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Management Team

David Coursey has more than 30 years' experience in emergency services, broadcasting, journalism, publishing, small business, and technology. NWC represents his vision that people shouldn't have to find emergency warnings--that warnings should find people.

To that end, NWC is working to make warnings easier to create and distribute and to extend the reach of emergency warnings to the Internet and wireless devices.

David's primary role in National Warning Corporation is as evangelist, strategic thinking, user interface design, and customer and industry liaison.

He has been recognized as one of the most influential industry analysts and consultants in the technology business and has a proven track record in building successful technology businesses as both an entrepreneur and executive with major technology media companies such as Ziff-Davis and IDG.

David is a nationally-registered Emergency Medical Technician and SARTECH who has been a volunteer with the San Mateo County (CA) Office of Emergency Services, the American Red Cross, the California Department of Forestry and Fire Protection, and other agencies.

He is a sought-after instructor for first-responder seminars on setting up information systems, public information, media relations, and warning protocols. He is also a respected consultant on user interfaces, software usability, and product development to leading technology companies including Microsoft, Intel, the Software and Information Industry Association, and many others.


David's personal website.


Deb McAlsiter is responsible for NWC's marketing, administrative and legal management, recruiting, and product positioning. She has a proven track record in building successful technology business, including Starfish Software (purchased by Motorola), Zone Labs (purchased by Checkpoint Software), Netflix (successful IPO), and several others.

Deb is an award-winning writer and technology marketer with more than a dozen top industry awards.

She has extensive experience as a volunteer with the Dallas Sheriff’s Department, Children’s Medical Center of Dallas, and the Hurricane Katrina Evacuation Center in Dallas.

MBA from Florida State University; B.S. from Southern Methodist University.

Jonathan Sapir is NWC's chief technology officer, responsible for product development and testing, Q&A, documentation, and supervision of programming staff. He has a 30-year track record as the chief technology officer and software architect for a successful software consulting and tools business he founded, called InfoPower Systems, Inc.

Author of multiple industry-related articles (published in Computerworld, SOA Web Services Journal, Infoworld, etc.) and a book on the future of IT (Igniting the Phoenix: A New Vision for IT).