John Callahan Email & Phone Number
Chief Technology Officer @ Veridium
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John Callahan Location
- New York, NY, US
John Callahan Work
- 2016 -now Chief Technology Officer @
- 2005 -now Senior Computer Scientist @
- 2010 -2014 Associate Director @
- 2003 -2005 Vice President for Research and Development @
- 1999 -2003 Chief Technology Officer @ Sphere Software Corporation
- 1992 -2001 Associate Professor @
- 1994 -1999 Research Director @
- 1985 -1992 Programmer and Analyst and Consultant @
John Callahan Education
- University Of Maryland - College Park
Doctor of Philosophy (Computer Science)
1988-1993
John Callahan Skills
- 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
John Callahan Summary
- John Callahan, based in New York, NY, US, is currently a Chief Technology Officer at Veridium. John Callahan brings experience from previous roles at Johns Hopkins University Applied Physics Laboratory, Office of Naval Research, BDMetrics and Sphere Software Corporation. John Callahan holds a 1988 - 1993 Doctor of Philosophy in Computer Science @ University Of Maryland - College Park. With a robust skill set that includes Software Engineering, Program Management, Integration, Software Development, Systems Engineering and more. John Callahan has 3 emails and 3 mobile phone numbers on RocketReach.
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