.1007/s10270-004-0051-4.

## External links

* PivotPoint Technology corporate bio page for Kobryn
* Cris Kobryn's Home Page

* v
* t
* e

Software engineering

Fields|

* Computer programming
* Requirements engineering
* Software deployment
* Software design
* Software maintenance
* Software testing
* Systems analysis
* Formal methods

Concepts|

* Data modeling
* Enterprise architecture
* Functional specification
* Modeling language
* Orthogonality
* Programming paradigm
* Software
* Software archaeology
* Software architecture
* Software configuration management
* Software development methodology
* Software development process
* Software quality
* Software quality assurance
* Software verification and validation
* Structured analysis

Orientations|

* Agile
* Aspect-oriented
* Object orientation
* Ontology
* Service orientation
* SDLC

Models|

| Developmental|

* Agile
* EUP
* Executable UML
* Incremental model
* Iterative model
* Prototype model
* RAD
* UP
* Scrum
* Spiral model
* V-Model
* Waterfall model
* XP

|

Other|

* SPICE
* CMMI
* Data model
* ER model
* Function model
* Information model
* Metamodeling
* Object model
* Systems model
* View model

Languages|

* IDEF
* UML
* USL
* SysML

Software
engineers

* Victor Basili
* Kent Beck
* Grady Booch
* Fred Brooks
* Barry Boehm
* Peter Chen
* Danese Cooper
* Ward Cunningham
* Tom DeMarco
* Edsger W. Dijkstra
* Delores M. Etter
* Martin Fowler
* Adele Goldstine
* Margaret Hamilton
* C. A. R. Hoare
* Lois Haibt
* Mary Jean Harrold
* Grace Hopper
* Watts Humphrey
* Michael A. Jackson
* Ivar Jacobson
* Alan Kay
* Nancy Leveson
* Stephen J. Mellor
* Bertrand Meyer
* David Parnas
* Trygve Reenskaug
* Winston W. Royce
* James Rumbaugh
* Mary Shaw
* Peri Tarr
* Elaine Weyuker
* Niklaus Wirth
* Edward Yourdon

Related fields|

* Computer science
* Computer engineering
* Project management
* Risk management
* Systems engineering

* Category
* Commons

* v
* t
* e

Systems Modeling Language

Actors|

* International Council on Systems Engineering
* Object Management Group
* SysML Partners
* Cris Kobryn

Concepts|

* Activity
* Actor
* Association
* Attribute
* Block diagram
* Event
* Functional flow block diagram
* Generalization
* Inheritance
* Interface
* Message passing
* Object composition
* Object-oriented analysis and design
* Package
* Parametric equation
* Profile
* State
* Use case

Other topics|

* Systems engineering
* Unified Modeling Language
* XML Metadata Interchange

* v
* t
* e

Unified Modeling Language

Actors|

* Organizations
* Object Management Group
* UML Partners
* Persons
* Grady Booch
* Ivar Jacobson
* James Rumbaugh

Concepts|

| Object oriented|

* Object-oriented programming
* Object-oriented analysis and design
* Object-oriented modeling

|

Structure|

* Actor
* Attribute
* Artifact
* Class
* Component
* Interface
* Object
* Package
* Profile diagram

Behavior|

* Activity
* Event
* Message
* Method
* State
* Use case

Relationships|

* Association
* Composition
* Dependency
* Generalization (or Inheritance)

Extensibility|

* Profile
* Stereotype

Other|

* Multiplicity

Diagrams|

| Structure|

* Class
* Component
* Composite structure
* Deployment
* Object
* Package

|

Behaviour|

* Activity
* State Machine
* Use case

Interaction|

* Communications
* Sequence
* Interaction overview
* Timing

Derived languages|

* Systems Modeling Language (SysML)
* UML eXchange Format (UXF)
* XML Metadata Interchange (XMI)
* Executable UML (xUML)

Other topics|

* Glossary of UML terms
* Rational Unified Process
* List of Unified Modeling Language tools
* Object Modeling in Color

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