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Guillaume Costanza

Chief Technology Officer at Greenkub

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Saint-Laurent-le-Minier, Languedoc-Roussillon, France
greenkub.fr

Company Details

Company: Greenkub
Industry: real estate
Employees: 59
Funding: 453333
HQ Location: Castries, Languedoc-Roussillon-Midi-Pyrenees, France
Company LinkedIn: Pro only

Technology Stack

Amazon SES SendInBlue Gmail Outlook Google Apps CloudFlare Hosting Taboola Newsroom Typeform React Redux Google Font API Bing Ads Hubspot Google Tag Manager Facebook Custom Audiences YouTube Google AdWords Conversion WordPress.org DoubleClick Conversion OVH Google Dynamic Remarketing

Professional Summary

Guillaume Costanza is Chief Technology Officer at Greenkub. Greenkub operates in the real estate industry and has 59 employees. Based in Saint-Laurent-le-Minier, Languedoc-Roussillon, France. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Amazon SES, SendInBlue, Gmail, Outlook, Google Apps, and 23 other technologies. Greenkub has raised 453333 in total funding.

C-Suite level · CTO
Verified Apr 21, 2026

Position in the CTO Rank Database

  • • Typical CTO compensation in Languedoc-Roussillon: $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 Guillaume Costanza?

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

What company does Guillaume Costanza work for?

Guillaume Costanza is Chief Technology Officer at Greenkub, a company in the real estate industry with 59 employees. The company is headquartered in Castries, Languedoc-Roussillon-Midi-Pyrenees, France.

What is Guillaume Costanza's role in technology leadership?

Guillaume Costanza is classified as a CTO leader at the c-suite level.

What technologies does Guillaume Costanza's organization use?

Guillaume Costanza's organization uses a technology stack that includes Amazon SES, SendInBlue, Gmail, Outlook, Google Apps, CloudFlare Hosting. This information is useful for sales teams, recruiters, and technology vendors.

Is Guillaume Costanza open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Guillaume Costanza using the verified contact information available to Pro members. When recruiting a Chief Technology Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Guillaume Costanza at Greenkub?

Guillaume Costanza is Chief Technology Officer at Greenkub. CTOs like Guillaume Costanza typically evaluate vendors in Amazon SES, SendInBlue, Gmail, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Guillaume Costanza's profile data?

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