Mark Callaghan Email & Phone Number
Chief Technology Officer
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Mark Callaghan Location
- United States
Mark Callaghan Work
- Chief Technology Officer @ Small Datum LLC (September 2020 - Present)
- Member Of Technical Staff @ ProUnlimited (October 2021 - January 2024)
- Software Engineer @ (January 2021 - July 2021)
- Distinguished Engineer @ (December 2019 - September 2020)
- Tech lead for MySQL engineering @ (January 2009 - January 2019)
- Tech lead for MySQL engineering @ (January 2005 - January 2009)
- Software Engineer @ Identity Engines (January 2005 - January 2005)
- Member of Technical Staff @ (January 1997 - January 2005)
- Software Engineer @ Informix (January 1996 - January 1997)
Mark Callaghan Education
- University of Wisconsin-Madison
MS (Computer Science)
1993-1996 - San Diego State University-California State University
BS (Computer Science)
1990-1992 - Rutgers, The State University of New Jersey-New Brunswick
(Computer Science)
1986-1988
Mark Callaghan Skills
- Python
- MySQL
- SQL
- Scalability
- Distributed Systems
- Multithreading
- Performance Tuning
- C++
- C
- Unix
- Databases
- Ruby
- Git
- Linux
- Software Engineering
- Cloud Computing
- Perl
- Shell Scripting
- Bash
- Java
- Software Development
- Computer Science
- Adventure Travel
- Flower Arrangements
- Awesomeness
- Goats
- Vertical Marketing
Mark Callaghan Summary
- Mark Callaghan, based in United States, is currently a Chief Technology Officer at Small Datum LLC. Mark Callaghan brings experience from previous roles at ProUnlimited, Rockset, MongoDB and Facebook. Mark Callaghan holds a 1993 - 1996 MS in Computer Science @ University of Wisconsin-Madison. With a robust skill set that includes Python, MySQL, SQL, Scalability, Distributed Systems and more. Mark Callaghan has 3 emails and 1 mobile phone numbers on RocketReach.
Looking for a different Mark Callaghan?
Find contact details for 700 million professionals.
Others Named Mark Callaghan
Mark Callaghan
Chief Technology Officer
United States
Mark Callaghan
Independent Director
Auckland, NZ
Mark Callaghan
President
San Jose, CA, US
Mark Callaghan
Director of Operations
Washington, DC, US
Mark Callaghan
Managing Director
Sydney, NSW, AU
Mark Callaghan
Site Manager
England, United Kingdom
Mark Callaghan
Managing Director
United Kingdom
Mark Callaghan
President
California, United States
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co