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>>>What is this person’s background?<<<

Seems he has a series of websites one of them is:

I don’t know that he is a financial big-wig but he sure shoots straight from what I am seeing in some of his other posts.

His Resume:

Karl S. Denninger
karl@denninger.net

I am available for selected engagements at the present time. If you have specific requirements and would like to discuss them with me, please email me with some general information including the location of the required effort, and we can discuss your requirements and my availability to handle your specific needs. To get around my “spam filter” please place the word “consulting” in the subject line. My specific areas of expertise include:

* Internet security and the design of secure communications systems.
* Infrastructure design for E-Commerce, Internet and Intranet applications.
* Systems architecture, including high-availability, scalable systems, particularly on Unix systems such as Linux or FreeBSD.

Professional History

* 1987 - 1998: D&D Software / Macro Computer Solutions, Inc: Chief Executive officer; responsible for general corporate management, strategic planning and systems engineering, including the operation of a major regional Internet Service Provider and all aspects of ISP operation, both from a technical and business perspective. The corporation was acquired by Winstar Communications in August of 1998.

* 1991 - 1993: VideOcart, Inc, Chicago IL: Responsible for all network design, implementation and operation of the US National VideOcart backbone and local area networks, based on TCP/IP and open systems protocols. Responsible as the programming team leader for network software development in the VideOcart network, a 24x7x365 high-availability distributed system for displaying point-of-purchase advertising on grocery shopping carts.

* 1989 - 1991: A.C. Nielsen Bannockborn IL: Responsible for network engineering on the Bannockborn Campus as well as general corporate connectivity in an open-systems (Unix-centric) environment. Managed the I.T. staff related to providing internal “customer service” functionality, performed systems planning and engineering, and designed and implemented both ethernet and fiber-optic connectivity. Responsible for the development, installation, security and maintenance of the firm’s Internet connectivity.

Areas of Significant Expertise

* Unix System Administration: 15 years of experience in System V, BSD, and IBM AIX Unix systems. Specific areas of expertise include Internet-connected systems, security, HTTP service (including web farms), Usenet news service, DNS (domain name servers) and system clustering in both enterprise and Internet service provider environments.

* Systems and Application Programming: 15 years of experience in both system and application programming, particularly in “C” on Unix environments. System clustering, security, application and management software experience, both individually and as a team leader in major project environments.

* Unix System Security: 15 years of experience in “hostile” environments, including Internet Service Provider and corporate system development. Expertise in security auditing, firewall technology and secure site planning on both electronic and physical levels.

* Internet Backbone Operation: 5+ years of experience in backbone core routing, including the design, operation, and configuration of the Network 99 national Internet backbone, the MCSNet regional network, and multiple complex corporate installations. Comfortable with CISCO backbone hardware, including the 7xxx series of equipment in a national infrastructure format. Telephone circuit and vendor expertise including DS1, DS3, OC-3 circuit and transport formats.

* Corporate Operation & Management: 10 years of experience operating a small and mid-size business, including negotiation with vendors, employment matters, financial issues and top-level management.