John Callahan
Chief Technology Officer at Veridium | New York, New York, United States
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Senior Computer Scientist at Johns Hopkins University Applied Physics Laboratory in January 2006 to Present
Chief Technology Officer at Veridium in June 2016 to Present
Associate Director at Office of Naval Research in July 2010 to June 2014
Vice President for Research & Development at BDMetrics in November 2003 to January 2006
Chief Technology Officer at Sphere Software Corporation in December 1999 to November 2003
Associate Professor (tenured) at West Virginia University in August 1992 to May 2001
Research Director at NASA IV&V Facility in April 1994 to December 1999
Programmer/Analyst/Consultant at Xerox Corporation in September 1985 to August 1992
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Software Engineering
Program Management
Integration
Software Development
Systems Engineering
Security Clearance
System Architecture
Algorithms
DoD
Simulations
Python
Matlab
Unix
Data Mining
Java
C#
C
Big Data
System Design
Computer Science
Information Assurance
Machine Learning
Hadoop
Requirements Analysis
SQL
Research
Teaching
SOA
High Performance Computing
Programming
Software Design
C++
Analysis
Distributed Systems
Enterprise Architecture
Databases
Agile Methodologies
Requirements Management
XML
Government
Perl
U.S. Department of Defense
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Discover more about VeridiumWhat is John Callahan email address?
Email John Callahan at [email protected]. This email is the most updated John Callahan email found in 2026.
What is John Callahan phone number?
John Callahan phone number is +14156848067 and +14107720564.
How to contact John Callahan?
To contact John Callahan send an email to [email protected]. If you want to call John Callahan try calling on +14156848067 and +14107720564. (updated on May 12, 2024)
What company does John Callahan work for?
John Callahan works for Veridium
What is John Callahan's role at Veridium?
John Callahan is Chief Technology Officer
What industry does John Callahan work in?
John Callahan works in the Software Development industry.
John Callahan Email Addresses
John Callahan Phone Numbers
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