Fundraising Fox

Marty Roesch

Investor

Founder Advisor at Decibel Partners

Annapolis

About

Marty Roesch is a Founder Advisor at Decibel. He founded Sourcefire, where he served as CEO/CTO until its acquisition by Cisco, after which he led the Security Business Group as chief architect. He is the original author and lead developer of the Snort Intrusion Detection and Prevention System and holds a B.S. in Electrical and Computer Engineering from Clarkson University.

LinkedIn ↗X / Twitter ↗

Invests in

Cybersecurity

Experience

  1. Vectra AIHead of Cloudcurrent2025 — present
  2. Snort - open source projectOriginal Authorcurrent1998 — present
  3. NetographyCEO2021 — 2025Annapolis, Maryland, United States
  4. ThreatQuotientBoard Member2016 — 2025Reston, Virginia
  5. SynSaberMember Board of Directors2023
  6. OortMember Board of Directors2022 — 2023
  7. Decibel PartnersFounder Advisor2019 — 2022Palo Alto, CA
  8. CiscoChief Architect, Security Business Group2013 — 2019Columbia, Maryland
  9. Sourcefire, part of CiscoCEO, CTO & Founder2001 — 2019Columbia, Maryland
  10. DATUM LLCBoard Member2014 — 2018Annapolis, Maryland
  11. The Honeynet ProjectDirector2000 — 2007
  12. SANS InstituteInstructor1999 — 2002
  13. HiverworldSoftware Engineer/IDS Architect1999 — 2000
  14. GTE InternetworkingNetwork Security Engineer1997 — 1999
  15. Stanford TelecomSystems Engineer1996 — 1997

Education

  1. Clarkson UniversityBS, Electrical and Computer Engineering1988 — 1993

Skills & more

Board Operation2Intrusion Detection99Network Security99Computer Forensics99Software Engineering48Start-ups62Raising Venture Capital9Penetration Testing99Application Security77Security99IDS94Firewalls99
+12 moreCloud ComputingProduct ManagementCyber SecuritySoftware DevelopmentTCP/IPMalware AnalysisVirtualizationEthical HackingIPSCommon CriteriaComputer SecurityPython

From Marty's professional profile.

Same school

Also attended Clarkson University16

Amy VilleneuveBoard Director, Advisor & Past COO and President of Amazon Robotics at Underscore VCBrad GillespieManaging Partner at IA VenturesRon GulaPresident at Gula Tech AdventuresShyam KamadolliManaging Director at Fine Structures VenturesCharles TangoVenture Partner at Bloccelerate VCDev AshishCIO, Clearchoice Dental at Good AI Capital

+ 10 more

Shared employers

Also worked at Vectra AI10

Bruce ArmstrongInvestor at Khosla VenturesTim McAdamGeneral Partner, Senior Advisor at TCVKen ElefantPartner at Sorenson VenturesPreeti RathiGeneral Partner at Icon VenturesKevin DillonManaging Partner at Atlantic Bridge VenturesBrad GillespieManaging Partner at IA Ventures

+ 4 more

Also worked at SynSaber1

Patrick HeimManaging Partner at Syn Ventures Seed Management Llc

Also worked at Decibel Partners12

Arjun HegdeAssociate at Moneta VenturesJon SakodaFounder at Decibel PartnersDan Nguyen-HuuPartner at Decibel PartnersAlessio FanelliPartner at Decibel PartnersStacey WuesteBusiness Development Partner at Decibel PartnersStacey ErnestVP Finance at Decibel Partners

+ 6 more

Also worked at Cisco249

Cyan BanisterCo-founder & General Partner at Long Journey VenturesMike VolpiInvestor at Index VenturesAdamAdvisor at Clear VenturesHowardAdvisor at Clear VenturesWendy XiaoPartner at NorthzoneClay RobbinsForward Deployed Partner at Slow Ventures

+ 243 more

Investments

Board seats

ThreatQuotient, Inc

Per the firm's website.

Colleagues at Decibel Partners

Alessio Fanelli
Partner at Decibel Partners
Amy Chang
Founder, Accompany at Decibel Partners
Andrew Peterson
Founder, Signal Sciences at Decibel Partners
Bhaskar Sunkara
Founder, AppDynamics at Decibel Partners
Dan Nguyen-Huu
Partner at Decibel Partners
Dug Song
Founder, Duo Security at Decibel Partners
François Dufour
Founder Advisor at Decibel Partners
Jess Leão
Partner at Decibel Partners