John Huffard

Founder at TENABLE HOLDINGS, INC.

Net worth: 20 M $ as of 2026-06-29

58 year

69 connections

Technology Services

Consumer Services

Finance

Profile

Mr. John C. Huffard is an Independent Director at Norfolk Southern Corp. and a Member of National Security Telecommunications Advisory Committee. He is on the Board of Directors at Immersive Labs Ltd., Norfolk Southern Corp., Tenable Holdings, Inc. and Tenable Network Security, Inc. Mr. Huffard was previously employed as a Director-Corporate Development by Enterasys Networks, Inc., a Principal by HarbourVest Partners LLC, a Principal by Host Marriott Corp. /Old/, a Principal by John Hancock Funds, Inc., and a Principal by Microsoft Corp. He received his undergraduate degree from Washington & Lee University and an MBA from Babson College.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
TENABLE HOLDINGS, INC. 0.46%	2026-05-12	502,667 ( 0.46% )	19 M $	2026-06-29
NORFOLK SOUTHERN CORPORATION 0%	2026-06-29	3,466 ( 0% )	1 M $	2026-06-29

John Huffard active positions

Companies	Position	Start
TENABLE HOLDINGS, INC.	Founder	2001-12-31
NORFOLK SOUTHERN CORPORATION	Director/Board Member	2020-02-20
National Security Telecommunications Advisory Committee National Security Telecommunications Advisory Committee General GovernmentGovernment A government committee	Corporate Officer/Principal	-
Watchtower LLC Watchtower LLC Internet Software/ServicesTechnology Services Operates as a platform that provides security services for SME's	Director/Board Member	-

All active positions of John Huffard

Former positions of John Huffard

Companies	Position	End
Tenable Network Security, Inc. Tenable Network Security, Inc. Miscellaneous Commercial ServicesCommercial Services Develops unified security monitoring solutions for securing enterprise networks	Founder	2017-12-31
Enterasys Networks, Inc. Enterasys Networks, Inc. Packaged SoftwareTechnology Services Provides wired and wireless network infrastructure and security solutions	Corporate Officer/Principal	2002-02-28
HarbourVest Partners LLC HarbourVest Partners LLC Investment ManagersFinance HarbourVest invests in companies located across the globe. The firm focuses on a broad range of sectors and industries. It provides financing for buyouts and growth equity capital transactions. It also makes co-investments.	Corporate Officer/Principal	-
Host Marriott Corp. /Old/ Host Marriott Corp. /Old/ Hotels/Resorts/Cruise linesConsumer Services Owns and operates full service hotels	Corporate Officer/Principal	-
John Hancock Funds, Inc. John Hancock Funds, Inc. Investment Banks/BrokersFinance Provides investment services	Corporate Officer/Principal	-

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Training of John Huffard

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Linked companies

Private companies	12
Enterasys Networks, Inc. Enterasys Networks, Inc. Packaged SoftwareTechnology Services Provides wired and wireless network infrastructure and security solutions	Technology Services
Host Marriott Corp. /Old/ Host Marriott Corp. /Old/ Hotels/Resorts/Cruise linesConsumer Services Owns and operates full service hotels	Consumer Services
Microsoft Corp. Microsoft Corp. Packaged SoftwareTechnology Services Develops, manufactures and distributes software products	Technology Services
Norfolk Southern Corp. Norfolk Southern Corp. RailroadsTransportation Owns and operates intermodal network & freight railroad	Transportation
HarbourVest Partners LLC HarbourVest Partners LLC Investment ManagersFinance HarbourVest invests in companies located across the globe. The firm focuses on a broad range of sectors and industries. It provides financing for buyouts and growth equity capital transactions. It also makes co-investments.	Finance
Tenable Network Security, Inc. Tenable Network Security, Inc. Miscellaneous Commercial ServicesCommercial Services Develops unified security monitoring solutions for securing enterprise networks	Commercial Services
John Hancock Funds, Inc. John Hancock Funds, Inc. Investment Banks/BrokersFinance Provides investment services	Finance
Babson College Babson College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Washington & Lee University Washington & Lee University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
National Security Telecommunications Advisory Committee National Security Telecommunications Advisory Committee General GovernmentGovernment A government committee	Government
Tenable Holdings, Inc. Tenable Holdings, Inc. Packaged SoftwareTechnology Services Develops security software solutions	Technology Services
Watchtower LLC Watchtower LLC Internet Software/ServicesTechnology Services Operates as a platform that provides security services for SME's	Technology Services