Michael Horn

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52 year

Technology Services

Consumer Services

Communications

Profile

Michael Horn was the founder of NetCitadel, Inc. founded in 2010, where he held the title of Chief Executive Officer.
He previously worked as Director-Product Management at Level 3 Parent LLC in 2005, Engineering Director & Chief Network Architect at NTT Global Networks, Inc. in 2004, Vice President-Operations & Customer Support at Avistar Communications Corp.
from 2007 to 2013, Vice President-Threat & Response Products at Proofpoint, Inc. from 2014 to 2018, and Head-Product Management, Engineering & Operations at Vidder, Inc. Mr. Horn received an undergraduate degree from George Mason University and an MBA degree from the University of Denver.

Former positions of Michael Horn

Companies	Position	End
PROOFPOINT, INC.	Corporate Officer/Principal	2018-06-30
LEVEL 3 PARENT LLC	Corporate Officer/Principal	2004-12-31
NTT Global Networks, Inc. NTT Global Networks, Inc. Information Technology ServicesTechnology Services Provides network and security solutions	Chief Tech/Sci/R&D Officer	2004-04-30
Vidder, Inc. Vidder, Inc. Miscellaneous Commercial ServicesCommercial Services Develops network security solutions based on the software defined perimeter standard	Chief Operating Officer	-
NetCitadel, Inc. NetCitadel, Inc. Packaged SoftwareTechnology Services Develops software-defined security for cloud computing services	Chief Executive Officer	-

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Linked companies

Private companies	8
Level 3 Parent LLC Level 3 Parent LLC Specialty TelecommunicationsCommunications Provides multinational telecommunications and internet services	Communications
Avistar Communications Corp. Avistar Communications Corp. Electronic Production EquipmentElectronic Technology Designs, develops, manufactures and sells networked video communications products	Electronic Technology
NTT Global Networks, Inc. NTT Global Networks, Inc. Information Technology ServicesTechnology Services Provides network and security solutions	Technology Services
Proofpoint, Inc. Proofpoint, Inc. Packaged SoftwareTechnology Services Provides cybersecurity platform and compliance solutions	Technology Services
George Mason University George Mason University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Denver University of Denver Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Vidder, Inc. Vidder, Inc. Miscellaneous Commercial ServicesCommercial Services Develops network security solutions based on the software defined perimeter standard	Commercial Services
NetCitadel, Inc. NetCitadel, Inc. Packaged SoftwareTechnology Services Develops software-defined security for cloud computing services	Technology Services