Company Details
Technology Stack
Professional Summary
John O'Callaghan is Chief Technical Officer at University College Cork. University College Cork operates in the higher education industry and has 3500 employees. Based in Ireland. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Outlook, Microsoft Azure Hosting, Microsoft Application Insights, OneTrust, GitLab, and 26 other technologies. University College Cork reports annual revenue of 590000000.
Industry & Role Insights
- • CTO Rank tracks 138,833 CTO leaders with verified contact information.
- • There are 4,989 tech leaders in the higher education industry in our database.
- • We have verified contacts for 13 tech leaders at University College Cork.
Position in the CTO Rank Database
- • John O'Callaghan is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
- • 814 hold the CTO role at higher education companies (out of 5,022 total higher education leaders in our database).
- • 95 hold the CTO role at companies with 3500 employees.
- • Typical CTO compensation: $250,000 – $650,000 (median $420,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.
Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.
Frequently Asked Questions
How do I contact John O'Callaghan?
John O'Callaghan has a verified email address on file on CTO Rank. They work at University College Cork. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does John O'Callaghan work for?
John O'Callaghan is Chief Technical Officer at University College Cork, a company in the higher education industry with 3500 employees. The company is headquartered in Cork, County Cork, Ireland.
What is John O'Callaghan's role in technology leadership?
John O'Callaghan is classified as a CTO leader at the c-suite level.
What technologies does John O'Callaghan's organization use?
John O'Callaghan's organization uses a technology stack that includes Outlook, Microsoft Azure Hosting, Microsoft Application Insights, OneTrust, GitLab, Python. This information is useful for sales teams, recruiters, and technology vendors.
Is John O'Callaghan open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to John O'Callaghan using the verified contact information available to Pro members. When recruiting a Chief Technical Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to John O'Callaghan at University College Cork?
John O'Callaghan is Chief Technical Officer at University College Cork. CTOs like John O'Callaghan typically evaluate vendors in Outlook, Microsoft Azure Hosting, Microsoft Application Insights, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is John O'Callaghan's profile data?
CTO Rank verifies and refreshes profile data weekly. John O'Callaghan's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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