JONATHAN E SISK
- Aug 9, 2024
- 2 min read

Passed: August 2024
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Why Jonathan E. Sisk Mattered
Jonathan E. Sisk helped generations of developers understand and master the MultiValue data model. Through his work as an author, trainer, editor, and publisher, he transformed complex technical concepts into practical knowledge that enabled thousands of programmers, administrators, and organizations to successfully build and maintain MultiValue applications. His documentation, educational materials, and contributions to the Pick online help system established standards that continue to benefit the MultiValue community today.
In Memoriam
The MultiValue community mourns the loss of Jonathan E. Sisk, one of its most respected educators, authors, and advocates. Throughout his career, Jon dedicated himself to helping others understand the power and elegance of the Pick data model. His ability to explain complex technical concepts with clarity made him one of the industry's most trusted voices.
Jon's contributions to Pick training and documentation helped shape the education of countless MultiValue professionals. At a time when comprehensive technical resources were limited, his books, manuals, training materials, and editorial work provided developers with the guidance they needed to become productive and confident users of the technology. His influence extended across the industry, helping establish a common understanding of the Pick philosophy and the capabilities of the MultiValue data model.
Among his many lasting achievements were his contributions to the Pick online help system. Much of the structure and content he helped develop became a foundation for documentation that continued to serve users for many years. His commitment to accuracy, clarity, and education ensured that future generations of developers could build upon the knowledge of those who came before them.
Beyond his technical expertise, Jon was known for his generosity in sharing knowledge and mentoring others. He understood that the strength of the MultiValue community depended not only on innovative technology, but also on educating those who would carry it forward. His willingness to teach, answer questions, and encourage others left a lasting impression on colleagues and students alike.
Jonathan E. Sisk's legacy lives on in every developer who learned the MultiValue data model through his books, every administrator who relied upon his documentation, and every organization whose success was made possible by the knowledge he helped share. His work demonstrated that preserving and teaching knowledge is every bit as important as creating new technology.
The MultiValue community extends its deepest sympathies to Jon's family, friends, colleagues, students, and the many people whose careers were influenced by his dedication to education and excellence. His contributions will continue to guide and inspire the MultiValue community for generations to come.
This memorial will be updated as additional verified biographical and historical information becomes available.
