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This profile was last updated on 11/20/15  and contains information from public web pages and contributions from the ZoomInfo community.

Mr. Gregg Kreizman

Wrong Gregg Kreizman?

Research Director

Gartner Group
Phone: (203) ***-****  
Email: g***@***.com
Local Address:  56 Top Gallant Road Stamford , Connecticut , United States
Gartner , Inc.
56 Top Gallant Rd P O Box 10212
Stamford , Connecticut 06904
United States

Company Description: Gartner, Inc. offers independent and objective research and analysis on information technology, computer hardware, software, communications and related technology...   more

Employment History


  • bachelor of science , applied science
    Miami University
198 Total References
Web References
All EA - Global Cloud Business [cached]
Let's say Gartner sends Greg, the Gartner EA consultant. The first thing Greg will want to do is make sure the architecture is driven from the highest levels of the corporation. The fact that he is being called by MedAMore's CEO will be very reassuring.
Exactly how Greg will proceed is difficult to predict, because Gartner does not have a firm, step-by-step process. However, it is likely that he will start by focusing on Cath's strategic vision for MedAMore. He will want her to specify her vision in business terms and resist any temptation to discuss technology. Here are some possible business-vision statements Greg might elicit:
Greg is purposely keeping these early discussions focused on business strategy.
Any one of Cath's vision "bullets" will have major ramifications across the business, information, and technical architectures. Part of Greg's job will be to prioritize the bulleted items. Let's say Cath decides that her highest priority is consolidating purchasing, because this will improve profitability in the near term.
Greg will soon work to turn Cath's idea about consolidated purchasing into a common-requirements vision (CRV). The CRV is where we will see some of the changes that will be required to drive Cath's vision for MedAMore. Greg will be going over the business changes with Bret and the technical and information changes with Irma, but he will also be working to bring everybody together as a unified team.
Greg will work with Bret (the business VP) to develop a target business architecture that supports consolidated purchasing. As soon as they have spec'd out the future system, they will also look at their current architecture to see what can be recycled.
Greg will work with Irma (the CIO) to develop a target information architecture that allows the home office to track regional inventories and consolidate procurement. They will also work on the technical architecture for the IT systems that will support the new business architecture. After they understand the future, they will look at current architectures for opportunities to reuse existing technology assets.
After Greg has completed the broad-brush architecture for their strategic vision, he will probably step back from the picture until the consolidated purchasing system has been implemented. If Cath needs help with the implementation of the architecture, she will likely look outside of Gartner, because Gartner does not do implementations.
As soon as the implementation of consolidated purchasing has been completed, Greg will step back in to help with the next iteration. His approach will be to keep the architecture at a high level, business-focused, and hone in on details only when and where necessary. He will continue to see his role not as creating an enterprise architecture for MedAMore, but helping them institute a process for allowing an enterprise architecture to emerge and evolve from the business strategy
[36] Bittler, R. Scott, and Gregg Kreizman. "Gartner Enterprise Architecture Process: Evolution 2005. October 21, 2005. Gartner ID: G00130849 [37] James, Greta A., Robert A. Handler, Anne Lapkin, and Nicholas Gall. "Gartner Enterprise Architecture Framework: Evolution 2005. October 25, 2005. Gartner ID: G00130855
Gartner takes on cloud identity management [cached]
In the meantime, however, Gartner analyst Gregg Kreizman has been looking at navigating the world as it is. He uses the term identity and access management (IAM) to describe the challenge. Echoing Carpenter, he notes, the same kind of identity islands or silos that have existed previously, are being replicated in the cloud.
As a consequence, he says, SaaS providers have begun to reinvent IAM functions, for instance applying APIs for federation and authentication to achieve something resembling single sign on.
"Enterprises that have deployed IAM now have to extend what they have done into the cloud and their SaaS apps," he says. According to Kreizman there has been some maturity around the authentication aspects of that challenge. However, he notes, to be successful in the public cloud there need to be APIs or a web service that the enterprise infrastructure can all.
Kreizman says traditional IAM vendors have been extending their products for federation, to extend with connectors that can engage with cloud resources such as Google Apps and SalesForce.
But for the time being, Kreizman says there is no one winning formula. "There is some trepidation regarding adopting these services. There are organizations that won't put identification data or other sensitive information in the cloud, period. However, some are 'kicking the tires.'"
Kreizman says those wrestling with IAM should become familiar with some of the relevant technologies, such as:
Law and Enforceability :: IOCS [cached]
Expert Analyst Opinion: Gartner, Gregg Kreizman
Expert Analyst Opinion: Gartner, Gregg Kreizman
Law and Enforceability :: IOCS [cached]
Expert Analyst Opinion: Gartner, Gregg Kreizman
Expert Analyst Opinion: Gartner, Gregg Kreizman
Law and Enforceability :: IOCS [cached]
Expert Analyst Opinion: Gartner, Gregg Kreizman
Expert Analyst Opinion: Gartner, Gregg Kreizman
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