Mario M. Guzman Biography
Mr. Guzman is president of MG Technologies, Inc., an organization providing
the most current knowledge in the development of systems and applications
software. Mr. Guzman has been working with CICS since 1970 and VSAM since
1974. He is one of the most experienced CICS systems designers today. He
has been developing operating systems and application software since 1970.
He is called upon to resolve reliability and performance problems when all
else fails.
Mr. Guzman is one of the leading CICS and VSAM instructors. Thousands have
benefited from his 30+ years of teaching, design and tuning experience. His
classes are renowned for their up-to-date comprehensiveness and concise
presentation. Mr. Guzman illustrates techniques that improve response times,
reliability and user friendliness. His classes are some of the few available
that provide information on how to implement fully recoverable systems
without sacrificing performance.
Mr. Guzman began teaching Communication Electronics to the handicapped in 1966.
He taught numerous CICS and VSAM classes at Golden Gate University in San Francisco
where he also served on the Database and Data Communications Committees.
Mr. Guzman has taught over 5000 data processing professionals and instructs all our
classes to ensure students receive the highest level of expert training possible.
Partial List of Skills
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z/OS and z/VSE operating system tuning
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Installation of z/OS, z/VSE, CICS, VSAM, VTAM, TCP/IP and NCP
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CICS tuning of systems with thousands of terminals
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System problem analysis (performance, reliability and usability)
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Application design
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Database design
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Hardware and software analysis
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System and application conversions
Software Developed
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Complete application systems
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System level utility programs
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Interfaces to CICS for third party software
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CICS conversion tools
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Specialized interfaces to other TP environments
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PC connectivity software
Writing Experience
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Commentaries
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Newsletters
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Classroom text
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Programming standards
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Design guidelines
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Systems, applications and operations documentation
Technical Achievements
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Reduce CPU utilization over 60 percent
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Cut memory requirements in half
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Improve response time for 99 percent of all tune ups
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Perform application conversions with response time improvements
of up to 12 times faster
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Redesign printing applications to improve print time and reliability
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Modify operating system code to improve utilization
User Groups
Mr. Guzman teaches on-site and public classes all around the country.
He was a keynote and guest speaker at several user groups around the country,
some include:
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Bay Area Users Group (since 1982)
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Los Angeles MVS Users Group
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Los Angeles CICS Users Group
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Denver DMS Users Group
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Seattle DMS Users Group
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Portland DMS Users Group
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CODE Training Group
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MVT/VSE Users Group
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ADR SE training group
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Cincom TSR Groups
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