Chief Technology Officer
Current
Nov 2017 - Present
AeroLeads people directory · profile
Gary D. Email & Phone Number
Chief Technology Officer
at
Castalia Systems
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Role
Chief Technology Officer
Location
Greater Tampa Bay Area, United States
Company size
Who is Gary D.? Overview
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Quick answer
Gary D. is listed as Chief Technology Officer at Castalia Systems, a with 88 employees, based in Greater Tampa Bay Area, United States. AeroLeads shows a matched LinkedIn profile for Gary D..
Gary D. previously worked as Engineering Duty Officer at U.S. Navy Reserve and Cryptologic Warfare Officer at U.S. Navy Reserve. Gary D. holds Doctor Of Philosophy (Ph.D.), Information Systems And Information Security from Nova Southeastern University.
Company email context
Email format at Castalia Systems
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Castalia Systems
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Profile bio
About Gary D.
Gary D. is a Chief Technology Officer at Castalia Systems. Colleagues describe him as "Highly recommend. Gary is top-notch in the cyber security industry. He is a great Program Leader rather than just a “program manager”. I enjoyed working for him very much. His intelligence, humor, and professionalism make working on hard projects worth the effort and endurance. Trustworthy and balanced judgment on tough issues requiring keen insight." and "I met Gary through IT C&A training classes at the Special Aerospace Security Services facility. Gary showed vast and detailed IT knowledge and experience. I was impressed enough I asked him to consider becoming an instructor. I highly recommend him and I look forward to working with him again."
Current workplace
Gary D.'s current company
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Castalia Systems
10 roles
Gary D. work experience
A career timeline built from the work history available for this profile.
Engineering Duty Officer
Current
Nov 2018 - Present
Cryptologic Warfare Officer
Oct 2013 - Nov 2018
Senior Program Manager
Aug 2016 - Nov 2017
Staff
Us Government
Jul 2015 - Aug 2016
Portfolio Manager
Dec 2003 - Jul 2015
Army
Feb 1998 - Sep 2003
Research And Development (R&D) Solutions Engineer
Nov 2001 - May 2003
Software Engineer - Robotics
Dec 2000 - Mar 2001
Research And Development Engineer
Btg, Inc
May 1998 - Nov 2000
Team & coworkers
Colleagues at Castalia Systems
Other employees you can reach at castaliasystems.com. View company contacts for 88 employees →
IG
Imani Gudger
Colleague at Castalia SystemsNew Alexandria, Virginia, United States
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AB
Austin Bostick
Colleague at Castalia SystemsRichmond County, Georgia, United States
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KS
Keith Seitz
Colleague at Castalia SystemsFredericksburg, Virginia, United States
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MH
Maria Haynes
Colleague at Castalia SystemsSan Antonio, Texas Metropolitan Area, United States
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CM
Colleen Mcquillan
Colleague at Castalia SystemsFairfax County, Virginia, United States
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NS
Nailo Sears
Colleague at Castalia SystemsWoodbridge, Virginia, United States
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RG
Ron Grundy
Colleague at Castalia SystemsHawaii, United States
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SW
Sam Waling, Pmp
Colleague at Castalia SystemsReston, Virginia, United States
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MR
Makardhwaj Raut
Colleague at Castalia SystemsBhubaneswar, Odisha, India
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GW
Gus Ward
Colleague at Castalia SystemsAlexandria, Virginia, United States
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Imani Gudger
Colleague at Castalia SystemsNew Alexandria, Virginia, United States
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AB
Austin Bostick
Colleague at Castalia SystemsRichmond County, Georgia, United States
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KS
Keith Seitz
Colleague at Castalia SystemsFredericksburg, Virginia, United States
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MH
Maria Haynes
Colleague at Castalia SystemsSan Antonio, Texas Metropolitan Area, United States
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CM
Colleen Mcquillan
Colleague at Castalia SystemsFairfax County, Virginia, United States
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NS
Nailo Sears
Colleague at Castalia SystemsWoodbridge, Virginia, United States
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RG
Ron Grundy
Colleague at Castalia SystemsHawaii, United States
View →
SW
Sam Waling, Pmp
Colleague at Castalia SystemsReston, Virginia, United States
View →
MR
Makardhwaj Raut
Colleague at Castalia SystemsBhubaneswar, Odisha, India
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GW
Gus Ward
Colleague at Castalia SystemsAlexandria, Virginia, United States
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4 education records
Gary D. education
Doctor Of Philosophy (Ph.D.), Information Systems And Information Security
Master Of Business Administration (Mba)
Master'S Degree, Computer Science And Information Security
Bachelor'S Degree, Computer Science
FAQ
Frequently asked questions about Gary D.
Quick answers generated from the profile data available on this page.
What company does Gary D. work for?
Gary D. works for Castalia Systems.
What is Gary D.'s role at Castalia Systems?
Gary D. is listed as Chief Technology Officer at Castalia Systems.
Where is Gary D. based?
Gary D. is based in Greater Tampa Bay Area, United States while working with Castalia Systems.
What companies has Gary D. worked for?
Gary D. has worked for Castalia Systems, U.S. Navy Reserve, Raytheon, Us Government, and Caci International Inc.
Who are Gary D.'s colleagues at Castalia Systems?
Gary D.'s colleagues at Castalia Systems include Imani Gudger, Austin Bostick, Keith Seitz, Maria Haynes, and Colleen Mcquillan.
How can I contact Gary D.?
You can use AeroLeads to view verified contact signals for Gary D. at Castalia Systems, including work email, phone, and LinkedIn data when available.
What schools did Gary D. attend?
Gary D. holds Doctor Of Philosophy (Ph.D.), Information Systems And Information Security from Nova Southeastern University.
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