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John Hanrahan

CTO at Glantreo

CTO C-Suite
j***@glantreo.com Sign up
Pro only
Pro only
Ireland
glantreo.com

Company Details

Company: Glantreo
Industry: chemicals
Employees: 6
HQ Location: Cork, County Cork, Ireland
Company LinkedIn: Pro only

Technology Stack

Hubspot Nginx Vimeo Google Tag Manager Google Dynamic Remarketing reCAPTCHA DoubleClick WordPress.org Woo Commerce Google Analytics Mobile Friendly DoubleClick Conversion Google Font API Android Node.js AI

Professional Summary

John Hanrahan is CTO at Glantreo. Glantreo operates in the chemicals industry and has 6 employees. Based in Ireland. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Hubspot, Nginx, Vimeo, Google Tag Manager, Google Dynamic Remarketing, and 11 other technologies.

C-Suite level · CTO
Verified Apr 23, 2026

Position in the CTO Rank Database

  • • 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 Hanrahan?

John Hanrahan has a verified email address on file on CTO Rank. They work at Glantreo. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does John Hanrahan work for?

John Hanrahan is CTO at Glantreo, a company in the chemicals industry with 6 employees. The company is headquartered in Cork, County Cork, Ireland.

What is John Hanrahan's role in technology leadership?

John Hanrahan is classified as a CTO leader at the c-suite level.

What technologies does John Hanrahan's organization use?

John Hanrahan's organization uses a technology stack that includes Hubspot, Nginx, Vimeo, Google Tag Manager, Google Dynamic Remarketing, reCAPTCHA. This information is useful for sales teams, recruiters, and technology vendors.

Is John Hanrahan 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 Hanrahan using the verified contact information available to Pro members. When recruiting a CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to John Hanrahan at Glantreo?

John Hanrahan is CTO at Glantreo. CTOs like John Hanrahan typically evaluate vendors in Hubspot, Nginx, Vimeo, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is John Hanrahan's profile data?

CTO Rank verifies and refreshes profile data weekly. John Hanrahan's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.