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About Paul Preiss

Paul Preiss is the CEO and Founder of the Iasa, one of the largest Enterprise and IT architect associations in the world. Through his time at Iasa, Paul has taken the association from a single user group in Austin Tx to an international organization with chapters in over 25 countries. Paul’s vision is a unified architecture profession with effective education, credentials and ethics which fully supports corporate strategy and delivery. He is a tireless advocate for the field and speaks on topics ranging form architecture ethics to best the best setup and structure for architecture teams. Paul has spoken at hundreds of events as well as held conferences and training for architects all over the world. He is an expert software and enterprise architect in practice and continues to work with companies on optimizing their technology strategy. Prior to developing Iasa, Paul was the chief architect for Dell Pan Asia where he helped to integrate the technology strategy across 14 countries. He also served as the chief architect for the Sears point of sale replacement in North America consisting of 2000 stores and thousands of suppliers as well as the chief architect for a digital asset management firm, Ancept.

Agile Architecture @ Scale

Scaling agility may very well depend on the ability to integrate architecture excellence into the project.

Business Model Canvas

The BMC provides a business model on a page used for architecture and innovation.

OKR Card

The OKR provides measurements against an objective for benefits tracking.

Reactor Pattern

The reactor pattern already underpins many of the platforms you use today, and is now one of the most common ways to deal with concurrency.

Bulkhead Pattern

The bulkhead pattern enforces the principle of damage containment and provides a higher degree of resilience by partitioning the system.


The throttling pattern is used to allow a service to maintain a steady pace when process multiple customer requests. Throttling can be implemented using multiple strategies: •Rejecting requests from an individual user who has already accessed the service more than n times over a given period of time. •Disabling or degrading the functionality of selected nonessential services

Architecturally Significant Requirements

Download The ASR Card is a tool to define an architecturally significant requirement. Card AreaDefinition/UseLinks ToASR and ContextWrite the ASR in common requirements format for your target PM method. Significance and Impact Describe how the ASR is significant and what makes it so. OKRsCharacteristicsList relevant characteristics based on estimations from stakeholders.Strategy and PlanWhat decisions need

Architecture Assessment

Architecture assessments provide an essential tool to reduce risk, increase decision quality and ensure successful architecture delivery.


Competency is the knowledge, skills and ability of an architect to deliver value within the purpose of the profession.